LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

LiftMaster 850LM Universal Gate and Garage Door Opener Receiver Utilizing an innovative new narrow band multi-frequency radio, the LiftMaster 850LM Universal Gate and Garage Door Opener Receiver can serve gated communities and commercial buildings with a single transmitter. It features Security+ 2.0 technology that wipes away radio interference and callbacks due to poor range performance. It’s compatible with 811LM and all MAX remote controls. It comes with a one-year warranty and is compliant with FCC Part 15. Three channels provide expanded remote control capacity: •Channel 1 - 50 remotes •Channel 2 - 20 remotes •Channel 3 - 20 remotes •Each Channel can have 2 keyless entries programmed •It can be wired for an open close stop setup which is great with remote 813LM Other product features include: •Compact design fits most gate and commercial door operators •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,