The UIYBCI1220A from UIY Inc. is a RF & Microwave Isolator with Frequency 12 to 18 GHz, Average Power Forward 60 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 18 dB. Tags: Module with Connector, Coaxial Isolator. More details for UIYBCI1220A can be seen below.