The Edimax EW-7811Un Wireless Adapter is a compact and versatile USB WiFi adapter designed to provide wireless connectivity to devices lacking built-in WiFi capabilities. Operating on the 2.4GHz frequency band, it offers reliable wireless networking with data transfer rates of up to 150Mbps. The adapter supports the IEEE 802.11n standard and is backward compatible with older WiFi standards for seamless integration into various networks. Its small form factor and plug-and-play functionality make it suitable for use with laptops, desktop computers, and other compatible devices. With WEP, WPA, and WPA2 encryption support, it ensures secure wireless communication for enhanced privacy and data protection.