The 2234000G001-505 from Delta Electronics Manufacturing Corp. is a Between Series RF Adapter with Contact Resistance 3 to 5 mOhms, Frequency DC to 3 GHz / DC to 8.5 GHz, Mating Cycles 5000 Cycles, Insulation Resistance 500 MOhms, Temperature -65 to 125 Degree C. More details for 2234000G001-505 can be seen below.