(20) Pieces of 1 Channel Passive CCTV Camera BNC Video Balun Transceiver for Security Camera System - BNC to UTP CAT5 20 1 Channel Passive Video Audio and Power Balun Transceiver; Video Transmission via UTP CAT5 Cable Support all video devices, such as camera, monitor, DVR and DVR card; Compatible with LAN system, using pin 4,5 or pin 7,8. Outstanding interference rejection and transient protection; Male BNC allows connection directly to the camera or DVR; 10%~20% wire costs saved; Full-motion CCTV video at distances up to 2000ft; No power required; Lower Cost, Easy Installation.