The UIYDDC7038A4P 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: Drop-in, Drop-in Circulator. More details for UIYDDC7038A4P can be seen below.