The JCD0876T0880M10-II from JQL Electronics is a RF & Microwave Circulator with Frequency 876 to 880 MHz, Average Power Forward 100 W, Insertion Loss 0.35 dB, Isolation 20 dB, Operating Temperature -20 to 85 Degree C. Tags: Drop-in Circulator. More details for JCD0876T0880M10-II can be seen below.