The UIYCDI9678A from UIY Inc. is a RF & Microwave Isolator with Frequency 250 MHz to 1.3 GHz, Average Power Forward 400 W, Average Power Reverse 250 W, Insertion Loss 0.6 dB, Isolation 50 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYCDI9678A can be seen below.