The T3XU1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 3.1 to 3.5 GHz, Average Power 25 W, Average Power Forward 25 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for T3XU1 can be seen below.