The 30.050.003-006 from CPE Italia S.p.a. is a In Series RF Adapter with Frequency DC to 7.5 GHz, Contact Resistance 0.4 mOhms(Center Contact Resistance), 1.5 GOhms(Outer Contact Resistance), Insulation Resistance 10 GOhms, Mating Cycles 500 Cycles, Temperature -55 to 155 Degree C. More details for 30.050.003-006 can be seen below.