The 225-108J-52S from Amphenol RF is a RF Connector with Frequency DC to 20 GHz, Operating Temperature -40 to 85 Degree C, PIM -166 dBc @ 2 x 20 W, Power 250 W, Return Loss 30 to 38 dB. Tags: Standard. More details for 225-108J-52S can be seen below.