Product Name:UTP 4 Channel Passive Video Balun TransceiverImpedance: BNC terminal: 75ohm;Connection terminal: 100ohm ;Frequency response: DC - 8MHzSize: 10.3 x 5.7 x 2.8cm ;Weight: 736g;# CMRR (Common Mode Rejection Ratio): 60DB #Working temperature: -10°C - 70°C;Storage temperature: -30°C - 70°CWhen working with a passive transceiver and active transmitters, signals can be transmitted over a distance of up to 330 m and 1500 m, respectively.This 4-channel video balun allows you to use a shared or existing cable system.The video balun is designed to convert the video signal. into a balanced signal, suitable for transmission over ordinary Cat-5 unshielded twisted pair with perfect transmission effect, which can be applied in occasions such as video surveillance and hangouts, and can transmit four channels of video image simultaneously on 8-core Cat-5 twisted pair.The 4-channel UTP Balun uses differential signal transmission with excellent anti-interference ability.Save on project wires.Each twisted pair pair carries one video channel and onefull video surveillance signal at a distance of up to 330 m when used with any passiveUTP video transceiver.Up to 1500m with any active UTP video recorder. receiver.Power is not required.Built-in transient suppression protection.Applicable to NTSC, PAL, SECAM and CCIR systems.package content:4 x passive UTP balun4 x manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.