The CMICM4045 from Quantic Corry is a RF & Microwave Circulator with Frequency 4.0 to 4.5 GHz, Bandwidth 30%, Average Power Forward 30 W, Average Power Reverse 3 W, Insertion Loss 0.5 dB. Tags: Microstrip Circulator. More details for CMICM4045 can be seen below.