The ADP-SMAM-SMBF-G from Linx Technologies is a Between Series RF Adapter with Contact Resistance Center: <6.0 mOhms Outer: <2.0 mOhms, Frequency DC to 4 GHz, Insertion Loss 0.08 to 0.21 dB, Mating Cycles 500 Cycles, Temperature -65 to 165 Degree C. More details for ADP-SMAM-SMBF-G can be seen below.