Liftmaster 312HM Universal Coaxial Receiver with Security+® - 315MHz
- External 8"" whip antenna included.
- 12VDC or 18 - 35VAC/DC jumper selectable
- Momentary or constant contact, jumper selection
- 2-piece aluminum case with detachable cover
- Normal security memory stores up to 31 LiftMaster® remote control codes of any type
- FCC certified 315MHz