The 12VDC 4-Channel RF Relay Module is a reliable wireless switching solution designed for remote control of electrical devices and automation systems. Operating at 433MHz, this module allows you to control up to four independent loads using the included RF remote controller, making it ideal for home automation, DIY projects, security systems, and industrial control applications.

With stable RF performance and onboard relays rated at 3A, this module provides safe and convenient wireless control without the need for complex wiring.

Key Features

• 4-Channel Relay Output: Independently control up to four devices
• Wireless RF Control: 433MHz frequency ensures stable and long-range communication
• 12V DC Operation: Compatible with common DC power supplies
• 3A Relay Rating: Suitable for low- to medium-power electrical loads
• Remote Controller Included: Ready-to-use wireless control solution
• Learning Code Technology: Easy pairing and re-programming of remotes
• Compact PCB Design: Easy integration into enclosures and control panels

Technical Specifications

• Operating Voltage: 12V DC
• Relay Channels: 4
• Relay Rating: 3A @ 250VAC / 30VDC
• RF Frequency: 433MHz
• Control Type: RF wireless remote
• Output Type: Relay (NO / COM / NC terminals)
• Remote Coding: Learning code
• Control Distance: Up to ~50–100m (open area, line of sight)
• PCB Material: FR4
• Mounting: Through-hole mounting points

Applications

• Home and office automation
• Wireless switching and control systems
• Lighting and appliance control
• Access control and security systems
• DIY electronics and IoT projects