B074FWXMGJ 20 Pairs Passive Video Balun RJ45 Transceiver Transmitter HD-CVI/TVI/AHD/CVBS with Built in Transient Suppression Protection for 1080P/2MP CCTV Security DVR Surveillance Camera System

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Power-video-audio/data signals are routed via UTP and RJ45.
The unit is a passive(non-amplified) device that allows the transmission of real-time monochrome or color video over without shield twisted-pair(UTP) telephone wire.
Support NTC,PAL,and SECAM video formats
60 db cross talk and noise immunity
Compact size and easy installation;Save cable cost 30%-50%