The JCC3300T3800S10 from JQL Electronics is a RF & Microwave Circulator with Frequency 3.3 to 3.8 GHz, Average Power Forward 100 W, Insertion Loss 0.4 dB, Isolation 21 dB, Operating Temperature -30 to 75 Degree C. Tags: Coaxial Circulator. More details for JCC3300T3800S10 can be seen below.