The CMIIM4852 from Quantic Corry is a RF & Microwave Isolator with Frequency 4.8 to 5.2 GHz, Bandwidth 400 MHz, Average Power Forward 30 W, Average Power Reverse 3 W, Insertion Loss 0.5 dB. Tags: Surface Mount, Microstrip Isolator. More details for CMIIM4852 can be seen below.