The T7YB4 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 7.125 to 7.725 GHz, Average Power 15 W, Average Power Forward 15 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Microstrip, Microstrip Isolator. More details for T7YB4 can be seen below.