The C9ZD2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9.5 to 10.5 GHz, Average Power 50 W, Average Power Forward 50 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for C9ZD2 can be seen below.