The UIYCDC7038A4P from UIY Inc. is a RF & Microwave Circulator with Frequency 300 MHz to 1.3 GHz, Bandwidth 250 MHz, Average Power Forward 300 W, Average Power Reverse 300 W, Insertion Loss 0.6 dB. Tags: Module with Connectors, Coaxial Circulator. More details for UIYCDC7038A4P can be seen below.