Usage Tips:Product Name:UTP 4 Channel Passive Video Balun ceiver 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 ceiver and active mitters allow signals mission 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 mitted on common Cat-5 unshielded twisted pair wire with perfect mission effect, which can be applied in the occasions such as video monitoring and video meeting and can mit four channels of video image simultaneously on an 8-core Cat-5 twisted pair wire. Package Contents: 1 x UTP Passive Balun 1 x Manual 4 Channel UTP Balun adopt differential signal mission with excellent anti-jamming ability. Save project wire expenses. each a pair of twisted pair wire mits one channel of video signal and one Full motion CCTV video at distances up to 330m when used with any passive UTP video ceiver. Up to 1500m with any active UTP video receiver. No power required. Built-in ient suppression protection. Applicable to NTSC, PAL, SECAM and CCIR systems Only the above package content, other products are not included. Note: Light 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.