The JCD3300T3500G6 from JQL Electronics is a RF & Microwave Circulator with Frequency 3.3 to 3.5 GHz, Average Power Forward 60 W, Insertion Loss 0.3 dB, Isolation 23 dB, Operating Temperature -35 to 85 Degree C. Tags: Drop-in Circulator. More details for JCD3300T3500G6 can be seen below.