The T5YJ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.925 to 6.425 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for T5YJ1 can be seen below.