The 2234000K001-194 from Delta Electronics Manufacturing Corp. is a Between Series RF Adapter with Contact Resistance 1.5 to 6 mOhms (Outer, Center), Frequency DC to 12.4 GHz, Insertion Loss 0.30 dB, Mating Cycles 500 Cycles, Insulation Resistance 1000 MOhms. More details for 2234000K001-194 can be seen below.