The JCC7000T8000S1 from JQL Electronics is a RF & Microwave Circulator with Frequency 7 to 8 GHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -30 to 80 Degree C. Tags: Coaxial Circulator. More details for JCC7000T8000S1 can be seen below.