The UIYBDC5049A from UIY Inc. is a RF & Microwave Circulator with Frequency 135 MHz to 2.7 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 0.7 dB, Isolation 16 dB. Tags: Drop-in Circulator. More details for UIYBDC5049A can be seen below.