The 134-1000-023 from Cinch Connectivity Solutions is a Between Series RF Adapter with Connector Length 0.820 Inches, Contact Resistance 4 mOhms (Center), 2.5 mOhms (Outer), Frequency DC to 46.5 GHz, Mating Cycles 500 Cycles, Insulation Resistance 5000 MOhms. More details for 134-1000-023 can be seen below.