The UIYBCC5049B 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: Coaxial Circulator. More details for UIYBCC5049B can be seen below.