The 100025570 from Telegartner is a In Series RF Adapter with Frequency DC to 6 GHz, Contact Resistance 3 mOhms(Center contact), 2 mOhms(Outer contact), Insulation Resistance 1 GOhms, Mating Cycles 100 Cycles, Return Loss 28 to 38 dB. More details for 100025570 can be seen below.