4–2 Wireless (Select Models Only)
WLAN devices (select models only)
Computers with WLAN devices may support one or more of
three IEEE physical layer industry standards:
■ 802.11b, the first popular standard, supports data rates of
up to 11 Mbps and operates at a frequency of 2.4 GHz.
■ 802.11g supports data rates of up to 54 Mbps and operates
at a frequency of 2.4 GHz. An 802.11g WLAN device is
backward compatible with 802.11b devices, so they can
operate on the same network.
■ 802.11a supports data rates of up to 54 Mbps and operates
at a frequency of 5 GHz.
✎
802.11a is not compatible with 802.11b and 802.11g.
Identifying a WLAN device
As a part of the process for setting up your wireless network, you
will need to identify which integrated WLAN device is installed
on your computer:
1. Select Start > My Computer.
2. Right-click in the My Computer window.
3. Select Properties > Hardware tab > Device Manager >
Network Adapters.
4. Identify the WLAN device from the list that is displayed. The
listing for a WLAN device may include the term wireless,
wireless LAN, WLAN, or 802.11.
✎
If no WLAN device is listed, either your computer does not
have an integrated WLAN device, or the driver for the
WLAN device is not properly installed.
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