Impact Acoustics Dual RG6/U Quad Shield is ideal for antenna, cable television and satellite installations. Make two cable runs at one time for dual LNB satellite or satellite and antenna installations. This cable is 18AWG copper clad steel center conductor surrounded by a foam polyethylene dielectric. A bonded aluminum foil and 60% aluminum braid over another foil and 40% aluminum braid provide 100% shield coverage. This UL listed cable meets UL and CUL specifications for CL1, CL2, CM, CMX and CMG installations. Swept tested to 3GHz to ensure performance at applicable frequencies. To help you keep track of cable used, the cable jacket is sequentially marked every two feet.