The UIYCDC2415A from UIY Inc. is a RF & Microwave Circulator with Frequency 12 to 20 GHz, Average Power Forward 60 W, Average Power Reverse 60 W, Insertion Loss 0.6 dB, Isolation 45 dB. Tags: Coaxial Circulator. More details for UIYCDC2415A can be seen below.