The DCC12001800B from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 12 to 18 GHz, Average Power Forward 10 W, Insertion Loss 0.6 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for DCC12001800B can be seen below.