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WM821-M MiniPCI Module
Using radio frequency (RF) technology, WLANs transmit and receive data through the air. WLANs com-
bine data connectivity with user mobility. For example, users can roam from a conference room to their
office without being disconnected from the LAN.
Using WLANs, users can conveniently access shared information, and network administrators can con-
figure and augment networks without installing or moving network cables.
WLAN technology provides users with many convenient and cost saving features:
•
Mobility: WLANs provide LAN users with access to real-time information anywhere in their or-
ganization, providing service opportunities that are impossible with wired networks.
•
Ease of Installation: Installing is easy for novice and expert users alike, eliminating the need to
install network cables in walls and ceilings.
•
Scalability: WLANs can be configured in a variety of topologies to adapt to specific applications
and installations. Configurations are easily changed and range from peer-to-peer networks suit-
able for a small number of users to full infrastructure networks of thousands of users roaming
over a broad area.
2
—Introduction
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