The 8218-BLK-500 is a 75 Ohm miniature coaxial cable provided in a 500 ft length. It is constructed with a 27 AWG (7x35) stranded bare copper-covered steel conductor, polyethylene insulation, and a black PVC outer jacket. A tinned copper braid shield provides 93% coverage to protect against signal interference. This cable is rated for an operating temperature range of -40°C to +60°C and is ideal for various internal wiring and signal transmission applications requiring a compact, 75 Ohm solution.