The wireless repeater, supporting 868 Mhz wireless communication, Tri-X and Cam-X wireless protocol, multiple enrollment methods, two-way wireless communication, and auto-pairing, is used for extending RF distance in alarm system • 868MHz two-way wireless communication • Two-way communication, stable and secure • LED display, show the differernt feedbacks with easy understanding • Up to 35 hrs battery backup after mains lost, no worry about communication • Finding and connecting up to 8 PIRCAM or smoke detectors automatically, smart auto-pairing • Easy installation with new designed structure