The JCC6700T7100S1 from JQL Electronics is a RF & Microwave Circulator with Frequency 6.7 to 7.1 GHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 75 Degree C. Tags: Coaxial Circulator. More details for JCC6700T7100S1 can be seen below.