The S 325 SMCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 3 to 3.5 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for S 325 SMCCW can be seen below.