The QASZ from Qualwave is a Between Series RF Adapter with Contact Resistance 2 to 5 mOhms(Outer), 3 to 5 mOhms(Center), Frequency DC to 1 GHz, Mating Cycles 500 Cycles, Temperature -45 to 125 Degree C, Voltage Rating 1000 V (RMS). More details for QASZ can be seen below.