The UIYBCI3434F from UIY Inc. is a RF & Microwave Isolator with Frequency 1.225 to 1.875 GHz, Average Power Forward 100 to 300 W, Average Power Reverse 30 W, Insertion Loss 0.6 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYBCI3434F can be seen below.