The Extron RG6-4 BNC Series is our highest resolution, lowest loss cable. It is ideal for the most demanding applications involving lengthy runs of high resolution analog video signals and is also the preferred cable for SDI or HD-SDI signal transmission. Constructed of four 18 AWG, coaxial conductors terminated with 75 ohm BNC connectors, RG6-4 BNC cable can be used in a variety of configurations with any computer, video, or audio-visual component.