The CMICM3140 from Quantic Corry is a RF & Microwave Circulator with Frequency 3.1 to 4.0 GHz, Bandwidth 30%, Average Power Forward 30 W, Average Power Reverse 3 W, Insertion Loss 0.6 dB. Tags: Microstrip Circulator. More details for CMICM3140 can be seen below.