mwave offers the PremierTek PowerLink 802.11n Wireless USB Adapter, model no. PT-H10DN-1W, for $25.99. Coupon code "MLCKEM02L1" drops it to $19.99. With free shipping, that's tied with our mention from two weeks ago and the lowest total price we could find now by $6. 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 July 4 at 1:48 pm ET or after 200 uses.