The S 395 CICWH from Southern Microwave Inc is a RF & Microwave Isolator with Frequency 3.7 to 4.2 GHz, Average Power Forward 100 W, Average Power Reverse 40 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for S 395 CICWH can be seen below.