The ACC-20250 from Atlantic Microwave is a RF & Microwave Circulator with Frequency 10.7 to 12.75 GHz, Average Power Forward 5 W, Insertion Loss 0.4 dB, Isolation 23 dB, Operating Temperature -30 to 65 Degree C. Tags: Coaxial Circulator. More details for ACC-20250 can be seen below.