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TP-Link TL-WN821N 300Mbps 802.11n USB Adapter - £16.49

Employs MIMO technology with two internal intelligent antennae providing even better wireless performance, transmission rates, stability and coverage while the built-in CCA technology automatically avoids channel conflicts using its channel selection feature.

Supports 64/128/152-bit WEP encryptions, as well as WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions and authentication in addition to the adapter's QSS (Quick Secure Setup) feature, allowing users to quickly and easily setup wireless security.

Applications using a lot of bandwidth that are sensitive to interruptions such as voice and video applications are given priority in order to assure quality.

Features a friendly user interface and simple web-based configuration allowing all users to comfortably configure the router, providing an efficient WLAN solution to let you enjoy the freedom that Wi-Fi offers.

Compatible with other 802.11g and 11n protocol wireless products.

The USB adapter is available here for £16.49 only.

Features:
- Maximum 300Mbps wireless transmission rate
- MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability
- CCA technology automatically avoids channel conflicts using its channel selection feature
- Compatible with 802.11g and 11b equipment
- Complies with 802.11n (draft 2.0), 802.11g, and 802.11b standards
- Supports Infrastructure and Ad-Hoc operation
- Quick Secure Setup, complies with WPS for worry free wireless security
- Supports 64/128/152-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X
- Simple configuration and monitoring
- Supports roaming technology guaranteeing efficient wireless connections

Specifications:
- Interface: USB2.0
- Frequency Band: 2.4~2.4835GHz
- Maximum Data Transfer Rates:
+ 802.11n: 300Mbps
+ 802.11g: 54Mbps
+ 802.11b: 11Mbps
- Modulation: OFDM/CCK/16-QAM/64-QAM
- RF Power: 20dBm(max)

Supported Operating Systems:
- Windows 2000 / XP / Vista

Désiré has been musing and writing about technology during a career spanning four decades. He dabbled in website building and web hosting when DHTML and frames were en vogue and started writing about the impact of technology on society just before the start of the Y2K hysteria at the turn of the last millennium. Following an eight-year stint at ITProPortal.com where he discovered the joys of global tech-fests, Désiré now heads up TechRadar Pro. Previously he was a freelance technology journalist at Incisive Media, Breakthrough Publishing and Vnunet, and Business Magazine. He also launched and hosted the first Tech Radio Show on Radio Plus.