The FMCR1028 from Fairview Microwave is a RF & Microwave Circulator with Frequency 22 to 33 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 1.7 dB, Isolation 13 dB. Tags: Coaxial Circulator. More details for FMCR1028 can be seen below.