
What is Wireless LAN?
Wireless Local Area Network (WLAN) systems offer a great number of advantages over traditional wired systems. WLAN is flexible and easy to setup and manage.
Using radio frequency (RF) technology, a WLAN transmits and receives data through the air. A WLAN combines data connectivity with user mobility. For example, users can roam from a conference room to their office without being disconnected from the network.
Using WLAN, users can conveniently 
WLAN technology provides users with many convenient and cost saving features:
Mobility: | WLAN provide LAN users with access to   | 
  | information anywhere in their organization, 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: | WLAN can be configured in a variety of topologies to adapt  | 
  | to specific applications and installations. Configurations are  | 
  | easily changed and range from   | 
  | for a small number of users to full infrastructure networks of  | 
  | thousands of users roaming over a broad area.  | 
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Page 6  | NP5420 11G Wireless PC Card User Guide  |