The UIYDC2525A from UIY Inc. is a RF & Microwave Circulator with Frequency 36 MHz to 3.5 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 0.3 dB, Isolation 23 dB. Tags: Drop-in Circulator. More details for UIYDC2525A can be seen below.