The JCC1500T1600N6 from JQL Electronics is a RF & Microwave Circulator with Frequency 1.5 to 1.6 GHz, Average Power Forward 60 W, Insertion Loss 0.35 dB, Isolation 21 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for JCC1500T1600N6 can be seen below.