Belden 1532A RG-6 Direct Burial Underground Coaxial Cable 18 AWG Copper-Clad Conductor 250 ft. USA Optimized for outdoor or direct burial applications Signal purity is maintained via low capacitance construction 18 AWG 0.040&quot; bare copper-covered steel conductor Duobond II + aluminum braid shield (90% coverage) resists interference 75 ohm nominal impedance is ideal for audio and video