The T1YP1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.435 to 1.54 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.2 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1YP1 can be seen below.