The UIYCDI11256A from UIY Inc. is a RF & Microwave Isolator with Frequency 140 to 300 MHz, Bandwidth 24 MHz, Average Power Forward 300 W, Average Power Reverse 30 W, Insertion Loss 0.8 dB. Tags: Module with Connectors, Coaxial Isolator. More details for UIYCDI11256A can be seen below.