The T7YJ4 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 7.1 to 8.8 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Operating Temperature -20 to 70 Degree C. Tags: Drop-In, Drop-In Isolator. More details for T7YJ4 can be seen below.