The T2YL3 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.35 to 2.5 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.3 dB, Isolation 22 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T2YL3 can be seen below.