The WVQ-6.8G-0.8GBW01 from Wevercomm is a RF & Microwave Circulator with Frequency 6.4 to 7.2 GHz, Average Power Forward 20 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 70 Degree C. Tags: Module with Connector, Coaxial Circulator. More details for WVQ-6.8G-0.8GBW01 can be seen below.