TygerWire RG6511000W 1000-feet RG6/U Coaxial Cable is professional-quality cable with 18 gauge copper covered steel center conductor. Cable also swept-tested to 3000MHz(3GHz) to assure excellent off-the-reel performance. This cable heavily 60% shielded with 100% foiled to minimize interference. Solid bare copper clad steel conductor maxima the cable length you can run. Cable is fire rated FT4/CMR, UL & CSA approved for in-wall installation.