RG6U Quad Shield 3.0 GHz Coaxial Cable Digital HDTV CATV and Digital Satellite (SMATV) Applications Fully Sweep-Tested to 3000MHz True 18 AWG ( 1.02 mm) Solid Copper-Clad Steel Conductor 1st Shield - Bonded Aluminum Foil 2nd Shield- True 60% Aluminum Braid Shield 5x16x 0.16 mm 3rd Shield - Unbonded Aluminum Foil 4th True 40% Aluminum Braid Shield 4x16x 0.16 mm Gas Injected Foam Polyethylene Insulation Dielectric PVC Flame Retardant CM Rated Jacket CM/CATV ETL Listed, RoHS Compliant Sequential Length Markings on Jacket