Specifications: .Operating Frequency: DC to 42MHz .Impedance: - BNC: 75 O unbalanced - UTP,RJ45: 100 O balanced .Attenuation: 1.5 dB typ Max .Wire Type: Network Wiring .Impedance: 100±20 ohms .Power Transmission: 12VDC/24VAC, via UTP CAT5E/6 .Housing: ABS engineering plastic .Operating Temperature: -20 ~ 70 °C .Relative Humidity: 0~95%(non-condensing) .Storage Temperature: -40 ~ 150 ? .Dimensions(L*W*H): 60*30*21MM Package includes: 1 x Pairs BNC to RJ45 CAT5 Video Balun HD Passive Video Power + Data Transmitter Receiver