The VGA Balun II eliminates costly and bulky VGA cable, allowing a VGA source to be connected to a VGA monitor via one 4-pair Cat 5 unshielded twisted pair UTP cable.Used in pairs, the VGA Balun II allows VGA video to be transmitted up to 350ft via Cat 5 at 800 x 600 resolution. The products feature a reset button that may be required when using certain displays, Doesn't support DDC handshake.The VGA Balun II works in conjunction with laptops, PCs, plasmas, CRT, LCD monitors and DLP projectors. Typical applications include digital signage, boardroom systems, classroom video instruction and custom audio-video systems.