for liftMaster 850LM Universal Gate and Garage Door Opener Receiver, Compatib...
The 850LM gate operator receiver is compatible with remote models 811LM, 811LMX, 813LM, 891LM, 893LM, 890MAX, 893MAX, 895MAX, 892LT, 894LT, and all MAX remotes.works with keypads 877LM and 877MAX and antenna extension kits 86LM and 86LMX.