LiftMaster 850LM Universal Gate and Garage Door Opener Receiver, Compatible with 811LM, 813LM, and all MAX remote controls By Visit the LiftMaster Store

Designed for both gated communities and commercial buildings, the new universal receiver and accompanying remote controls feature security + 2.0tm technology. It utilizes a new, innovative and exclusive narrow band multi-frequency radio, which virtually eliminates radio interference, and eliminates customer call backs due to poor range performance.

• Compatible with 811LM, 813LM, and all MAX remote controls
• Expands to three channels: Channel 1 – 50 remotes, Channel 2 – 20 remotes, Channel 3 – 20 remotes
• Compact design fits most gate and commercial door operators
• Provides convenient access to gated communities, industrial facilities, and commercial sites all with a single transmitter solution
• Multiple remote control options available to provide secure access from the safety and convenience of a vehicle