The JCD0148T0156G15 from JQL Electronics is a RF & Microwave Circulator with Frequency 148 to 156 MHz, Average Power Forward 150 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature 0 to 60 Degree C. Tags: Drop-in Circulator. More details for JCD0148T0156G15 can be seen below.