M5Stack RF433T/R Wireless RF Transmitter & Receiver module operates at a working frequency of 433.92MHz, making it ideal for a wide range of IoT RF remote control and home automation scenarios. It is designed for stable, low-power wireless data transmission and reception in compact embedded systems. Compatible with popular development platforms such as M5Stack, ESP32, and other microcontroller-based boards, this RF module is suitable for creating smart home devices, wireless sensors, and custom automation projects. The integrated transmitter and receiver simplify the design of point-to-point and one-to-many wireless communication links. Working Frequency: 433.92MHz RF band, suitable for short to medium range wireless applications. Transmitter & Receiver in One Set: Includes both RF transmitter and RF receiver for complete wireless communication solutions. Designed for IoT: Ideal for IoT devices, RF remote control systems, and automation projects requiring reliable wireless links. Stable Signal Performance: Optimized RF circuit for better anti-interference performance and more stable data transmission. Wide Application: Suitable for remote control switches, smart home automation, wireless alarms, garage door control, and DIY RF projects. Easy Integration: Simple interface for connection with M5Stack cores, ESP32, Arduino, and other MCU development boards. Compact Design: Small form factor saves space in embedded and portable devices. Low Power Consumption: Suitable for battery-powered IoT nodes and long-term operation. Color: White Material: plastic Package Contents: 1*RF433R Receiver 1*RF433T transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.