The T8XW1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 7.75 to 22.25 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 1.6 dB, Isolation 11 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T8XW1 can be seen below.