The 9907 E4X500 is a Coaxial Cable with stranded tinned copper conductor and foam polyethylene insulation. This RG58A coaxial cable comes with a grey PVC jacket, Duofoil® bonded aluminium foil-polyester tape shield (100% coverage) and Duobond® II tinned copper braid shield (93% coverage). The Duobond II (foil/braid) is a laminated shielding tape consisting of aluminium foil with an extra layer of heat-sensitive adhesive bonding the foil shield to the dielectric core. This foil shield provides 100% coverage and ensures maximum shield protection with an outer braid applied for greater protection against interference and to increase the overall tensile strength. 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.