Buy.com offers the Hawking 802.11n Wireless-300N Hi-Gain Universal Range Extender, model no. HWREN1, for $39.95 with free shipping. That’s $3 under our May mention and the lowest total price we’ve ever seen for this wireless device. (It’s also a current price low by $26.) It features a dipole antenna and purports to double the range of your 802.11n wireless router.