18AWG RG6/U CATV plenum coaxial cable with 2 foil and 60/40% aluminum braid. It features1 8AWG (1/.040) solid bare copper conductor, foam FEP color natural dielectric, bonded aluminum/polyester/aluminum foil with 60% aluminum braid and aluminum/polyester/aluminum foil with 40% aluminum braid. Jacket is made of low smoke PVC.