The 292FST.SMPF.N.XS from Taoglas is a Between Series RF Adapter with Return Loss 17.692 dB, Frequency DC to 40 GHz, Insertion Loss 0.32 dB, Mating Cycles 500 Cycle, Insulation Resistance 1000 Mohms. More details for 292FST.SMPF.N.XS can be seen below.