The RI2528BS-025060 from ZTS Technologies is a RF & Microwave Isolator with Frequency 2.5 to 6 GHz, Average Power Forward 60 W, Average Power Reverse 20 W, Insertion Loss 0.9 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for RI2528BS-025060 can be seen below.