The S 215 SMCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 2.1 to 2.2 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Surface Mount Circulator. More details for S 215 SMCCW can be seen below.