433MHz RF Transmitter Receiver Pair

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  • Jameco Part no.: 2297703
  • Manufacturer: Major Brands
  • Manufacturer no.: 433MHZ-TXRX
  • HTS code: 8543709655
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433MHz RF Transmitter Receiver Pair

A pair of 433MHz RF transmitter and receiver modules.


  • Compatible with SparkFun’s 434MHz RF transmitter and RF receiver.
  • Frequency: 433 MHz
  • Modulation: ASK
  • Each module has three pins: Vcc, Gnd, Data.
  • The transmitter can work with any voltage between 3 to 12V. The receiver works with 3.3V to 6V.
  • Transmission range: 500 feet with external antenna.
  • Includes a transmitter and a receiver


The popular link is like this: MCU -> Encoder -> Transmitter ------ Receiver -> Decoder -> MCU.

PT2272(Encoder) and PT2262(Decoder) are optional, their existence is to 1) Avoid complication when multiple RF links in range 2) Isolate disturbance. You can integrate the encoding and decoding work to the MCUs on both sides. Whenever there are no 315Mhz devices around, you may use it as direct cable connection.

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