pls see the attachment,anyone who can provide the product,pls contact me. TRB-4BNCPT 4 BNC Plugs With 24 Inch Pigtail To RJ45 Jack Bandwidth: Video DC to 8 MHz Insertion Loss: _ 2 dB over the frequency range from DC to 8 MHz Return Loss: _ 15 dB over the frequency range from DC to 8 MHz Common Mode Rejection: _ 40 dB at 8 MHz Impedance: 75 Ohms Cable UTP: 24 gauge or lower solid copper twisted pair wire Impedance: 100 Ohms at 1 MHz Max. Capacitance: 20 pf / ft Attenuation: 6.6 dB / 1000 feet at 1 MHz Transmission Distance: 2200 feet (Cat. 5 UTP) Housing: 81x60x24 mm Hanson Shenzhen KET Industrial Co.,Ltd Add:8/F,212 Bldg,Tairan Industrial Park, Chegongmiao, Futian District, Shenzhen, China Tel:+86-755-83408861 83403881 83408786 (30 line) ext 829 Fax:+86-755-83869016 E-mail: hanson.szket@gmail.com Msn: hs_cw0721@hotmail.com Skype:hanson0721 ICQ:13003886 URL:http://www.szket.com Http://www.globalsources.com/ket.co