The UIYBDC2528A from UIY Inc. is a RF & Microwave Circulator with Frequency 300 MHz to 6 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Drop-in Circulator. More details for UIYBDC2528A can be seen below.