The DBCL4002700370A from Qotana is a RF & Microwave Circulator with Frequency 2.7 to 3.7 GHz, Average Power Forward 50 W, Peak Power 500 W, Insertion Loss 0.6 dB, Isolation 40 dB. Tags: Coaxial Circulator. More details for DBCL4002700370A can be seen below.