433MHz RF Wireless Transmitter and Receiver Link Kit

This 433MHz RF link kit includes an XD-FST transmitter and XD-RF-5V superregeneration receiver module for wireless communication. It provides a simple, low-cost wireless data link designed for Arduino, ARM, and MCU projects. It is ideal for students, hobbyists, and makers building remote control or telemetry systems.

Wireless transmission performance

The transmitter operates in AM mode on 433MHz with a transmitting power of 10mW and a transfer rate of 4KB/s. Transmission range spans between 20 and 200 metres depending on operating voltage, with an estimated 100-metre line-of-sight range.

Receiver specifications and pinout

Operating at DC 5V with a 4mA quiescent current, the superregeneration receiver offers -105dB sensitivity at 433.92MHz. The transmitter module features a standard three-pin interface with DATA, VCC, and GND connections from left to right.

Typical applications

This wireless kit is suited for remote control switches, automotive and motorcycle anti-theft systems, and home security alarm hosts. It can also be integrated into automated gates, garage door openers, remote curtains, smart sockets, and LED controls.