LiftMaster 850LM Receiver Security+ 2.0 and Encrypted DIP

LiftMaster 850LM features Security+ 2.0 Encrypted DIP technology and has 12 two position switches for programming. Features Triband technology which switches between three frequencies to give you the best range. Compatible with LiftMaster 811LM, 811LMX, 813LM, 813LMX and 8XXMAX radio controls. Includes receiver, antenna and instructions. Designed for both gated communities and commercial buildings, the new Universal Receiver and accompanying remote controls feature Security+ 2.0™ technology. It utilizes a new, innovative and esclusive narrow band multi-frequency radio, which virtually eliminates radio interference, and eliminates customer call backs due to poor range performance.