- Exceptional wireless speed up to 150Mbps - Wireless security encryption easily at a push Of QSS button- 4dBi detachable antenna remarkably strengthen signal power of the USB adapterThe 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- 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 AlignTM technology is better?- AlignTM  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.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- Seamlessly compatible with 802.11b/g/n devicesSpecificationStandards: IEEE 802.11nIEEE 802.11g IEEE 802.11bWireless Speed- 11n: Up to 150Mbps- 11g: Up to 54Mbps- 11b: Up to 11MbpsFrequency Range: 2.4-2.4835GHzWireless Transmit Power: 20dBm(MAX. EIRP)Modulation Type: OFDM/CCK/16-QAM/64-QAMReceiver Sensitivity (without antenna)- 130M: -68dBm@10% PER- 108M: -68dBm@10% PER- 54M: -68dBm@10% PER- 11M: -85dBm@8% PER- 6M: -88dBm@10% PER- 1M: -90dBm@8% PERWork Mode- Ad-Hoc- InfrastructureWireless Security- 64/128 bits WEP- WPA/WPA2 WPA-PSK/WPA2-PSK (TKIP/AES)Support Operating System: Windows 7(32/64bits) Windows Vista(32/64bits) Windows XP(32/64bits) Windows 2000Hardware SpecificationInterface: USB2.0 Hi-Speed connectorAntenna Type: 4dBi Detachable Omni-directional AntennaCertifications: CE FCCOperating Temperature: 0oC~40oC (32oF~104oF)Storage Temperature: -40oC~70oC (-40oF~158oF)Relative Humidity: 10% ~ 90% non-condensingStorage Humidity: 5%~90% non-condensingDimensions: 3.7 x 1.0 x 0.4in. (93.5 x 26 x 11mm)