The WVQ-5500M-600BW01 from Wevercomm is a RF & Microwave Circulator with Frequency 5.2 to 5.8 GHz, Average Power Forward 10 W, Insertion Loss 0.4 dB, Isolation 23 dB, Operating Temperature -30 to 70 Degree C. Tags: Drop-in, Drop-in Circulator. More details for WVQ-5500M-600BW01 can be seen below.