The T1XV6 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power 1 W, Average Power Forward 1 W, Peak Power 500 W, Insertion Loss 0.3 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1XV6 can be seen below.