The UIYDMC1812B from UIY Inc. is a RF & Microwave Circulator with Frequency 5.2 to 5.8 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 1 dB, Isolation 30 dB. Tags: Microstrip Circulator. More details for UIYDMC1812B can be seen below.