The T1AZ6 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.375 to 1.535 GHz, Average Power 5 W, Average Power Forward 5 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for T1AZ6 can be seen below.