The UIYBDC3538F from UIY Inc. is a RF & Microwave Circulator with Frequency 950 MHz to 1.415 GHz, Average Power Forward 300 W, Average Power Reverse 300 W, Insertion Loss 0.6 dB, Isolation 16 dB. Tags: Drop-in Circulator. More details for UIYBDC3538F can be seen below.