The C 550 DCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 5 to 6 GHz, Average Power Forward 50 W, Average Power Reverse 50 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for C 550 DCCW can be seen below.