The UIYBCC14272A from UIY Inc. is a RF & Microwave Circulator with Frequency 1 to 2 GHz, Average Power Forward 300 W, Average Power Reverse 300 W, Insertion Loss 1.4 dB, Isolation 32 dB. Tags: Coaxial Circulator. More details for UIYBCC14272A can be seen below.