The DCC8001200B from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 8 to 12 GHz, Average Power Forward 10 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -30 to 70 Degree C. Tags: Coaxial Circulator. More details for DCC8001200B can be seen below.