The D3I1530 from DiTom Microwave is a RF & Microwave Isolator with Frequency 1.5 to 3 GHz, Average Power Forward 30 W, Average Power Reverse 2 W, Peak Power 0.04 kW, Insertion Loss 0.7 dB. Tags: Module with Connectors, Coaxial Isolator. More details for D3I1530 can be seen below.