The AD-NJ225P-1 from Amphenol RF is a Between Series RF Adapter with Return Loss 30 to 34 dB, PIM -160 dBc @ 2 x 43 dBm, Frequency DC to 6 GHz, Mating Cycles 100 Cycles, Insulation Resistance 5000 Mohms. More details for AD-NJ225P-1 can be seen below.