The DDC201202S from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 2.010 to 2.025 GHz, Average Power Forward 100 W, Insertion Loss 0.25 dB, Isolation 28 dB, Operating Temperature -40 to 85 Degree C. Tags: Drop-in Circulator. More details for DDC201202S can be seen below.