850LM Liftmaster Commercial Universal Garage Door Opener Radio Receiver
for both gated communities and commercial buildings, the Liftmaster
850LM Universal Receiver and accompanying remote controls feature
Security+ 2.0™ 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. Property managers can support and manage multiple access
points, such as the main gate, tenant and visitor doors, commercial
doors, and even parking entrances, all with a single remote control
solution that offers superior range and security.
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