The JCM0902T0928S10R from JQL Electronics is a RF & Microwave Circulator with Frequency 902 to 928 MHz, Average Power Forward 100 W, Insertion Loss 0.35 dB, Isolation 20 dB, Operating Temperature -30 to 75 Degree C. Tags: Surface Mount Circulator. More details for JCM0902T0928S10R can be seen below.