This TygerWire RG621100BUL 100-Ft RG6 Coaxial Cable is professional-quality cable with 18 gauge copper clad steel center conductor. Cable also swept-tested to 3000MHz(3GHz). This cable heavily 60% shielded with 100% foiled to minimize interference. Copper clad steel conductor maxima the cable length you can run. Cable is UL rated for in-wall installation.