The UIYBCC6434A from UIY Inc. is a RF & Microwave Circulator with Frequency 2 to 4 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 1.2 dB, Isolation 36 dB. Tags: Coaxial Circulator. More details for UIYBCC6434A can be seen below.