The C 740 DCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 6.4 to 8.4 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 740 DCCW can be seen below.