Plugable USB 2.0 Wireless N 802.11n 150 Mbps Nano WiFi Network Adapter (Realtek RTL8188EUS Chipset) Plug and Play for Windows Wireless Adapters - Newegg.com
StarTech 2 PORT USB LP SLOT PLATE ADAPTER – Dealtargets.com
WN687S1 687S1 N150 USB 2.0 Wi-Fi ADAPTER - Home and Business Networking Equipment &Wireless Audio and Video Transmission Equipment -wavlink.com
EDIMAX - Wireless Adapters - N150 - 150Mbps 11n Wi-Fi USB Adapter, Nano Size Lets You Plug it and Forget it, Ideal for Raspberry Pi / Pi2, Supports Windows, Mac OS, Linux