The WVQ-460M-20BW01B from Wevercomm is a RF & Microwave Circulator with Frequency 450 to 470 MHz, Bandwidth 20 MHz, Average Power Forward 20 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Circulator. More details for WVQ-460M-20BW01B can be seen below.