The Edimax EW-7822UAC is the Wi-Fi adapter, compatible with the draft 802.11ac standard. The EW-7822AC is the adapter of its kind to offer 802.11ac speeds together with USB (Universal Serial Bus) 3.0 connectivity. The EW-7822UAC's sleek design features an adjustable foldaway antenna, allowing users to adjust the antenna's angle for optimum Wi-Fi performance & fold back the antenna to minimize size when it's not in use.