The JC2C0144T0148N1 from JQL Electronics is a RF & Microwave Circulator with Frequency 144 to 148 MHz, Average Power Forward 150 W, Insertion Loss 1.2 dB, Isolation 36 dB, Operating Temperature 0 to 60 Degree C. Tags: Coaxial Circulator. More details for JC2C0144T0148N1 can be seen below.