The DCC180188-3 from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 1.85 to 1.88 GHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Coaxial Circulator. More details for DCC180188-3 can be seen below.