SO239 Bulkhead Connector UHF Female Nut Bulkhead Handle Deck Clip Solder Cup Panel Mount Straight Connector 3pcs Description: Originally intended for use as a video connector in radar applications, UHF coaxial connectors are general purpose units developed for use in low frequency systems from 0.6 - 300 MHz.Invented for use in the radio industry in the 1930?s, UHF is an acronym for Ultra High Frequency because at the time 301 MHz was considered high frequency. UHF connectors feature a threaded coupling. UHF connectors are popularly used because of its ease of assembly. The UHF solderable screw-on termination feature requires no specialized crimping tools. Features and Benefits Optional reducing adapters accommodate a wide range of popular coaxial cables Solder termination types require no special assembly tools Crimp termination types provide a lower cost installation method Large-size threaded coupling is a rugged design Non-demanding specifications and low cost Applications Antennas Military Public Address Systems Low-Frequency Applications Impedance:50 OhmBody Plating:Nickel-platedFrequency Range:3GHzPackage included: 3pcs SO239 (UHF female) Nut bulkhead solder connectorsApplication:Replace it on a three way antenna switch, OR Widely used for CB radios, public address systems, audio, video, mobile radio, and test equipment,antennas, broadcast, Wi-Fi, telecom, coaxial cable, wireless LAN Devices, CCTV, Microwave Applications and Digital Communication System