The UIYBDC2525B from UIY Inc. is a RF & Microwave Circulator with Frequency 960 MHz to 1.215 GHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-in Circulator. More details for UIYBDC2525B can be seen below.