The 134-1000-009 from Cinch Connectivity Solutions is a Between Series RF Adapter with Contact Resistance 4 Mohms (Center Contact), 2.5 Mohms (Outer Contact), Frequency DC to 46 GHz, Insertion Loss 0.3 dB, Mating Cycles 500 Cycles, Insulation Resistance 5000 Mohms. More details for 134-1000-009 can be seen below.