Keyspan none User Manual

 

 

                          USB Wireless LAN Card 

     

            3 

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There are two application modes for this WLAN card, the “Ad-Hoc mode” and the “Infrastructure 
mode”. (For further explain, please refer to the “WLAN Application Modes” below) Different modes 
require different settings. Please check the environment first.   

 

Infrastructure mode: Via “Access Point” (AP) to connect to the Internet. This mode further gives 

wireless access to Internet or data sharing under a previously wired 
environment. 

 
Ad-Hoc mode: Connecting to other computer with WLAN card. This mode does not need AP to 

connect to each other. 

 
 
 
 
 
 
 
 
 
 
 
 
 

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 WLAN Application Modes 

                   
Ad-Hoc Mode 

Ad-Hoc mode is a Peer-to-Peer mode. Without an AP, computers can also 
connect to each other by USB Wireless LAN CARD. With this mode, 
computers are able to share data or connect to the Internet if one of them 
is already connected to.   

Infrastructure 
Mode 

Infrastructure mode including an AP, unlike Ad-Hoc mode, enabling users 
to best utilizes the frequency bandwidth of the AP. 
This mode enables users to integrate wired and wireless infrastructures. 
Through APs, wireless users are able to access wired resources, for 
example: Internet, database, and printers.   

Advantages   Comparing to Ad-Hoc mode, Infrastructure mode has the following 

advantages: 

  Longer distance: Through AP, the wireless access distance is longer.
  Roaming:  The wireless devices can move within the AP support 

area. 

  Integration of wired and wireless environment. 

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INFRASTRUCTURE

WIRELESS

Ad-Hoc

 

  Infrastructure mode   

                                               

 

Ad-Hoc mode