The 890-152166-501 from M2 Global Technology is a RF & Microwave Circulator with Frequency 1.52 to 1.66 GHz, Average Power Forward 150 W, Insertion Loss 0.3 dB, Operating Temperature -20 to 70 Degree C. Tags: Drop-in Circulator. More details for 890-152166-501 can be seen below.