The D4I8018 from DiTom Microwave is a RF & Microwave Isolator with Frequency 8 to 18 GHz, Average Power 10 W, Average Power Forward 10 W, Average Power Reverse 2 W, Peak Power Forward 0.03 kW. Tags: Module with Connector, Coaxial Isolator. More details for D4I8018 can be seen below.