The RMAD.IS.SMA27ff4HFa from Response Microwave Inc is a In Series RF Adapter with Frequency DC to 27 GHz, Insertion Loss 0 to 0.18 dB, Mating Cycles 500 Cycles, Temperature -60 to 165 Degree C. More details for RMAD.IS.SMA27ff4HFa can be seen below.