The 134-1001-003 from Cinch Connectivity Solutions is a Between Series RF Adapter with Contact Resistance 6 mOhms, Frequency DC to 26.5 GHz, Insertion Loss 0.61 dB, Mating Cycles 100 to 500 Cycles, Insulation Resistance 5000 MOhms. More details for 134-1001-003 can be seen below.