BNC to RJ45 CAT5 Video +Data +Power Balun Connector for CCTV PTZ Camera 1 Pairs Power + video + data / audio signals are routed via UTP and RJ45. The unit is a passive (non-amplified) device that allows the transmission of real-time monochrome or color video over Unshielded Twisted-Pair (UTP) telephone wire. NTSC, PAL, and SECAM video formats,60 dB crosstalk and noise immunity. Compact size and easy installation,Built-in transient suppression protection.Save cable cost 30% - 50%. ade up of ABS Platic