The FMAD1618 from Fairview Microwave is a Between Series RF Adapter with Frequency DC to 40 GHz, Insertion Loss 0.0.79 to 0.316 dB, Mating Cycles 500 Cycles, Insulation Resistance 5000 MOhms, Temperature -55 to 105 Degree C. More details for FMAD1618 can be seen below.