The JCD5150T5650G2 from JQL Electronics is a RF & Microwave Circulator with Frequency 5.15 to 5.65 GHz, Average Power Forward 20 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 75 Degree C. Tags: Drop-in Circulator. More details for JCD5150T5650G2 can be seen below.