The JCC3000T3500N2 from JQL Electronics is a RF & Microwave Circulator with Frequency 3 to 3.5 GHz, Average Power Forward 20 W, Insertion Loss 0.5 dB, Isolation 19 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for JCC3000T3500N2 can be seen below.