The CMIIM8590 from Quantic Corry is a RF & Microwave Isolator with Frequency 8.5 to 9 GHz, Bandwidth 500 MHz, Average Power Forward 15 W, Average Power Reverse 3 W, Insertion Loss 0.5 dB. Tags: Surface Mount, Microstrip Isolator. More details for CMIIM8590 can be seen below.