SunFounder RT5370 USB Wireless Network Wifi Adapter for Raspberry Pi with 2dBi Antenna - Plug and Play Works on ALL Models (A, B, B+ and Raspberry Pi 2). The Raspberry Pi is NOT included. Link to download the instructions: https://www.adrive.com/public/E4Uz5c/Raspberry%20Pi%20Wifi%20Adapter.doc This high-power USB Wi-Fi adapter is based on the RT5370 chip and applies the 802 11N wireless technology, thus supporting a transmitting rate as high as 150Mbs. With a built-in flash drive, Plug & Play, in no need of CD drive! Equipped with a 2dBi external antenna, providing further wireless transmission in open environment High compatibility: supporting the following systems: Windows, Wheezy OS, Raspbmc, OpenElec XBMC, OSMC, Arch Linux, Ubuntu, Fedora, and Pidora