iSmart 10 Pair (20 Pcs) CCTV BNC Video Balun Transceiver Cable IB1016 Full-motion CCTV video at distances up to 550m when used with any passive transceiver Up to 1500m with any active UTP video receiver. Support all video devices, such as camera, monitor, DVR card and recorder etc. Easy installation, using the standard UTP cable system 20 (10 pairs) Mini CCTV BNC Video Balun