Product Name:UTP 4 Channel Passive Video Balun Transceiver   Impedance: BNC terminal: 75ohm;Connection terminal: 100ohm ;Frequency response: DC - 8MHz   Size: 10.3 x 5.7 x 2.8cm ;Weight: 184g; CMRR (Common Mode Rejection Ratio): 60DB    Working temperature: -10°C - 70°C;Storage temperature: -30°C - 70°C   With working with passive transceiver and active transmitters allow signals transmission up to 330m and 1500m respectively.   This 4 Channel Video Balun allows the use of a shared or existing cable plant.   Video balun is to convert the video signal into the balanced signal applicable to be transmitted on common Cat-5 unshielded twisted pair wire with perfect transmission effect, which can be applied in the occasions such as video monitoring and video meeting and can transmit four channels of video image simultaneously on an 8-core Cat-5 twisted pair wire.   Package content: 1 x UTP Passive Balun;1 x Manual   4 Channel UTP Balun adopt differential signal transmission with excellent anti-jamming ability.   Save project wire expenses.   each a pair of twisted pair wire transmits one channel of video signal and one    Full motion CCTV video at distances up to 330m when used with any passive    UTP video transceiver.   Up to 1500m with any active UTP video receiver.    No power required.   Built-in transient suppression protection.   Applicable to NTSC, PAL, SECAM and CCIR systems   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.