1. Built in a highly balanced mode of video transmission, which is immune inte to interference from these, and other sources or noise. 2. Data signals, other video signals, nearby power , Ringing telephones, Fluorescent lights, transformers, and more... 3. Applicable:UTP/ STP /Cat5e /Cat6 /Cat7 /IFTP 4. Distance:B/W 750M color 600M 5. Frequency: 8MHZ 6. Connector:RJ45: 100 Ohms, BNC:75 Ohms 7. RJ45 patch:4(+)5(-)/video 3,7(+)6,8(-) power 8. Dimensions:34mm x 27mm x 20mm

http://olla.gr/cctv-twisted-pair-passive-video-transceiver/