This LiftMaster 850LM is a 3-Channel Automatic Gate Opener or Garage Door Receiver. The unit uses LiftMaster new Security+ 2.0 radio technology which helps eliminte radio interference.
The LiftMaster 850LM is a perfect radio receiver for community gate or other applications where a large number of transmitters are needed. The unit will work with the LiftMaster 811LM as well as all of the LIftMaster MAX remotes.
-Three channels provide expanded remote control capacity: Channel 1 - Holds 50 remotes, Channel 2 - Can Hold upto 20 remotes, Channel 3 - Can hold upto 20 remotes
-Compact design fits most gate and commercial door operators
-Compatible with 811LM and all MAX remote controls
-Power: 12-24VDC or 12-24VAC
-Relay Outputs: Output channels - 1 FORM C and 2 FORM A relays
-Narrow-band on 310 MHz, 315 MHz, and 390 MHz Security+ 2.0™ Rolling Code and Encrypted DIP
-Operational temperature from -35 to 65 degrees C; Storage temperature from -40 to 85 decrees C
-Compliant with FCC Part 15
-Includes: Whip Antenna and Progamming Manual
-Dimensions: 4.25 by 4 by 1 inches