433MHz 100 Meters Wireless Module Kit ASK Transmitter STX882 + ASK Receiver SRX882 + 2Pcs Copper Spring Antenna

This kit provides a complete solution for establishing a simple yet effective wireless communication link over distances up to 100 meters (under ideal conditions). It includes a high-power ASK transmitter module STX882 and a sensitive ASK superheterodyne receiver SRX882, operating on the license-free 433 MHz frequency. The modules use ASK (Amplitude Shift Keying) modulation, where digital data is transmitted by altering the amplitude of the RF signal. The kit comes with two special copper spring antennas to enhance range and stability. With their small size, operating voltage around 3.3V-5V, and the ability to connect directly to microcontrollers (like Arduino), this set is ideal for educational projects, remote control systems, sensor networks, and various DIY home automation applications.

STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient.

Application Circuit:


Pin Definition:

1: ANT, Antenna Input
2: DATA, Data Input
3: VCC, Connect Power Positive
4: GND, Connect Power Ground

Mechanical Dimension


SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module

SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient.

Pin Definition:

1: ANT, Connect 50 Ohm Antenna
2: GND, Connect Power Ground
3: VCC, Connect Power Positive
4: CS, Modules Enable Pin, Floating or Connected to High Level Work, Sleep When Connect Ground
5: DATA, Data Input
6: GND, Connect Power Ground
7: ANT, Connect 50 Ohm Antenna

Mechanical Dimension

Package Included:

• 2 x Antennas