The ZCI15S-2-6-20A from ZTS Technologies is a RF & Microwave Isolator with Frequency 2 to 6 GHz, Average Power Forward 20 W, Average Power Reverse 10 W, Insertion Loss 0.8 dB, Isolation 15 dB. Tags: Coaxial Isolator. More details for ZCI15S-2-6-20A can be seen below.