The D3I0780 from DiTom Microwave is a RF & Microwave Isolator with Frequency 700 to 800 MHz, Average Power 300 W, Average Power Forward 300 W, Peak Power Forward 2 kW, Insertion Loss 0.4 dB. Tags: Module with Connector, Coaxial Isolator. More details for D3I0780 can be seen below.