The UIYBCI14272A from UIY Inc. is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Average Power Forward 100 to 300 W, Average Power Reverse 30 W, Insertion Loss 1.4 dB, Isolation 32 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYBCI14272A can be seen below.