The JCC1805T1910S10 from JQL Electronics is a RF & Microwave Circulator with Frequency 1.8 to 1.91 GHz, Average Power Forward 100 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -30 to 75 Degree C. Tags: Coaxial Circulator. More details for JCC1805T1910S10 can be seen below.