The CI-750-404 from RF & Noise Components is a RF & Microwave Isolator with Frequency 700 to 800 MHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.4 to 0.5 dB, Isolation 20 to 23 dB. Tags: Module with Connector, Coaxial Isolator. More details for CI-750-404 can be seen below.