The UIYBDC5049B from UIY Inc. is a RF & Microwave Circulator with Frequency 150 MHz to 3 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 0.5 dB, Isolation 17 dB. Tags: Drop-in Circulator. More details for UIYBDC5049B can be seen below.