The JCC0876T0880S15 from JQL Electronics is a RF & Microwave Circulator with Frequency 876 to 880 MHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 25 dB, Operating Temperature -30 to 75 Degree C. Tags: Coaxial Circulator. More details for JCC0876T0880S15 can be seen below.