The SFI1722S from Fairview Microwave is a RF & Microwave Isolator with Frequency 1.7 to 2.2 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for SFI1722S can be seen below.