The RI2123BS-040080 from ZTS Technologies is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 60 W, Average Power Reverse 20 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for RI2123BS-040080 can be seen below.