mwave offers the PremierTek PowerLink 802.11n Wireless USB Adapter, model no. PT-H10DN-1W, for $19.99 with free shipping. That's tied with our mention from last week as the lowest total price we could find now by $5. Claiming an operating distance of up to 1,500 meters (0.93 miles), it features a max speed of 300Mbps, 5dBi dipole antenna, support for WEP, WPA2, and WPA-PSK encryption.