The DDC188192-1 from Deewave is a RF & Microwave Circulator with Frequency 1.88 to 1.92 GHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for DDC188192-1 can be seen below.