ALFA AWUS1900 1900Mbps 802.11ac Dual Band Long-Range WiFi USB 3.0 Adapter for sale online | eBay
Amazon.com: Alfa AWUS036NHA - Wireless B/G/N USB Adaptor - 802.11n - 150Mbps - 2.4 GHz - 5dBi Antenna - Long Range - Atheros Chipset - Windows XP/Vista 64-Bit /128-Bit Windows 7 Compatible : Electronics
ALFA NETWORK 802.11ac standard Ultra Long Range Wireless USB Adapter (AWUS1900) - The source for WiFi products at best prices in Europe - wifi -stock.com