The T8YC1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 8.5 to 10.5 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T8YC1 can be seen below.