The UIYBDC1317A from UIY Inc. is a RF & Microwave Circulator with Frequency 800 MHz to 12 GHz, Average Power Forward 30 W, Average Power Reverse 30 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Drop-in Circulator. More details for UIYBDC1317A can be seen below.