The LiftMaster 850LM universal receiver for commercial garage door openers and gate operators can support as many as 90 remote control transmitters and six entry keypads. LiftMaster's universal garage door receiver from Garage Door Supply Company controls up to three commercial door operators or gate operators for commercial buildings and gated communities. The universal gate opener receiver is equipped with Security+ 2.0 technology for interference-free communication. Universal Receiver for Gate Operators and Commercial Door Operators. The LiftMaster 850LM receiver is compatible with LiftMaster 811LM and 813LM remote control transmitters. It's compatible with all Security+ 2.0 remotes and all LiftMaster Max series remote controls.
COMPATIBLE WITH 811LM, 813LM, All Security+ 2.0 Remotes AND ALL MAX SERIES REMOTE TRANSMITTERS.