The T5XN21 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.85 to 6.65 GHz, Average Power 35 W, Average Power Forward 35 W, Insertion Loss 0.1 dB, Isolation 20 dB. Tags: Microstrip, Microstrip Isolator. More details for T5XN21 can be seen below.