беспроводной адаптер, 802.11n, WPA2, LAN, USB 2.0 WNL-U554 wireless USB adapter adopts IEEE 802.11n technology and is backward compatible with IEEE 802.11b and 802.11g, offering a reliable and cost effective wireless solution. With the USB 2.0 interface that integrates one transmit channel and one concurrent receive channel, the WNL-U554 supports up to 75Mbps upload and 150Mbps download data rate for extending wireless coverage. To ensure a secure wireless service, the WNL-U554 provides advanced security features including 64/128-Bits WEP, WPA, WPA2 and LEAP encryption. Moreover, in order to simplify the security configurations, WPS (Wi-Fi Protected Setup) is included to offer a convenient and fast method for users as well. Besides, the QoS-WMM feature maintains the high priority transition quality for multimedia packets. The WNL-U554 supports Windows base systems, included 2000, XP and Vista. With high speed capability of WNL-U554, users can freely surf the Internet or enjoy the multimedia services via high wireless transmission anytime, anywhere