The 1505A 0101000 is a Coaxial Cable with 20AWG solid bare copper conductor and a gas-injected foam high density polyethylene insulation. This 1506A plenum coax-RG-59/U type cable comes with a black PVC jacket, Duofoilr aluminum foil-polyester tape shield and tinned copper braid shield (95% coverage). The Duofoilr is a shield in which metallic foil is applied to both sides of a supporting polyester film. The coaxial cable is perhaps the most common, basic and easy-to-understand cables. Basically, this cable is used to transmit electrical energy or signals, from one location to another, to connect a source to a load, such as a transmitter to an antenna.