The ZCI20S-10.7-12.8-30A from ZTS Technologies is a RF & Microwave Isolator with Frequency 10.7 to 12.8 GHz, Average Power Forward 30 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature 10 to 60 Degree C. Tags: Coaxial Isolator. More details for ZCI20S-10.7-12.8-30A can be seen below.