Specification:4CH Active. Video:Frequency respons:DC-6Mhz Conmmon-mode/Differential-mode Rejection:15Khz 6Mhz 60dB type. Audio/data:NO. Power:12VDC. Impedance: Coax,male BNC:75oumu UTP(Screwless)Terminal Block or UTP RJ45 dataconnector:100oumu. Wire type:One Unshielded Twisted Pair 24-16AWG(0.5-1.31mm)Per video signal:DC Loop Resistance 52ohms per 1,000 ft(18ohms per 100m). Surge suppression:6000V 1.2uS*5uS. Control: Brightness and Sharpness. UTP Port: RJ45 (1610J Terminal Block). Dimensions:200*70*38. Weight:430g.