The 122377 from Amphenol Aerospace Operations is cable mount threaded TNC connector, jack with female socket 50 Ohms impedance, 11 GHz max frequency and crimp contact/shield termination. This connector has phosphor bronze center contact with gold plating, polytetrafluoroethylene (PTFE) dielectric and brass body with nickel finish. The 122377 is TNC connector for cable group: RG-179, 188, 316 Double Braid, M17/152-RD316. Operating temperature range is from -40°C to 155°C.