The 433MHz 12V 1 Channel Relay Module lets you switch electrical loads wirelessly using a small RF (radio frequency) remote. At 433MHz, the signal travels up to 100 meters in open space and passes through walls without any wire between the remote and the relay. A relay module wireless remote control switch like this saves significant wiring work in real installations and reduces overall setup complexity for users.
The board runs on 12V DC and switches loads up to 10A at 250V AC through its NO/NC/COM (Normally Open, Normally Closed, Common) output terminals. This makes it suitable for controlling a wide range of electrical devices such as lights, motors, and small appliances. One detail most beginners miss: 433MHz RC wireless transmitter receiver modules share frequency with many other remotes, so interference in crowded environments is possible. The honest trade-off is that range drops noticeably indoors beyond 30 to 40 meters in concrete buildings or areas with heavy obstructions.
The 433MHz relay remote control pairs with Arduino, ESP8266, and similar boards if you want to trigger it programmatically. For learners building IoT projects, connect 12V DC to the board, pair the remote once, and the load switches instantly. It is widely used in home automation, remote switching, and DIY electronics projects. StemVolt offers fast and reliable delivery of across India with trusted service support, ensuring every unit is tested before dispatch.
Related Products:
-
Explore the NRF and RF Modules for wireless communication
-
Check out the 4-Channel RF Wireless Relay Remote Control Transmitter and Receiver Module
Features:
- Operates at 433MHz RF frequency for wire-free switching across open spaces.
- Handles load capacity of 10A at 250V AC or 10A at 30V DC output.
- Control distance reaches up to 100 meters in open outdoor conditions.
- Powered at 12V DC which suits standard adapter supplies used in most panels.
Technical specifications:
| Specification | Details |
|---|---|
| Operating Voltage | 12V DC |
| Frequency | 433MHz |
| Channels | 1 Channel |
| Relay Output | NO/NC/COM |
| Control Distance | Up to 100 meters |
| Load Capacity | 10A at 250V AC or 10A at 30V DC |
| Control Type | Wireless RF remote |
Applications:
- A garage door motor connects to the relay for simple one-button remote control.
- The 433MHz 12V 1 Channel Relay Module controls a room light from up to 100 meters.
- RC wireless transmitter receiver module triggers an alarm siren via RF signal.
- An Arduino project reads sensor data and activates the relay to switch a 12V fan.
Package includes:
- 1 x 433MHz 12V 1 Channel Relay Module
Reviews
Clear filtersThere are no reviews yet.