RP-TNC male connector for use with LMR-100A, WBC-100, or RG-316 Coax cable. They are used for a wide variety of radio connections to terminate coax at a Female RP-TNC jack. These are the most common connector for ISM radios sold. Some examples of radios that use the RP-TNC fitting would be Cisco Aironet, Linksys, Proxim and ArLan. The body plating is Nickel, the center pin is Gold and the dielectric is Teflon.