The SFI0818 from Fairview Microwave is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 1 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for SFI0818 can be seen below.