Transmitters & Receivers

The Larco 433 MHz Receiver is a wireless activation switch designed for automatic door systems, ensuring secure and reliable operation. It operates at 433.92 MHz, employing code-hopping technology to prevent false activations. The receiver can learn signals from up to 112 different transmitters through a simple pairing process, eliminating the need for dip switches. It offers an activation time adjustable from 1.5 seconds up to 4 hours, catering to various operational requirements. The receiver features two relay outputs (one Normally Open and one Normally Closed) and accepts input power of 12 or 24 VAC/VDC. Its compact dimensions are 58mm x 32mm x 20mm, allowing for easy installation in confined spaces.

The Larco 433 MHz Ultra-Small Transmitter is a compact and secure wireless activation device designed for use in automatic door systems. Operating at 433.92 MHz, it employs code-hopping technology to prevent false activations and ensure reliable communication. The transmitter is designed for easy installation and is ideal for space-constrained applications. It features a long battery life, with approximately 60,000 cycles, and is suitable for use in environments with an ambient temperature range of -20°C to 55°C.

The Larco Ultra-Small 433 MHz Two-Button Fob is a compact and secure wireless activation device designed for automatic door systems. Operating at 433.92 MHz, it employs code-hopping technology to prevent false activations. This two-channel key fob is ideal for pocket or keychain use, offering convenience and portability. It features a battery life of approximately 60,000 cycles and operates within an ambient temperature range of -20°C to 55°C.

The Larco 433 MHz Large Single Channel Fob is a handheld transmitter designed for compatibility with various automatic door operators and control devices. It operates at 433 MHz, utilizing code-hopping technology to reduce false activations. The transmitter has a battery life of approximately 60,000 cycles.

The Larco 433 MHz Large Dual Channel Fob is a handheld wireless activation device designed for automatic door systems. Operating at 433.92 MHz, it uses code-hopping technology to prevent false activations. This fob provides two channels, offering versatility in control. It features a battery life of approximately 60,000 cycles and operates within an ambient temperature range of -20°C to 55°C.

The Larco 433 MHz Large Quad Channel Fob is a handheld wireless activation device designed for automatic door systems. Operating at 433.92 MHz, it uses code-hopping technology to prevent false activations. This fob provides four channels, offering enhanced control options. It features a battery life of approximately 60,000 cycles and operates within an ambient temperature range of -20°C to 55°C.