LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

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