The D4I1218 from DiTom Microwave is a RF & Microwave Isolator with Frequency 12 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 D4I1218 can be seen below.