Skip to main content

2KM Long Range RF link kits w/ encoder and decoder

This is a super long-range 433mhz RF link kit. It comes with VCO, PLL technology, steady frequency and super anti-jamming ability. You can directly use it with your projects, like wireless data transport, remote control, etc.


Working voltageReceiver(3-5V), Transmitter(3-9V)
Working current≤2.5mA(5.0VDC)
Principle of operationSuperhet(VCO, PLL)
Working band433.92MHz (customized service available)
Sensitivity-105dBm (50Ω)
Decoding formPT2272
Antenna length18cm
Transmission range2 km

Application Ideas

  • Wireless switch
  • Remote transmission
  • Wireless control

Hardware Overview

Getting Started

  • Please follow the Instruction to hook up the communication system.
  • Connect battery, button and transmit boards.

!!!Note Please use 3-5V power source! 9V will damage the receiver board.

  • Connect battery, LEDs and receiver boards.

!!!Note Do not put RX module and TX module too close: this would prevent them to work. Make sure that the RX module and TX module are at least 1 meter away from each other.

  • When we press the button on the Transmitter side, the related LED on receiver side will be turned on.


Tech Support & Product Discussion

if you have any technical issue. submit the issue into our forum. Thank you for choosing our products! We are here to provide you with different support to ensure that your experience with our products is as smooth as possible. We offer several communication channels to cater to different preferences and needs.

Loading Comments...