The UIYBCI2122A from UIY Inc. is a RF & Microwave Isolator with Frequency 4 to 8 GHz, Average Power Forward 100 W, Average Power Reverse 20 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYBCI2122A can be seen below.