West Penn 6450 is a Single Conductor, RG6/U, 12Ghz, HD-SDI, CMR Riser Rated, 75 Ohm Coaxial Video Cable. It features an 18AWG Solid, Silver Copper conductor with PE - Polyethylene (Foam) insulation and 100% Tape Tri-Laminate (Alum+Poly+Alum) and 95% Tinned Copper Braid shield.