Receptor WIFI USB MINI NANO There are 9 products.

Receivers USB WIFI nano and MINI with miniature design – Portable plug-and-play

With its miniature size and its design smooth and bright, users can connect the nano adapter to any USB port and leave it there.
You do not have to worry about blocking the USB interfaces that are adjacent to or because the adapter you can get off when you move or transport your Laptop in any trip.
 
They have recently come on the market WIFI adapters connection USB dimensions tiny, no bigger than a coin of 20 cts., very discreet and practical for use in portable computers that do not have a wifi card built in.
Also often used to repair laptops or tablets whose WIFI does not work or have little scope. Because of their versatility they are used even on PC and on desktop computers.
Its small size allows you to not block the USB inputs are adjacent and their price make them excellent alternatives to provide WIFI connectivity to all types of equipment.
Compatible with drivers for WINDOWS 8 and successive, MAC OSX and LINUX. Realtek and Ralink are constantly updating the drivers to improve the performance of these nano devices.
The download speed is similar to the adapter receivers, the WIFI antenna of more size, and are sufficient to connect at home and in bars or public spaces.

Speeds Wireless N 150Mbps enable Wireless Signals Stable. Comply with the standards 802.11 b/g/n wireless connections with data transmission speeds of up to 150Mbps, allowing wireless connections fast for streaming video, and video online games without problems. Encryption WPA / WPA2 encryptions –Advanced Security. When speaking about wireless security, WEP no longer are the stronger protections and more secure against intrusion.
Receptor WIFI Silicon provide encryption WPA / WPA2 encryptions that are created by the WIFI Alliance™, promoting interoperability and security for WLAN, which protects the effective and efficient wireless networks of all users.

WIFI adapters cheap USB compatible Raspberry Pi and Arduino.

Connect to the internet our Raspberry Pi it is essential, that's why a WIFI adapter USB is the best idea to do so. Especially if you want to give certain uses, such as media center, file sharing, as IP camera etc To improve the usability of the Raspberry Pi can be fitted with a WiFi adapter external size mini or nano since the plate does not incorporate any wireless connection, so that if we want to connect the Raspberry Pi via WiFi will have to do it with a mini USB wifi adapter such as those of this section. It is a simple and fast installation, with a few lines of code we will have everything set up so I will be able to enjoy our development board with remote connection.
The WiFi adapter is connected to the plate prior to its ignition. With these mini USB WIFI compatible with Raspberry Pi we will have our plate connected to the Internet wirelessly, so we can dispense with having to work with a cable network for all, because with the small WiFi adapter we will have a connection in any place. Once we have the Raspberry connected to the internet, we now have several ways of controlling the device remotely, via your website or with smart mobile devices.

The mini WIFI adapters cheap USB SILICON SHOP carry compatible chipset are easily configurable with the Raspberry Pi.

Chip WIFI Mediatek Ralink and Realtek Compatible with Raspberry Pi

Chip Ralink RT5370 RT3070
Chip Realtek RTL8188 / RTL8188EU / RTL818CU / RTL818CUS / TL8188RU / RTL8191SU