WHAT THIS PRODUCT DOES 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 AlignTM 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 4dBi 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 4dBi 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 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 WPA secure connection, instantly protecting your network. USB Cradle Bundled Bundled an elegant and stylish USB Cradle for flexible deployment Features - 150Mbps wireless transmission rate; - Provides two methods of operation: Infrastructure and Ad-Hoc; - Quick Secure Setup, complies with WPS for worry free wireless security; - Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X; - 4dBi omni-directional antenna detachable; - Supports Windows 2000/XP/Vista/7 OS; - Seamlessly compatible with 802.11b/g/n devices