The T5AK1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 5.2 to 5.4 GHz, Average Power 0.1 W, Average Power Forward 0.1 W, Insertion Loss 0.5 dB, Isolation 16 dB. Tags: Microstrip, Microstrip Isolator. More details for T5AK1 can be seen below.