CCTV Video Balun, ZOTER Passive BNC to UTP Connector Transceiver Adapter for Surveillance Camera (pack of 4) Passive (non-amplified) device that allows the transmission of real-time monochrome or color video over Unshielded Twisted-Pair (UTP) wire Full-motion CCTV video at distances up to 300 meters No external power required 60dB crosstalk and noise immunity Compact size and easy installation