UST90408, UST90816, UST91632S, UST93264S, the multichannel broadcasting video splitter/ distributors have gain and impedence termination, Low Pass Filter ( LPF) video filtering, broadcasting distribution and ground loop isolation circuits, which are professionally designed for CCTV video transmission and video distribution applications which are required high performance video signal restoration over coaxal cable. BNC-F input / output for video signal video ground loop isolation video filter for 0-6MHz Low Pass Filter ( LPF) 0-12dB Vairable Gain Control ( VGA) - gain block 3 dominant poles weighted pre-emphesis/ equaliziers at 1M/ 2.2M/ 3.58M - E.Q. block ( optional) signal clamping, transient surge and ESD protecion 1to2 port broadcast splitting/ distribution up to 1000m transmission distance over coaxal cable ( 75-5) build in power supply, fulse and power switch whole metal case