Amazon.com: Alfa AWUS036NHA High Gain Wireless B/G/N USB Adaptor - Long-Rang Wi-Fi Network Adapter with 5dBi and 9dBi Antenna for Wardriving & Range Extension - Windows 7, XP/Vista 64-Bit /128-Bit - Atheros :
Alfa AWUS036NHA Atheros AR9271 Wireless B/G/N USB Adapter - Long Range Wireless USB
Alfa AWUS036NHA 802.11n Wireless USB Wi-Fi Adapter - Walmart.com
Alfa AWUS036NHA 2.4 Ghz USB Wireless Adapter - zSecurity