The T4YX2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 4.85 to 5.35 GHz, Average Power 20 W, Average Power Forward 20 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for T4YX2 can be seen below.