The COIU6U80420G1 from Cernex Inc is a RF & Microwave Isolator with Frequency 690 to 800 MHz, Average Power Forward 150 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COIU6U80420G1 can be seen below.