Product Name: 3PCS SO239 UHF Female Nut Bulkhead Panel Mount Straight Socket with UHF Handle Clip Bridge Clip Solder Post Coaxial Conectors; Outer Conductor Connector: Female | Connector Body Type: Straight Connector Center Conductor: Jack | Impedance: 50 ohms | Frequency range: 3 GHz; Body material: brass | Body Plating: Nickel Plated | >1000 times mating life; Widely used for CB radios, antenna switches, audio, video, mobile radio, test equipment, PA systems, Wi-Fi -Fi, telecommunications, coaxial cables, wireless LAN devices, CCTV, microwave applications and digital communication system;