The UIYBCI3434A from UIY Inc. is a RF & Microwave Isolator with Frequency 800 MHz to 1 GHz, Average Power Forward 100 to 300 W, Average Power Reverse 30 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYBCI3434A can be seen below.