Keyspan USB Wireless LAN CARD none - Manual (Page 4)

USB Wireless LAN Card 3
■ Applied Environments
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.
■ 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.
iMac
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INFRASTRUCTURE
WIRELESS Ad-Hoc
Infrastructure mode Ad-Hoc mode