The 5P9F06S-P3M from Shenzhen Superlink Technology is a Between Series RF Adapter with Contact Resistance 2 to 3 mOhms, Frequency DC to 26.5 GHz, Insertion Loss 0.25 dB, Mating Cycles 500 Cycles, Insulation Resistance 5000 MOhms. More details for 5P9F06S-P3M can be seen below.