The D3I0112 from DiTom Microwave is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power 200 W, Average Power Forward 200 W, Average Power Reverse 2 W, Peak Power Forward 0.5 kW. Tags: Module with Connector, Coaxial Isolator. More details for D3I0112 can be seen below.