The X 815 SMCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 7.9 to 8.4 GHz, Average Power Forward 30 W, Average Power Reverse 30 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for X 815 SMCCW can be seen below.