http://www.cree.com/SmallCell In this video, Cree demonstrations the performance of an unmatched Gallium Nitride (GaN) transistor (HEMT) in a application circuit designed for 802.11ac WiFi specification compliance. The CGHV1F006S, normally operates at 40V and 6W of power out, but in this case, Cree is operating the transistor at 20V to achieve 1W of average power under 802.11ac.