The JCM0920T0960S10R from JQL Electronics is a RF & Microwave Circulator with Frequency 920 to 960 MHz, Average Power Forward 100 W, Insertion Loss 0.35 dB, Isolation 23 dB, Operating Temperature -30 to 75 Degree C. Tags: Surface Mount Circulator. More details for JCM0920T0960S10R can be seen below.