The JCM2110T2170S10R-II from JQL Electronics is a RF & Microwave Circulator with Frequency 2.11 to 2.17 GHz, Average Power Forward 100 W, Insertion Loss 0.35 dB, Isolation 23 dB, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount Circulator. More details for JCM2110T2170S10R-II can be seen below.