The YK04 4-Channel RF Remote Control Module is a versatile wireless control system designed for seamless long-range switching of electronic devices. Operating on the 433MHz RF frequency, this module provides stable, interference-resistant communication, making it perfect for smart control projects, home automation, DIY electronics, and industrial switching applications.

With four independent relay channels, the YK04 allows you to control multiple devices simultaneously — lights, motors, doors, pumps, appliances, security systems, and more. Its compact design, easy wiring, and simple pairing process make it a favorite among hobbyists, technicians, and IoT builders.

Key Features

• 4 Independent Channels – control up to four different devices or loads

• RF Frequency: 433MHz – stable and long-range wireless operation

• Wide Compatibility – works with standard 433MHz transmitters and remote key fobs

• Learning Code / Pairing Function – easy setup and secure remote matching

• Long Transmission Distance – excellent antenna performance for extended range

• Modes Supported:

  • Momentary

  • Toggle

  • Latched (depending on version/model)

• Compact, Easy to Install – ideal for DIY and professional electronic projects

• Low Power Consumption & High Sensitivity – reliable operation even in noisy environments

Common Applications

• Home automation

• Remote lighting control

• Garage doors & gate systems

• Motor control

• Electronic locks & access systems

• Smart home DIY projects

• Security alarms and sirens

• Remote pump switching

• RC projects and wireless triggering

Technical Specifications

• Model: YK04

• Channels: 4

• Operating Voltage: 12V (typical receiver input)

• RF Frequency: 433MHz

• Receiver Type: Superheterodyne

• Working Modes: Momentary / Toggle / Latched

• Output: Relay outputs / control signal (version dependent)

• Transmission Range: Up to 100–200m (open space, depending on remote and antenna)

• Remote Type: 433MHz RF Remote Key Fob (varies by package)