The SFC1826 from Fairview Microwave is a RF & Microwave Circulator with Frequency 18 to 26.5 GHz, Average Power Forward 25 W, Insertion Loss 0.6 dB, Isolation 17 dB, Operating Temperature -20 to 60 Degree C. Tags: Coaxial Circulator. More details for SFC1826 can be seen below.