The 75 ohm coaxial cable with F-type connectors is still commonly used with external ATSC television antennas, satellite receivers, cable modems, and many other types of equipment. For best results with your RF connection, use these high-quality Quad-Shielded RG-6 Coaxial Cables from Monoprice!This cable is constructed with 75 ohm RG-6 coax, which uses two layers of copper braiding and two layers of aluminum foil to protect the data integrity from any stray RFI or EMI signals. This cable features gold plated F-type connectors with molded connector heads and strain relief boots for maximum durability and a lifetime of service. The CL2 rating on this cable indicates that it complies with fire safety codes and insurance requirements, making it safe for use inside the walls of residential class buildings.*** 30-day easy returns. No restocking fee. Free lifetime technical support. Limited lifetime warranty. ***