The S 290 CICWH from Southern Microwave Inc is a RF & Microwave Isolator with Frequency 2.7 to 3.1 GHz, Average Power Forward 100 W, Average Power Reverse 40 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for S 290 CICWH can be seen below.