The COIU8U80325G1 from Cernex Inc is a RF & Microwave Isolator with Frequency 820 to 840 MHz, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for COIU8U80325G1 can be seen below.