The SFC1722SA from Fairview Microwave is a RF & Microwave Circulator with Frequency 1.7 to 2.2 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Coaxial Circulator. More details for SFC1722SA can be seen below.