The T5YD1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.25 to 5.85 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Microstrip, Microstrip Isolator. More details for T5YD1 can be seen below.