312HM Universal Coaxial Receiver

Enhanced Radio Technology (ERT) code rotating technology. The code between the remote and receiver changes with each use for added security
The receiver and antenna use a TV Type F coaxial connectors. The antenna can plugged directly onto the receiver or mounted to a bracket and connected to the receiver with Model 86LM Coaxial Cable Kit
Includes Receiver, Antenna, Wire and Instructions
Over 100 billion possible codes in High Security mode, this receiver will work on 12 volt DC or 18 - 35 volts AC/DC, jumper selectable.
Can be used with up to 18 ERT (code rotating) transmitters
ERT rolling code technology compatibility
Momentary or constant contact, jumper selectable.
Will work with ALL Lift-Master, Sears or Chamberlain remotes as described above.
FCC certified 315MHZ

Liftmaster 312HM Universal Coaxial Receiver 315MHZ