The WVQ-800M-200BW01 from Wevercomm is a RF & Microwave Circulator with Frequency 700 to 900 MHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.4 to 1 dB, Isolation 20 dB. Tags: Drop-in, Drop-in Circulator. More details for WVQ-800M-200BW01 can be seen below.