The DCC135270B from DEEWAVE Electronics is a RF & Microwave Circulator with Frequency 1.35 to 2.7 GHz, Average Power Forward 20 W, Insertion Loss 0.6 dB, Isolation 17 dB, Operating Temperature 0 to 60 Degree C. Tags: Coaxial Circulator. More details for DCC135270B can be seen below.