The F1616 from WENTEQ Microwave Corp is a RF & Microwave Circulator with Frequency 2 to 2.8 GHz, Average Power Forward 200 to 2000 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -90 Degree C. Tags: Drop-in Circulator. More details for F1616 can be seen below.