433Mhz Wireless RF Transmitter Receiver Module for Arduino


Product specifications

  • Product type: RF pair of Transmitter and Receiver Module
  • Rx receiver dimension: 13 mm x 30 mm
  • Rx transmitter dimension: 18 mm x 18 mm
  • Colour: red (as shown in image)
  • Package contains: RF Module pair of RF transmitter and RF receiver


Additional Info
  • Product image is for reference purpose only.
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  • RF module is a set of RF transmitters (Tx) and RF receiver (Rx) and operates at a frequency of 433 MHz.  RF Tx and Rx are encoded and decoded by a pair of encoder and decoder IC, often HT12E and HT12D and uses ASK modulation technique. The module receives data serially and transmits wirelessly through the antenna. RF Rx receives data when RX and TX operate at the same frequency.

    • Operating frequency: 433MHz
    • Open space operating range: 400 m with 45 cm antenna
    • Rx current supply: 3.5 mA
    • Rx operating voltage: 5V
    • Rx typical sensitivity: 105Dbm
    • Tx operating voltage: 3-6V
    • Tx output power: 4-12Dbm
    • Power consumption: low
    • Car alarm system
    • Wireless security system
    • Remote control car and robot
    • Automation
    • Short distance communication
    Pin Description

    Pin Description of RF Module


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