LiftMaster 312HM High Memory Universal Gate Receiver

Liftmaster 312HM Universal Coaxial Receiver with Security+® - 315MHz The 312HM is equivaelnt to Receiver Model 312HMC. External 8" whip antenna included.

Security+® rolling code and/or DIP switch compatibility 12VDC or 18 - 35VAC/DC
312HM gate receiver 315Mhz that uses 4 wire connection. 2 wires are for power and the other 2 are wired into the relay that opens the gate.

High security memory stores up to 18 Enhanced Radio Technology remote controls or keyless entry codes Normal security memory stores up to 31 LiftMaster remote control codes of any type.

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Liftmaster 312HM Gate and Garage Door Opener Universal Receiver incorporates the Security+® code rotating technology. The code between the remote and receiver changes with each use for added security. This receiver will work on either 12 volt DC or 18 - 35 volts AC/DC, jumper selectable. It can be used with up to 18 Security+ (code rotating) transmitters or 31 of ANY type transmitter including billion code, code rotating or code switch remote. Includes receiver, antenna, wire, and instructions.