• RS Stock No. 666-6757
      • Brand RF Solutions
      • Mfr. Part No. ALPHA-TRX433S
      RF Solutions
      RF Solutions RF Transceiver ALPHA-TRX433S 433 MHz, FM, 2.2 → 3.8V
      Product Details

      ALPHA 433MHz Transmitter & Receiver Modules

      This ALPHA range of radio data modules consists of transmitters, receivers and transceivers operating in the 433 ISM frequency band.

      RF Carrier Frequency range: 430.24 to 439.75MHz ISM Band
      Transmitter Output Power: up to +7dBm
      Receiver Sensitivity: -109dBm @1200bps, BER = 0.1%
      Modulation: FSK, OOK
      High resolution PLL with 2.5KHz step
      Programmable frequency deviation (from 30kHz to 210kHz, step 30kHz)
      Max data rate: 115.2kbps with internal digital filters
      SPI port for setup
      Clock and reset signal output for external MCU use
      Wake-up timer
      Low-battery detection
      Power supply: +2.2 to +5.4Vdc
      Stand-by current less than 0.3μA
      Operating temperature range: -40 to +85°C
      Dimensions: 16.1 x 15.9 x 4.2mm
      Applications: Remote control, Remote sensing, Wireless data collection, Home security system, Toys, Tyre pressure monitoring system, local communication for the Internet-of-Things (IoT)

      RS Product Codes
      666-6744 ALPHA-TX-433 Transmitter
      666-6748 ALPHA-RX-433 Receiver
      666-6757 ALPHA-TRX-433 Transceiver


      CE, FCC

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      Module TypeTransceiver
      Supported Frequency Bands433 MHz
      Modulation TechniqueFM
      Maximum RF Data Rate115.2kbit/s
      Maximum Output Power+25dBm
      Supported Bus InterfacesSPI
      Supply Voltage2.2 → 3.8V
      Dimensions16.1 x 15.9 x 4.2mm
      Maximum Operating Temperature+85°C
      Minimum Operating Temperature-40°C
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      Technical Reference
      • RS Components

        Statement of conformity

        The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
        RS Stock No. 666-6757
        Description RF Solutions RF Transceiver ALPHA-TRX433S 433 MHz, FM, 2.2 → 3.8V
        Manufacturer/Brand: RF Solutions
        Mfr. Part No. ALPHA-TRX433S
        The foregoing information relates to product sold on, or after, the date shown below.
        Date Jun 29, 2017
        RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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