Amazon.com: Edimax EW-7811Un 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 (Black/Gold) : Electronics
Amazon.com: Edimax EW-7128Gn 150Mbps Wireless 11n PCI Adapter with Extra Long Cable of External Detachable Dipole Antenna : Electronics