The T1JD2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.7 to 2.2 GHz, Average Power 10 W, Average Power Forward 10 W, Peak Power 2 W, Insertion Loss 0.8 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1JD2 can be seen below.