RP-TNC male connector for use with LMR-240, WBC-240, or RG-8/X 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. Center pin is captive, and outer ring is crimp (.255 crimp tool needed).