The D4I4080Y from DiTom Microwave is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 30 W, Average Power Reverse 2 W (Reflective), Peak Power 50 W, Insertion Loss 0.8 dB. Tags: Module with Connector, Coaxial Isolator. More details for D4I4080Y can be seen below.