UTP balun hd Ventech cat5 to bnc video baluns transceiver passive with power connector compatible with all CCTV technologies( analog AHD TVI CVI ntsc pal ) 4 PAIRS rj45 75 ohn connectors Gold Plated BNC(better transmission quality) long distance HD transmiter Support all video devices, such as camera, monitor, DVR card and recorder etc. lightning proof 2000V 10/700us Easy installation, using the standard UTP cable system LED indicate whether working (green light) or not working(yellow light). Video transmission Via UTP CAT5. Video: 450m Power: 300m, with Surge Protection