The C9ZH1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9.2 to 9.9 GHz, Average Power 20 W, Average Power Forward 20 W, Insertion Loss 0.8 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C9ZH1 can be seen below.