The T7XA1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 7.75 to 18.25 GHz, Average Power 0.1 W, Average Power Forward 0.1 W, Insertion Loss 0.9 dB, Isolation 15 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T7XA1 can be seen below.