Appendix
How to Handle This Device
The WLAN device is an optional device that may come pre-installed in your mobile computer. Under
normal circumstances, it should not be necessary for you to remove or re-install it. The Operating
System that your mobile computer comes with has been pre-configured to support the WLAN device.
• Integrated Intel Centrino wireless LAN devices support IEEE802.11a,
IEEE802.11b, IEEE802.11g, and IEEE8 02.11n.
• The W LAN device operates in the 2.4 GHz ISM band and the 5 GHz
lower, middle, and upper UNII bands.
• Microwave ovens ma y interfere with the operation of WLAN devices since they operate in the
same 2.4 GHz frequency range as IEEE802.11b/g/n devices. Interference by microwaves
does not occur with IEEE802.11a radio which operates in the 5 G Hz RF band.
• Wireless devices that transmit in the 2.4 GHz range m ay interfere with operation of WLAN
devices in IEEE802.11b/g/n modes. Symptoms of interference include reduced throughput,
intermittent disconnects, and many frame errors. It is HIGHLY recommended that these
interfering devices be powered off to ensure proper operation of the WLAN d evice.
Deactivating/Disconnecting the WLAN Device
Disconnecting the
WLAN d evice may be desired in certain circumstance s (to exte nd battery
life) or where cer
tain environments requ ire it (i.e. hospitals, clinics, airplanes, etc.). The
WLAN de vice can be
disconnected in Windows using the WLAN icon in the system tray
(Note that discon
necting via t he icon in the system tray does not turn off the radio; it
continues to tra
nsmit and receive even though it’s no t connected.)
The wireless co
mponents are s witched on and off u sing the appropriate
functions of th
e operating system .
► To switch wire
less components on and off individually, selectSettings Network
& Internet - Wi
Fi - On / Off.
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