"offer speeds up to three times faster than 802.11n and are fully backward compatible with 802.11a, 11b, 11g and 11n" "Operating in the 5 GHz spectrum, 802.11ac offers transfer speeds up to 1300 Mbps" http://www.prnewswire.com/news-releases/buffalos-80211ac-wireless-solutions-available-now-151352155.html ciao, Clauz