Digiwave RG5821500B 500Ft RG58 Coaxial Cable is professional-quality cable with 23 gauge copper clad 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. Copper clad steel conductor maxima the cable length you can run. Cable jacket is sequentially marked to keep track of cable used.Features / Specification Copper clad steel center conductor Gas expanded polyethylene dielectric Swept tested to 3000MHz(3GHz) Foamed dielectric provides ease of handling and improved electrical performance Extra foiled coverage for optimal signal protection 60% shield with 100% foiled to minimize interference Supplied in Reel-in-Box for easy pulling and fewer kinks