433MHz RF Relay Receiver – 1CH Wireless Remote Switch Module
One Size
$2.84
Sale price
$2.84
Regular price
$3.52
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433MHz RF Relay Receiver – 1CH Wireless Remote Switch Module
$2.84
Sale price
$2.84
Regular price
$3.52
433MHz 1-Channel RF Relay Receiver – Wireless Remote Control Switch Micro Module
Take full control of your DIY electronics projects with this compact 433MHz / 315MHz 1-Channel RF Relay Receiver Module (RX500A). Designed for hobbyists, makers, and engineers alike, this tiny but powerful micro module lets you wirelessly switch LED lights, relays, and other low-voltage devices with ease — no complicated wiring required.
Made in Mainland China.
Key Features
- Wide Voltage Compatibility: Operates across a broad DC range (2.0V – 5.5V operating voltage; compatible with 3V, 5V, 12V, and 24V system setups), making it versatile for a wide range of projects.
- Dual Frequency Support: Works on both 433.92 MHz and 315 MHz bands for flexible pairing with compatible RF transmitters.
- High Receive Sensitivity: -108 dBm sensitivity ensures reliable signal reception even at greater distances or through walls.
- 1W Transmitting Power: Delivers strong, stable wireless control performance.
- Ultra-Compact Design: Measuring just 23.5 × 9 × 1 mm, this slim module fits easily into tight enclosures or project builds.
- Wide Operating Temperature Range: Rated from -40°C to +80°C, suitable for both indoor and outdoor installations.
- Universal DIY Use: Perfect for LED light control, relay switching, home automation experiments, remote-triggered circuits, and more.
- Plug-and-Play Ready: 100% brand new, high-quality construction — ready to integrate straight out of the package.
Technical Specifications
| Model | RX500A |
| Operating Voltage | 2.0V – 5.5V (compatible with 3V, 5V, 12V, 24V systems) |
| Frequency Band | 433.92 MHz / 315 MHz |
| Receive Sensitivity | -108 dBm @ 315 MHz & 433.92 MHz |
| Transmitting Power | 1 W |
| Dimensions | 23.5 × 9 × 1 mm |
| Working Temperature | -40°C to +80°C |
| Channels | 1 (Single Channel) |
| Country of Origin | Mainland China |
What's in the Box?
- 1 × 433MHz 1CH RF Relay Receiver Micro Module (RX500A)
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Learn More About RF Communication Standards
For technical background on radio frequency devices and their regulatory standards, visit the NIST Communications Technology Laboratory.
Frequently Asked Questions
Q: What frequency does this RF relay receiver module support?
A: This module supports both 433.92 MHz and 315 MHz frequency bands, making it compatible with a wide range of standard RF remote transmitters commonly used in DIY electronics and home automation projects.
Q: What voltage range is this wireless remote control switch module compatible with?
A: The RX500A module has an operating voltage of 2.0V – 5.5V and is designed to work in systems running at 3V, 5V, 12V, or 24V DC, giving it broad compatibility with most hobby electronics and microcontroller platforms like Arduino and Raspberry Pi.
Q: What can I use this RF receiver module to control?
A: This 1-channel RF relay receiver is ideal for wirelessly controlling LED lights, relay switches, motors, solenoids, and other low-voltage devices in DIY automation setups, remote-triggered circuits, smart home experiments, and more.
Q: How small is this module — will it fit in a compact project enclosure?
A: Yes! The module measures just 23.5 × 9 × 1 mm, making it one of the most compact RF receiver modules available. It's designed to slot neatly into tight spaces, custom enclosures, and embedded project housings.