The ZCI18S-2-3-100A from ZTS Technologies is a RF & Microwave Isolator with Frequency 2 to 3 GHz, Average Power Forward 100 W, Average Power Reverse 20 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Coaxial Isolator. More details for ZCI18S-2-3-100A can be seen below.