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312HM Liftmaster Chamberlain High Memory Universal Coaxial Gate Opener Receiver

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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. Compatible with Sears Craftsman LiftMaster Chamberlain High Memory Universal Coaxial Gate Receiver 312HM, Wireless 423LM Wall Memory 635LM Gate Coaxial Security.
· 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.
· 200 foot range of operation
· Will work with ALL Lift-Master, Sears or Chamberlain remotes as described above.
· FCC certified 315MHZ

We recommend these remotes and keypad:  893MAX, 890MAX key chain or 877MAX keypad
•Please contact us prior to purchase if you’re unsure about compatibility

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