LiftMaster MyQ Control Panel (888LM/889LM) & Internet Gateway (828LM) Installation Guide Required Items for Installation * MyQ Control Panel (888LM or 889LM) * MyQ Internet Gateway (828LM) * Compatible LiftMaster, Chamberlain, Sears/Craftsman, or Raynor garage door opener (1998 or newer) Garage Door Compatibilit…