The UIYDDC12060A4P from UIY Inc. is a RF & Microwave Circulator with Frequency 45 to 270 MHz, Bandwidth 56.25 MHz, Average Power Forward 200 W, Average Power Reverse 100 W, Insertion Loss 0.8 dB. Tags: Drop-in, Drop-in Circulator. More details for UIYDDC12060A4P can be seen below.