The D4I5459 from DiTom Microwave is a RF & Microwave Isolator with Frequency 5.4 to 5.9 GHz, Average Power 20 W, Average Power Forward 20 W, Average Power Reverse 2 W, Peak Power Forward 0.02 kW. Tags: Module with Connector, Coaxial Isolator. More details for D4I5459 can be seen below.