The JCD0921T0925M15 from JQL Electronics is a RF & Microwave Circulator with Frequency 921 to 925 MHz, Average Power Forward 150 W, Insertion Loss 0.22 dB, Isolation 22 dB, Operating Temperature -20 to 85 Degree C. Tags: Drop-in Circulator. More details for JCD0921T0925M15 can be seen below.