Meritline offers the PremierTek PowerLink 802.11n Wireless USB Adapter, model no. PT-H10DN-1W, for $25.99. Coupon code "MLCKH21BNL1" cuts it to $20.99. With free shipping, that's the lowest total price we could find by $4, although we saw it for a buck less in July. 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. Coupon expires October 23.