The JCC1200T1400S6 from JQL Electronics is a RF & Microwave Circulator with Frequency 1.2 to 1.4 GHz, Average Power Forward 60 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for JCC1200T1400S6 can be seen below.