Fujitsu Siemens Computers Fujitsu-Siemens PC - Manual (Page 48)

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Infrastructure mode (AccessPoint)
With a wireless AccessPoint your can operate a WLAN in the
infrastructure mode. You may then connect a wireless connection
to several wireless devices within a specified area or the range of
the AccessPoint. Communication with the wireless nodes is via an
antenna. In infrastructure mode, the wireless AccessPoint converts
the data transmitted in the form of radio waves into Ethernet data
and thereby forms the bridge between the individual wireless
clients and the wired LAN. By connecting several AccessPoints via
an Ethernet backbone, the range of a wireless network can be
expanded. If a mobile device falls outside the range of an
AccessPoint, it falls within the range of another. This means that
wireless clients can be moved freely from the domain of one
AccessPoint to the next, thereby maintaining a wireless connection
to the network.