The UIYCDI7038A from UIY Inc. is a RF & Microwave Isolator with Frequency 300 MHz to 1.3 GHz, Average Power Forward 300 W, Average Power Reverse 30 W, Insertion Loss 0.6 dB, Isolation 55 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYCDI7038A can be seen below.