The UIYCC5356A from UIY Inc. is a RF & Microwave Circulator with Frequency 300 MHz to 1.5 GHz, Average Power Forward 500 W, Average Power Reverse 500 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Coaxial Circulator. More details for UIYCC5356A can be seen below.