mwave offers the PremierTek 802.11n Wireless USB Adapter, model no. ARG-1000, for $19.99. With free shipping, that’s $12 under our April mention (which included a $2 credit) and the lowest total price we could find by $5. It features a max speed of 150Mbps, 5dBi dipole antenna, support for WEP, WPA2, and WPA-PSK encryption, and more.

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