The T-5NCF06S-P3M from Shenzhen Superlink Technology is a Between Series RF Adapter with Contact Resistance 0.2 to 1 mOhms, Frequency DC to 18 GHz, Insertion Loss 0.42 dB, Mating Cycles 500 Cycles, Insulation Resistance 1000 MOhms. More details for T-5NCF06S-P3M can be seen below.