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USB WiFi Adapter 600Mbps USB 2.0 WiFi Dongle 802.11 ac Wireless Network Adapter with Dual Band 2.4GHz/150Mbps 5GHz/433Mbps High Gain Antenna for Desktop Windows XP/Vista / 7-10 Mac - Walmart.com
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FCC's 5 GHz spectrum initiative could mean more and wider channels for IEEE 802.11ac « Steven J. Crowley, P.E.
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