433 MHz 1CH RF Relay Receiver Wireless Remote Control Module

Universal 433 MHz 1-Channel RF Relay Receiver Wireless Remote Control Module

Take command of your DIY electronics projects with this compact 433 MHz 1-Channel RF Relay Receiver Wireless Remote Control Module. Designed for makers, hobbyists, and electronics enthusiasts, this micro receiver board lets you wirelessly switch circuits, control LEDs, lights, and low-voltage devices with ease — no messy wiring required.

Operating on the widely compatible 433 MHz RF frequency, this single-channel relay module pairs with standard 433 MHz transmitters and remote controls, making it a versatile addition to any DIY automation or home electronics project. Its ultra-compact footprint (23.5 × 9 × 1 mm) makes it ideal for space-constrained builds.

Key Features

• 433 MHz RF Frequency — Universal compatibility with standard 433 MHz remotes and transmitters
• 1-Channel Relay Output — Control one circuit or device independently via wireless signal
• Wide DC Voltage Range (3.6V – 24V) — Flexible power input to suit a variety of project setups
• Ultra-Compact Design — Measures just 23.5 × 9 × 1 mm, perfect for tight enclosures and embedded builds
• Wireless Operation — Cord-free control for a clean, clutter-free installation
• DIY Friendly — Straightforward integration into custom electronics, smart home add-ons, LED controllers, and more
• Reliable Signal Reception — Stable RF reception for consistent, responsive remote switching

Specifications

• Frequency: 433 MHz
• Channels: 1 (1CH)
• Operating Voltage: DC 3.6V – 24V
• Dimensions: 23.5 × 9 × 1 mm
• Model: RX500A

What Can You Control?

This RF relay receiver module is ideal for wirelessly switching LED strips, low-voltage lighting, motors, relays, sensors, and other DC-powered devices in your DIY electronics or home automation builds. Whether you're building a wireless light switch, a remote-triggered gadget, or a custom smart home component, this module delivers reliable performance in a tiny package.

A Great Gift for Makers

Whether it's a treat for your own electronics bench or a thoughtful gift for the DIY enthusiast in your life, this 433 MHz RF relay receiver module is an easy, affordable addition to any maker's toolkit.

For more information on RF wireless communication standards and best practices for electronics projects, visit the NIST Wireless Technology Resources.

Frequently Asked Questions

Q: What is the 433 MHz 1CH RF Relay Receiver Module used for?

A: This 433 MHz 1-channel RF relay receiver module is used in DIY electronics and home automation projects to wirelessly control a single circuit or device — such as LED lights, motors, or low-voltage switches — using a compatible 433 MHz remote transmitter.

Q: What voltage does this RF relay receiver module support?

A: The module supports a wide DC input voltage range of 3.6V to 24V, making it compatible with a broad range of power supplies and DIY project configurations.

Q: Is this module compatible with standard 433 MHz remotes?

A: Yes, this receiver module operates on the universal 433 MHz RF frequency and is compatible with most standard 433 MHz wireless remote transmitters, offering broad interoperability for your projects.

Q: How small is this RF relay receiver module?

A: The module measures just 23.5 × 9 × 1 mm — an ultra-compact form factor that makes it ideal for embedding into tight enclosures, custom enclosures, or space-limited DIY builds.