New DealsOffersContact UsHelpTrack Ordersen español
Home
Login
Register
My Account
0
0 Items$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      ANALOG DEVICES
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      KEYSIGHT TECHNOLOGIES
      OMEGA
      NI-EMERSON
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View all manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn more
      • Resources
      • Services
        • Custom Components
        • Purchase & Procurement Support
        • Stock management
        • Design
        • Education
        • Packaging Solutions
        • Custom Orders
        View All Services
        Technical Resources
        • DevKit HQ
        • eTechJournal
        • Artificial Intelligence
        • Internet of Things
        • Security & Surveillance
        • Healthcare
        • OEM Solutions
        • EV Charging
        • Transportation
        • Industrial Automation
        • Robotics
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Motor Control
        • Calculators & Charts
        • Engineering Glossary
        View All Tech Resources
        Help
        • Contact Us
        • New To Newark
        • Technical Support
        • Delivery Information
        • Tariff Updates & Resources
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchase & Procurement Support
              • Stock management
                • Design
                  • Education
                    • Packaging Solutions
                      • Custom Orders
                        • View All Services
                        • Technical Resources
                          • Back to Technical Resources
                          • DevKit HQ
                            • eTechJournal
                              • Artificial Intelligence
                                • Internet of Things
                                  • Security & Surveillance
                                    • Healthcare
                                      • OEM Solutions
                                        • EV Charging
                                          • Transportation
                                            • Industrial Automation
                                              • Robotics
                                                • Maintenance & Safety
                                                  • Wireless Technology
                                                    • Sensor Technology
                                                      • Power Management
                                                        • Motor Control
                                                          • Calculators & Charts
                                                            • Engineering Glossary
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To Newark
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Tariff Updates & Resources
                                                                          • Legislation and Environmental
                                                                            • FAQ's
                                                                              • Feedback
                                                                                • View All Help
                                                                              • Communities
                                                                              • element14
                                                                                Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                                hacksterio
                                                                                Hackster is a community dedicated to learning hardware.
                                                                                • Back to Communities
                                                                                • element14
                                                                                  • Hackster.io
                                                                                  • Bill of Materials (BOM) Upload
                                                                                    • Tools
                                                                                    • Quick Buy
                                                                                      BOM Upload
                                                                                      Request a Quote
                                                                                      All Buying Tools
                                                                                      • Back to Tools
                                                                                      • Quick Buy
                                                                                        • BOM Upload
                                                                                          • Request a Quote
                                                                                            • All Buying Tools
                                                                                            • Offers
                                                                                              • Contact Us
                                                                                                • Help
                                                                                                  • New Deals
                                                                                                    1. Home
                                                                                                    2. RF & Wireless
                                                                                                    3. RF & Wireless ICs
                                                                                                    4. RF Receivers Transmitters & Transceivers
                                                                                                    5. 1.8V RF Receivers Transmitters & Transceivers

                                                                                                    1.8V RF Receivers Transmitters & Transceivers:

                                                                                                    80 Products Found
                                                                                                    Find a huge range of 1.8V RF Receivers Transmitters & Transceivers at Newark Electronics. We stock a wide range of RF Receivers Transmitters & Transceivers, such as 1.8V, 1.7V, 3V & 1.14V RF Receivers Transmitters & Transceivers from the worlds top manufacturers including: Silicon Labs, Microchip, Semtech, Analog Devices & Nordic Semiconductor
                                                                                                    View
                                                                                                    Buyer
                                                                                                    Engineer
                                                                                                    Manufacturer
                                                                                                    RF Primary Function
                                                                                                    Frequency Min
                                                                                                    Frequency Max
                                                                                                    Supply Voltage Min
                                                                                                    RF / IF Modulation
                                                                                                    Data Rate
                                                                                                    Supply Voltage Max
                                                                                                    Data Bus Width
                                                                                                    IC Case / Package
                                                                                                    Receiving Current
                                                                                                    No. of Pins
                                                                                                    RF IC Case Style
                                                                                                    Transmitting Current
                                                                                                    Frequency Response RF Min
                                                                                                    Frequency Response RF Max
                                                                                                    RF Receiver Applications
                                                                                                    Operating Temperature Min
                                                                                                    MCU Case Style
                                                                                                    Output Power (dBm)
                                                                                                    Operating Temperature Max
                                                                                                    Sensitivity dBm
                                                                                                    RF Transmitter Applications
                                                                                                    Product Range
                                                                                                    Embedded Interface Type
                                                                                                    MCU Applications
                                                                                                    RF Transceiver Applications
                                                                                                    Packaging
                                                                                                    Filter(s) Applied
                                                                                                    info icon

                                                                                                    Price shown includes applicable duties and tariffs
                                                                                                    1 Filter(s) Selected
                                                                                                    ComparePrice forQuantity
                                                                                                    SX1276IMLTRT
                                                                                                    SEMTECH SX1276IMLTRT
                                                                                                    29X4339

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    SEMTECH
                                                                                                    1. RF Transceiver
                                                                                                    2. 137MHz to 1.02GHz
                                                                                                    3. (G)FSK
                                                                                                    4. GMSK
                                                                                                    5. MSK
                                                                                                    6. OOK
                                                                                                    7. 20dBm Out/148dBm In
                                                                                                    8. 1.8V to 3.7V
                                                                                                    9. QFN-28
                                                                                                    Each
                                                                                                    1+
                                                                                                    $9.660
                                                                                                    10+
                                                                                                    $8.380
                                                                                                    25+
                                                                                                    $7.940
                                                                                                    50+
                                                                                                    $7.640
                                                                                                    100+
                                                                                                    $7.330
                                                                                                    More Pricing...
                                                                                                    -
                                                                                                    Transceiver
                                                                                                    137MHz
                                                                                                    1.02GHz
                                                                                                    1.8V
                                                                                                    FSK, GFSK, GMSK, MSK, OOK
                                                                                                    -
                                                                                                    3.7V
                                                                                                    -
                                                                                                    QFN
                                                                                                    12mA
                                                                                                    28Pins
                                                                                                    QFN
                                                                                                    120mA
                                                                                                    -
                                                                                                    137MHz
                                                                                                    -
                                                                                                    1.02GHz
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    20dBm
                                                                                                    85°C
                                                                                                    -148dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Automated Meter Reading, Industrial Monitoring & Control, Home & Building Automation
                                                                                                    S2-LPQTR
                                                                                                    STMICROELECTRONICS S2-LPQTR
                                                                                                    22AC8569

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    STMICROELECTRONICS
                                                                                                    1. RF Transceiver
                                                                                                    2. 860MHz to 940MHz
                                                                                                    3. 2- 4(G)FSK
                                                                                                    4. 500Kbps
                                                                                                    5. 16dBm Out/-130dBm In
                                                                                                    6. 1.8V to 3.6V
                                                                                                    7. QFN-24
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $3.160
                                                                                                    10+
                                                                                                    $2.370
                                                                                                    25+
                                                                                                    $2.170
                                                                                                    50+
                                                                                                    $2.060
                                                                                                    100+
                                                                                                    $1.960
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    Transceiver
                                                                                                    860MHz
                                                                                                    940MHz
                                                                                                    1.8V
                                                                                                    ASK, 2FSK, 2GFSK, 4FSK, 4GFSK, OOK
                                                                                                    500Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN
                                                                                                    8mA
                                                                                                    24Pins
                                                                                                    QFN
                                                                                                    27mA
                                                                                                    860MHz
                                                                                                    860MHz
                                                                                                    940MHz
                                                                                                    940MHz
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    16dBm
                                                                                                    85°C
                                                                                                    -130dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Sensors to Cloud, Smart Metering, Home Energy Management Systems, Wireless Alarm Systems
                                                                                                    SX1261IMLTRT
                                                                                                    SEMTECH SX1261IMLTRT
                                                                                                    23AH8947

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SEMTECH
                                                                                                    1. RF Transceiver
                                                                                                    2. 150 MHz to 960 MHz
                                                                                                    3. (G)FSK
                                                                                                    4. 300 Kbps
                                                                                                    5. 15 dBm Out/-148 dBm In
                                                                                                    6. 1.8V to 3.7V
                                                                                                    7. QFN-24
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $7.460
                                                                                                    25+
                                                                                                    $6.120
                                                                                                    50+
                                                                                                    $5.880
                                                                                                    100+
                                                                                                    $5.640
                                                                                                    250+
                                                                                                    $5.370
                                                                                                    More Pricing...
                                                                                                    -
                                                                                                    Transceiver
                                                                                                    150MHz
                                                                                                    960MHz
                                                                                                    1.8V
                                                                                                    FSK, GFSK
                                                                                                    300Kbps
                                                                                                    3.7V
                                                                                                    -
                                                                                                    QFN
                                                                                                    10.1mA
                                                                                                    24Pins
                                                                                                    QFN
                                                                                                    60mA
                                                                                                    -
                                                                                                    150MHz
                                                                                                    -
                                                                                                    960MHz
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    15dBm
                                                                                                    85°C
                                                                                                    -148dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Internet of Things (IOT)
                                                                                                    CC2500RGPR
                                                                                                    TEXAS INSTRUMENTS CC2500RGPR
                                                                                                    33AH3772

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    TEXAS INSTRUMENTS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 2.4-2.4835GHZ
                                                                                                    3. VQFN-20
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $3.430
                                                                                                    10+
                                                                                                    $2.970
                                                                                                    25+
                                                                                                    $2.770
                                                                                                    50+
                                                                                                    $2.630
                                                                                                    100+
                                                                                                    $2.480
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    2.4GHz
                                                                                                    2.4835GHz
                                                                                                    1.8V
                                                                                                    2FSK, GFSK, MSK, OOK
                                                                                                    500Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    VQFN
                                                                                                    19.6mA
                                                                                                    20Pins
                                                                                                    VQFN
                                                                                                    21.5mA
                                                                                                    2.4GHz
                                                                                                    -
                                                                                                    2.4835GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    1dBm
                                                                                                    85°C
                                                                                                    -104dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Consumer Electronics, Wireless Game Controllers, Wireless Audio, Wireless Keyboard & Mouse
                                                                                                    SI4464-B1B-FM
                                                                                                    SILICON LABS SI4464-B1B-FM
                                                                                                    49X9788

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 119MHZ-1.05GHZ
                                                                                                    3. QFN-20
                                                                                                    Each
                                                                                                    1+
                                                                                                    $9.090
                                                                                                    10+
                                                                                                    $7.890
                                                                                                    25+
                                                                                                    $7.480
                                                                                                    50+
                                                                                                    $7.190
                                                                                                    100+
                                                                                                    $6.900
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    119MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4FSK, 4GFSK, FSK, GFSK, MSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN
                                                                                                    13.6mA
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    85mA
                                                                                                    119MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    20dBm
                                                                                                    85°C
                                                                                                    -97dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Automatic Meter Reading, Wireless Sensor Networks, Home and Building Automation
                                                                                                    SI4461-C2A-GMR
                                                                                                    SILICON LABS SI4461-C2A-GMR
                                                                                                    66AH6977

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 1.05GHZ
                                                                                                    3. -40 TO 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $5.940
                                                                                                    10+
                                                                                                    $5.190
                                                                                                    25+
                                                                                                    $5.000
                                                                                                    50+
                                                                                                    $4.840
                                                                                                    100+
                                                                                                    $4.690
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4GFSK, GFSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    QFN
                                                                                                    13.7mA
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    43mA
                                                                                                    142MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    16dBm
                                                                                                    85°C
                                                                                                    -129dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Electronic Shelf Labels, Health Monitors, Home Automation, Remote Keyless Entry, Smart Metering
                                                                                                    SI4464-B1B-FMR
                                                                                                    SILICON LABS SI4464-B1B-FMR
                                                                                                    66AH6980

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TXRX
                                                                                                    2. 119MHZ-1.05GHZ
                                                                                                    3. -40 TO 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $9.090
                                                                                                    10+
                                                                                                    $7.890
                                                                                                    25+
                                                                                                    $7.470
                                                                                                    50+
                                                                                                    $7.180
                                                                                                    100+
                                                                                                    $6.900
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    119MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4FSK, 4GFSK, FSK, GFSK, MSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN-EP
                                                                                                    13.6mA
                                                                                                    20Pins
                                                                                                    QFN-EP
                                                                                                    85mA
                                                                                                    119MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    20dBm
                                                                                                    85°C
                                                                                                    -97dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Automatic Meter Reading, Wireless Sensor Networks, Home and Building Automation
                                                                                                    MICRF112YMM
                                                                                                    MICROCHIP MICRF112YMM
                                                                                                    10AC8096

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    MICROCHIP
                                                                                                    1. TRANSMITTER
                                                                                                    2. ASK/FSK
                                                                                                    3. UHF
                                                                                                    4. MSOP10
                                                                                                    Each
                                                                                                    1+
                                                                                                    $0.556
                                                                                                    10+
                                                                                                    $0.546
                                                                                                    25+
                                                                                                    $0.536
                                                                                                    50+
                                                                                                    $0.525
                                                                                                    100+
                                                                                                    $0.515
                                                                                                    Transmitter
                                                                                                    -
                                                                                                    300MHz
                                                                                                    450MHz
                                                                                                    1.8V
                                                                                                    ASK, FSK
                                                                                                    50Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    MSOP
                                                                                                    -
                                                                                                    10Pins
                                                                                                    MSOP
                                                                                                    12.5mA
                                                                                                    300MHz
                                                                                                    -
                                                                                                    450MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    10dBm
                                                                                                    125°C
                                                                                                    -
                                                                                                    Remote Keyless Entry Systems (RKE), Tire Pressure Monitoring Systems (TPMS)
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SI4463-C2A-GMR
                                                                                                    SILICON LABS SI4463-C2A-GMR
                                                                                                    66AH6979

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 1.05GHZ
                                                                                                    3. -40 TO 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $7.730
                                                                                                    10+
                                                                                                    $6.710
                                                                                                    25+
                                                                                                    $6.340
                                                                                                    50+
                                                                                                    $6.110
                                                                                                    100+
                                                                                                    $5.860
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4GFSK, GFSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    QFN
                                                                                                    13.7mA
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    88mA
                                                                                                    142MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    20dBm
                                                                                                    85°C
                                                                                                    -129dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Electronic Shelf Labels, Health Monitors, Home Automation, Remote Keyless Entry, Smart Metering
                                                                                                    SI4468-A2A-IM
                                                                                                    SILICON LABS SI4468-A2A-IM
                                                                                                    40Y2580

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 0.142-1.05GHZ
                                                                                                    3. HQFN-20
                                                                                                    Each
                                                                                                    1+
                                                                                                    $7.900
                                                                                                    10+
                                                                                                    $6.980
                                                                                                    25+
                                                                                                    $6.650
                                                                                                    50+
                                                                                                    $6.430
                                                                                                    100+
                                                                                                    $6.210
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4FSK, 4GFSK, FSK, GFSK, MSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    HQFN
                                                                                                    13mA
                                                                                                    20Pins
                                                                                                    HQFN
                                                                                                    -
                                                                                                    142MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    20dBm
                                                                                                    125°C
                                                                                                    -133dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    IEEE 802.11g & WMBus, Wireless Sensor Networks, Home Automation, Industrial Process Control
                                                                                                    SI4055-C2A-GM
                                                                                                    SILICON LABS SI4055-C2A-GM
                                                                                                    15AJ3215

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. EZRADIO TRANSMITTER
                                                                                                    2. -40 TO 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each
                                                                                                    1+
                                                                                                    $4.120
                                                                                                    10+
                                                                                                    $3.570
                                                                                                    25+
                                                                                                    $3.150
                                                                                                    50+
                                                                                                    $3.060
                                                                                                    100+
                                                                                                    $2.960
                                                                                                    More Pricing...
                                                                                                    Transmitter
                                                                                                    -
                                                                                                    284MHz
                                                                                                    960MHz
                                                                                                    1.8V
                                                                                                    FSK, GFSK, OOK
                                                                                                    500Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN-EP
                                                                                                    -
                                                                                                    20Pins
                                                                                                    QFN-EP
                                                                                                    24mA
                                                                                                    284MHz
                                                                                                    -
                                                                                                    960MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    13dBm
                                                                                                    85°C
                                                                                                    -116dBm
                                                                                                    Garage & Gate Openers, Home Automation, Home Security/Alarm, Industrial/Remote Control, Telemetry
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    CC2520RHDR
                                                                                                    TEXAS INSTRUMENTS CC2520RHDR
                                                                                                    26AJ5338

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    TEXAS INSTRUMENTS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 250KBPS/2.507GHZ
                                                                                                    3. VQFN28
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $6.740
                                                                                                    10+
                                                                                                    $5.830
                                                                                                    25+
                                                                                                    $5.520
                                                                                                    50+
                                                                                                    $5.300
                                                                                                    100+
                                                                                                    $5.090
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    2.394GHz
                                                                                                    2.507GHz
                                                                                                    1.8V
                                                                                                    DSSS
                                                                                                    250Kbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    VQFN
                                                                                                    24.8mA
                                                                                                    28Pins
                                                                                                    VQFN
                                                                                                    28.8mA
                                                                                                    2.394GHz
                                                                                                    -
                                                                                                    2.507GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    5dBm
                                                                                                    125°C
                                                                                                    -98dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    IEEE 802.15.4 Systems, ZigBee Systems, Industrial Monitoring and Control , Automatic Meter Reading
                                                                                                    SI4010-C2-GTR
                                                                                                    SILICON LABS SI4010-C2-GTR
                                                                                                    66AH6971

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. IF TRANSMITTER
                                                                                                    2. 100KBPS
                                                                                                    3. -40 TO 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $4.620
                                                                                                    10+
                                                                                                    $4.010
                                                                                                    25+
                                                                                                    $3.790
                                                                                                    50+
                                                                                                    $3.650
                                                                                                    100+
                                                                                                    $3.490
                                                                                                    More Pricing...
                                                                                                    Transmitter
                                                                                                    -
                                                                                                    27MHz
                                                                                                    960MHz
                                                                                                    1.8V
                                                                                                    FSK, OOK
                                                                                                    100Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    MSOP
                                                                                                    -
                                                                                                    10Pins
                                                                                                    MSOP
                                                                                                    19.8A
                                                                                                    27MHz
                                                                                                    -
                                                                                                    960MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    10dBm
                                                                                                    85°C
                                                                                                    -
                                                                                                    Garage & Gate Door Opener, Home Automation & Security, Remote Keyless Entry, Wireless Remote Control
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SI4060-C2A-GM
                                                                                                    SILICON LABS SI4060-C2A-GM
                                                                                                    03AH2974

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. LOW-CURRENT TRANSMITTER
                                                                                                    2. 1MBPS
                                                                                                    3. QFN-20
                                                                                                    Each
                                                                                                    1+
                                                                                                    $6.150
                                                                                                    10+
                                                                                                    $4.750
                                                                                                    25+
                                                                                                    $3.860
                                                                                                    50+
                                                                                                    $3.700
                                                                                                    100+
                                                                                                    $3.520
                                                                                                    More Pricing...
                                                                                                    Transmitter
                                                                                                    Transmitter
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4FSK, 4GFSK, FSK, GFSK, MSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    QFN
                                                                                                    -
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    24mA
                                                                                                    142MHz
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    13dBm
                                                                                                    85°C
                                                                                                    -
                                                                                                    Garage/Gate Openers, Home Security/Alarm, Health Monitors, Home Automation, Remote Keyless Entry
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SI4461-C2A-GM
                                                                                                    SILICON LABS SI4461-C2A-GM
                                                                                                    40Y2577

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 0.142-1.05GHZ
                                                                                                    3. HQFN-20
                                                                                                    Each
                                                                                                    1+
                                                                                                    $6.250
                                                                                                    10+
                                                                                                    $5.420
                                                                                                    25+
                                                                                                    $4.790
                                                                                                    50+
                                                                                                    $4.780
                                                                                                    100+
                                                                                                    $4.780
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    4FSK, 4GFSK, FSK, GFSK, MSK, GMSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    HQFN
                                                                                                    13mA
                                                                                                    20Pins
                                                                                                    HQFN
                                                                                                    43mA
                                                                                                    142MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    16dBm
                                                                                                    85°C
                                                                                                    -129dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    IEEE 802.11g & WMBus, Wireless Sensor Networks, Home Automation, Industrial Process Control
                                                                                                    NRF51822-QFAC-R7
                                                                                                    NORDIC SEMICONDUCTOR NRF51822-QFAC-R7
                                                                                                    50AC6440

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    NORDIC SEMICONDUCTOR
                                                                                                    1. RF Transceiver
                                                                                                    2. 2 Mbps
                                                                                                    3. 2.4 to 2.483 GHz
                                                                                                    4. 1.8 V to 3.6 V
                                                                                                    5. -85 dBm
                                                                                                    6. -25 to 75 °C
                                                                                                    7. QFN-48
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $6.100
                                                                                                    10+
                                                                                                    $5.280
                                                                                                    25+
                                                                                                    $5.000
                                                                                                    50+
                                                                                                    $4.800
                                                                                                    100+
                                                                                                    $4.600
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    Transceiver
                                                                                                    2.4GHz
                                                                                                    2.483GHz
                                                                                                    1.8V
                                                                                                    GFSK
                                                                                                    2Mbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN
                                                                                                    13.4mA
                                                                                                    48Pins
                                                                                                    QFN
                                                                                                    16mA
                                                                                                    2.4GHz
                                                                                                    2.4GHz
                                                                                                    2.483GHz
                                                                                                    2.483GHz
                                                                                                    -
                                                                                                    -25°C
                                                                                                    -
                                                                                                    4dBm
                                                                                                    75°C
                                                                                                    -85dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Computer Peripherals & I/O Devices, Interactive Entertainment Devices, Beacons, Personal Area N/W
                                                                                                    AT86RF212B-ZU
                                                                                                    MICROCHIP AT86RF212B-ZU
                                                                                                    44AC2248

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    MICROCHIP
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 769MHZ-935MHZ
                                                                                                    3. QFN-32
                                                                                                    Each
                                                                                                    1+
                                                                                                    $2.290
                                                                                                    10+
                                                                                                    $2.180
                                                                                                    25+
                                                                                                    $2.070
                                                                                                    50+
                                                                                                    $1.980
                                                                                                    100+
                                                                                                    $1.880
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    769MHz
                                                                                                    935MHz
                                                                                                    1.8V
                                                                                                    BPSK, O-QPSK
                                                                                                    1Mbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN
                                                                                                    9.2mA
                                                                                                    32Pins
                                                                                                    QFN
                                                                                                    18mA
                                                                                                    769MHz
                                                                                                    -
                                                                                                    935MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    10dBm
                                                                                                    85°C
                                                                                                    -110dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Energy Harvesting, Wireless Sensor Network, 6LoWPAN systems, Industrial Control, Health Care
                                                                                                    2611011021010
                                                                                                    WURTH ELEKTRONIK 2611011021010
                                                                                                    50AJ6526

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    WURTH ELEKTRONIK
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 2.402 TO 2.48GHZ
                                                                                                    3. 1MBPS ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $22.040
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    2.402GHz
                                                                                                    2.48GHz
                                                                                                    1.8V
                                                                                                    -
                                                                                                    1Mbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    -
                                                                                                    7.7mA
                                                                                                    18Pins
                                                                                                    -
                                                                                                    18.9mA
                                                                                                    2.402GHz
                                                                                                    -
                                                                                                    2.48GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    6dBm
                                                                                                    85°C
                                                                                                    -92dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    2.4GHz ISM Band Systems, Wireless Industrial Systems, Wireless Sensor Networks
                                                                                                    SI4362-C2A-GMR
                                                                                                    SILICON LABS SI4362-C2A-GMR
                                                                                                    66AH6973

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF RECEIVER
                                                                                                    2. 1.05GHZ
                                                                                                    3. 1MBPS
                                                                                                    4. 85DEG C ROHS COMPLIANT: YES
                                                                                                    Each (Supplied on Cut Tape)
                                                                                                    Cut Tape
                                                                                                    1+
                                                                                                    $6.370
                                                                                                    10+
                                                                                                    $5.510
                                                                                                    25+
                                                                                                    $5.220
                                                                                                    50+
                                                                                                    $5.020
                                                                                                    100+
                                                                                                    $4.810
                                                                                                    More Pricing...
                                                                                                    Receiver
                                                                                                    -
                                                                                                    142MHz
                                                                                                    1.05GHz
                                                                                                    1.8V
                                                                                                    FSK, GFSK, GMSK, MSK, OOK
                                                                                                    1Mbps
                                                                                                    3.8V
                                                                                                    -
                                                                                                    QFN
                                                                                                    13.7mA
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    -
                                                                                                    142MHz
                                                                                                    -
                                                                                                    1.05GHz
                                                                                                    -
                                                                                                    Electronic Shelf Labels, Health Monitors, Home Automation, Remote Keyless Entry, Smart Metering
                                                                                                    -40°C
                                                                                                    -
                                                                                                    -
                                                                                                    85°C
                                                                                                    -129dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    SI4431-B1-FM
                                                                                                    SILICON LABS SI4431-B1-FM
                                                                                                    49X9781

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 240-930MHZ
                                                                                                    3. QFN-20
                                                                                                    Each
                                                                                                    1+
                                                                                                    $6.680
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    240MHz
                                                                                                    930MHz
                                                                                                    1.8V
                                                                                                    FSK, GFSK, OOK
                                                                                                    256Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    QFN
                                                                                                    18.5mA
                                                                                                    20Pins
                                                                                                    QFN
                                                                                                    30mA
                                                                                                    240MHz
                                                                                                    -
                                                                                                    930MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    13dBm
                                                                                                    85°C
                                                                                                    -101dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Automatic Meter Reading, Wireless Sensor Networks, Home and Building Automation
                                                                                                    CY8C4248LQI-BL583
                                                                                                    INFINEON CY8C4248LQI-BL583
                                                                                                    68AC4724

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    INFINEON
                                                                                                    1. RF Transceiver
                                                                                                    2. 2.4GHz to 2.482GHz
                                                                                                    3. 1Mbps
                                                                                                    4. 3dBm
                                                                                                    5. 1.8V to 5.5V
                                                                                                    6. 15.6mA Tx/18.7mA Rx
                                                                                                    7. QFN-56
                                                                                                    Each
                                                                                                    1+
                                                                                                    $8.000
                                                                                                    10+
                                                                                                    $6.410
                                                                                                    25+
                                                                                                    $5.940
                                                                                                    50+
                                                                                                    $5.690
                                                                                                    100+
                                                                                                    $5.430
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    Transceiver
                                                                                                    2.4GHz
                                                                                                    2.482GHz
                                                                                                    1.8V
                                                                                                    GFSK
                                                                                                    1Mbps
                                                                                                    5.5V
                                                                                                    -
                                                                                                    QFN
                                                                                                    18.7mA
                                                                                                    56Pins
                                                                                                    QFN
                                                                                                    15.6mA
                                                                                                    2.4GHz
                                                                                                    2.4GHz
                                                                                                    2.482GHz
                                                                                                    2.482GHz
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    3dBm
                                                                                                    85°C
                                                                                                    -89dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    2.4GHz Bluetooth Low Energy Systems
                                                                                                    CY8C4248LQI-BL573
                                                                                                    INFINEON CY8C4248LQI-BL573
                                                                                                    68AC4723

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    INFINEON
                                                                                                    1. RF TXRX
                                                                                                    2. BLUETOOTH PSOC
                                                                                                    3. 2.482GHZ
                                                                                                    4. QFN
                                                                                                    Each
                                                                                                    1+
                                                                                                    $7.220
                                                                                                    10+
                                                                                                    $5.570
                                                                                                    25+
                                                                                                    $5.160
                                                                                                    50+
                                                                                                    $4.930
                                                                                                    100+
                                                                                                    $4.710
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    2.4GHz
                                                                                                    2.482GHz
                                                                                                    1.8V
                                                                                                    GFSK
                                                                                                    1Mbps
                                                                                                    5.5V
                                                                                                    -
                                                                                                    QFN
                                                                                                    18.7mA
                                                                                                    56Pins
                                                                                                    QFN
                                                                                                    15.6mA
                                                                                                    2.4GHz
                                                                                                    -
                                                                                                    2.482GHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    3dBm
                                                                                                    85°C
                                                                                                    -89dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    2.4GHz Bluetooth Low Energy Systems
                                                                                                    ZGM130S037HGN2
                                                                                                    SILICON LABS ZGM130S037HGN2
                                                                                                    40AH5526

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    SILICON LABS
                                                                                                    1. RF TRANSCEIVER
                                                                                                    2. 905-930MHZ
                                                                                                    3. LGA-64 ROHS COMPLIANT: YES
                                                                                                    Each
                                                                                                    1+
                                                                                                    $14.330
                                                                                                    10+
                                                                                                    $12.460
                                                                                                    25+
                                                                                                    $11.810
                                                                                                    50+
                                                                                                    $11.370
                                                                                                    100+
                                                                                                    $10.930
                                                                                                    More Pricing...
                                                                                                    Transceiver
                                                                                                    -
                                                                                                    905MHz
                                                                                                    930MHz
                                                                                                    1.8V
                                                                                                    2FSK, 2GFSK, GFSK
                                                                                                    -
                                                                                                    3.8V
                                                                                                    -
                                                                                                    LGA
                                                                                                    9.8mA
                                                                                                    64Pins
                                                                                                    LGA
                                                                                                    13.3mA
                                                                                                    905MHz
                                                                                                    -
                                                                                                    930MHz
                                                                                                    -
                                                                                                    -
                                                                                                    -40°C
                                                                                                    -
                                                                                                    13dBm
                                                                                                    85°C
                                                                                                    -97.5dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    Health & Wellness, Home & Building Automation, Lighting, Metering, Security
                                                                                                    MAX41473GTC+
                                                                                                    ANALOG DEVICES MAX41473GTC+
                                                                                                    36AJ9731

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    ANALOG DEVICES
                                                                                                    1. Transmitter
                                                                                                    2. ASK & FSK
                                                                                                    3. 287MHz to 960MHz
                                                                                                    4. 200Kbps
                                                                                                    5. 1.8V to 3.6V
                                                                                                    6. -127dBm
                                                                                                    7. -40°C to 105°C
                                                                                                    8. TQFN-12
                                                                                                    Each
                                                                                                    1+
                                                                                                    $2.760
                                                                                                    10+
                                                                                                    $2.480
                                                                                                    25+
                                                                                                    $2.340
                                                                                                    50+
                                                                                                    $2.160
                                                                                                    100+
                                                                                                    $2.000
                                                                                                    More Pricing...
                                                                                                    Receiver
                                                                                                    Receiver
                                                                                                    287MHz
                                                                                                    960MHz
                                                                                                    1.8V
                                                                                                    ASK, FSK
                                                                                                    200Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    TQFN
                                                                                                    -
                                                                                                    12Pins
                                                                                                    TQFN
                                                                                                    -
                                                                                                    287MHz
                                                                                                    287MHz
                                                                                                    960MHz
                                                                                                    960MHz
                                                                                                    Building Access Control, GDO, Home Automation & Security, RKE, Tire Pressure Monitoring Systems
                                                                                                    -40°C
                                                                                                    -
                                                                                                    -
                                                                                                    105°C
                                                                                                    -127dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    MAX41470GTC+
                                                                                                    ANALOG DEVICES MAX41470GTC+
                                                                                                    88AH6624

                                                                                                    Data Sheet

                                                                                                    RoHS

                                                                                                    Date/Lot Code

                                                                                                    ANALOG DEVICES
                                                                                                    1. Transmitter
                                                                                                    2. ASK & FSK
                                                                                                    3. 290MHz to 960MHz
                                                                                                    4. 200Kbps
                                                                                                    5. 1.8V to 3.6V
                                                                                                    6. -127dBm
                                                                                                    7. -40°C to 105°C
                                                                                                    8. TQFN-12
                                                                                                    Each
                                                                                                    1+
                                                                                                    $2.900
                                                                                                    10+
                                                                                                    $2.630
                                                                                                    25+
                                                                                                    $2.340
                                                                                                    50+
                                                                                                    $2.220
                                                                                                    100+
                                                                                                    $2.110
                                                                                                    More Pricing...
                                                                                                    Receiver
                                                                                                    Receiver
                                                                                                    290MHz
                                                                                                    960MHz
                                                                                                    1.8V
                                                                                                    ASK, FSK
                                                                                                    200Kbps
                                                                                                    3.6V
                                                                                                    -
                                                                                                    TQFN
                                                                                                    -
                                                                                                    12Pins
                                                                                                    TQFN
                                                                                                    -
                                                                                                    290MHz
                                                                                                    290MHz
                                                                                                    960MHz
                                                                                                    960MHz
                                                                                                    Building Access Control, GDO, Home Automation & Security, RKE, Tire Pressure Monitoring Systems
                                                                                                    -40°C
                                                                                                    -
                                                                                                    -
                                                                                                    105°C
                                                                                                    -127dBm
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    -
                                                                                                    ComparePrice forQuantity
                                                                                                    1-25 of 80 items
                                                                                                    of 4 page(s)
                                                                                                    Customer Service
                                                                                                    I Need Help
                                                                                                    Sales 1 800 463 9275
                                                                                                    Technical 1 877 736 4835
                                                                                                    Live Agent
                                                                                                    Submit Feedback
                                                                                                    Help
                                                                                                    Quick Links
                                                                                                    Track my order
                                                                                                    FAQs
                                                                                                    Delivery Information
                                                                                                    Return a Product
                                                                                                    Our Company
                                                                                                    About us
                                                                                                    Quality Policy
                                                                                                    Careers
                                                                                                    Corporate Responsibility
                                                                                                    Social Media +

                                                                                                    Become a Newark Insider!

                                                                                                    LinkedIn
                                                                                                    Twitter
                                                                                                    Facebook
                                                                                                    Norton Secured
                                                                                                    BSI 9001
                                                                                                    AMEX
                                                                                                    Mastercard
                                                                                                    Visa
                                                                                                    Trade Account
                                                                                                    Terms of Use / Privacy Policy
                                                                                                    Terms of Use for API
                                                                                                    Legal and Copyright Notices
                                                                                                    Terms & Conditions
                                                                                                    Privacy Statement
                                                                                                    Sitemap
                                                                                                    An Avnet Company© 2026 Premier Farnell Limited. All Rights Reserved.