Kramer Electronics VP-12N is a high performance distribution amplifier for computer graphics video signals. It takes one input, provides correct buffering and isolation, and distributes the signal to 12 computer graphics outputs on 15-pin HD connectors and three twisted pair outputs. Paired Receivers: PT-120, TP-105, TP-120, VP-5R. Bandwidth - 330MHz (-3dB) on 15pin HD; 156MHz (CAT 5). HDTV Compatible. Twisted Pair Connectors - RJ-45 connectors. Control - RGB Level (Gain), ID bit. Twisted Pair Output - Requires a computer graphics video Twisted Pair receiver to convert the Twisted Pair signal back into a computer graphics video signal. System Range (Twisted Pair) - Up to 100 meters (300feet). Cable (Twisted Pair) - UTP (unshielded twisted pair) such as CAT 5. Standard 19inch Rack Mount Size - 1U.