The D3I1213 from DiTom Microwave is a RF & Microwave Isolator with Frequency 11.7 to 12.7 GHz, Average Power 10 W, Average Power Forward 10 W, Average Power Reverse 2 W, Peak Power Forward 0.05 kW. Tags: Module with Connector, Coaxial Isolator. More details for D3I1213 can be seen below.