The ADP-NF-NF-B-W from Linx Technologies is a In Series RF Adapter with Frequency DC to 11 GHz, Contact Resistance Center: =1.5 mOhms, Outer: =0.5 mOhms, Insertion Loss -0.35 to -0.11 dB, Mating Cycles 500 Cycles, Temperature -65 to 165 Degree C. More details for ADP-NF-NF-B-W can be seen below.