The T9YW1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 9.5 to 15.5 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 1 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T9YW1 can be seen below.