The T1ZU11 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.477 to 1.513 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 22 dB. Tags: Drop-In, Drop-In Isolator. More details for T1ZU11 can be seen below.