The UIYBCC10149B4P from UIY Inc. is a RF & Microwave Circulator with Frequency 1.5 to 3 GHz, Bandwidth 1500 MHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 1 dB. Tags: Module with Connectors, Coaxial Circulator. More details for UIYBCC10149B4P can be seen below.