The T2AY4 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.1 to 2.17 GHz, Average Power 50 W, Average Power Forward 50 W, Peak Power 500 W, Insertion Loss 0.3 dB. Tags: Drop-In, Drop-In Isolator. More details for T2AY4 can be seen below.