The SFI0206S from Fairview Microwave is a RF & Microwave Isolator with Frequency 2 to 6 GHz, Average Power Forward 20 W, Average Power Reverse 2 W, Peak Power Forward 0.04 kW, Insertion Loss 0.8 dB. Tags: Module with Connector, Coaxial Isolator. More details for SFI0206S can be seen below.