The WVQ-430M-80BW01 from Wevercomm is a RF & Microwave Circulator with Frequency 390 to 470 MHz, Average Power Forward 50 W, Average Power Reverse 10 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Drop-in, Drop-in Circulator. More details for WVQ-430M-80BW01 can be seen below.