CCTV Balun, ZOTER Passive BNC to RJ45 CAT5 Video + Audio + Power Transceiver for Surveillance Camera (pack of 8) Passive (non-amplified) device that allows the transmission of real-time monochrome or color video over Unshielded Twisted-Pair (UTP) wire Hi-frequency signal to visualize high quality image. Unparalleled interference rejection and low emissions of the unit allows video signals to co-exist in the same wire bundle as telephone, datacom, or low-voltage power circuits. Provides noise interference restrain design and permitting stable images Max. receiving and transmitting distance is 600M