Appendix
**
*
* = An optional hub for a wired LAN may
be required depending upon the type
of access point used.
** = ADSL m ode m, cable modem, or similar
How to Handle This Device
The W LAN 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 o r re-install it. The Operating
System that your mobile compute r comes with has been pre-configured to support the WL A N device.
• The WLAN device operates in the 2.4 GHz ISM band and the 5 GHz
lower, middle, and upper UNII bands.
• Microwave ovens may 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 GHz RF band.
• Wireless devices that transmit in the 2.4 GHz range may interfere with operation of W LAN
devices in IEEE802.11b/g/n modes. Symptoms of interference include reduced throughput,
intermittent disconnects, and many frame errors. It is HIGHLY recommende d that these
interfering devices be powered off to ensure proper operation of the WLAN device.
Fujitsu 93
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