The JCD0876T0880M15 from JQL Electronics is a RF & Microwave Circulator with Frequency 876 to 880 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 JCD0876T0880M15 can be seen below.