The Tp-Link Tl-Wn722N Wireless High Gain USB Adapter allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet connection. Using Align TM 1-stream technology based on 802.11n technology, Tl-Wn722N provides a better wireless signal than existing wireless 802.11g technology. Most of all, equipped 4d Bi detachable antenna can remarkably boost your signal range and speed. Now you can get a better Internet experience, such as downloading, gaming, video streaming and so on. High Gain Design With powerful 4d Bi detachable antenna, the Tl-Wn722N remains excellent performance in the long range and bad environment, it can receive signal from wireless base even separated by 2 floors. Quick Secure Setup Qss or Quick Security Setup is a handy feature that allows users to almost instantly setup their security simply by pressing the QSS button on the wireless adapter, it automatically establishes a Wpa2 secure connection, instantly protecting your network. Why Align TM technology is better? Align TM technology is announced by Atheros Communications, Inc, which is a leading developer of advanced semiconductor system solutions for wireless and wired communications. Based on the Ieee draft 802.11n 1-stream specification, the single-stream feature enables a new class of Wi-Fi devices that deliver performance enhancements over the existing 802.11g technology, at comparable price points. Align solutions are also forward compatible to higher-performance, multi-stream, MIMO-based 802.11n - providing the optimal upgrade path for value-class Wlan products. Consumers who move from 802.11g to products based on Align 1-stream technology will experience enhanced performance in their home networks.