The CMICM2731 from Quantic Corry is a RF & Microwave Circulator with Frequency 2.7 to 3.1 GHz, Bandwidth 30%, Average Power Forward 30 W, Average Power Reverse 3 W, Insertion Loss 0.4 dB. Tags: Microstrip Circulator. More details for CMICM2731 can be seen below.