The T8YC9 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9.9 to 10.1 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 22 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T8YC9 can be seen below.