The C9YF3 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9 to 10 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 25 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C9YF3 can be seen below.