The 30.112.403-011 from CPE Italia S.p.a. is a In Series RF Adapter with Frequency DC to 3 GHz, Contact Resistance 0.25 mOhms(Center Contact Resistance), 0.08 GOhms(Outer Contact Resistance), Insulation Resistance 10 GOhms, Mating Cycles 50 Cycles, Power 1 to 8.5 kW. More details for 30.112.403-011 can be seen below.