•Ifyouusethewirelessfeature(the802.11standard)ofyourcomputersimultaneouslywithaBluetooth
option,thedatatransmissionspeedcanbedelayedandtheperformanceofthewirelessfeaturecanbe
degraded.
WirelessWAN
WirelessWideAreaNetwork(wirelessWAN),usingcellularnetworksfordatatransmission,enablesyou
toestablishwirelessconnectionsoverremotepublicorprivatenetworks.Theseconnectionscanbe
maintainedoveralargegeographicalarea,suchasacityoranentirecountry,byuseofmultipleantenna
sitesorsatellitesystemsmaintainedbywirelessserviceproviders.
SomeThinkPadnotebookcomputerscomewithabuilt-inwirelessWANcardintegratingsomewireless
WANtechnologies,suchas1xEV-DO,HSPA,3G,GPRSorLTE.Byusingthebuilt-inwirelessWANcardand
thecongurationutilitythatcomeswithyourcomputer,youcanestablishwirelessWANconnectionsand
monitorthestatusofyourconnection.
Note:WirelessWANserviceisprovidedbyauthorizedserviceprovidersinsomecountries.
TipsforusingthewirelessWANfeature
Toachievethebestconnection,usethefollowingguidelines:
•Keepyourcomputerawayfromyourbody.
•Placeyourcomputeronaatsurfaceandopenyourcomputerdisplaytoanangelofslightlymore
than90degrees.
•Placeyourcomputerawayfromconcreteorbrickwallsthatmightdampencellularsignals.
•Bestreceptionwillbeavailablenearwindowsandotherlocationswherecellularphonereceptionisthe
strongest.
WiMAX
SomeThinkPadnotebookcomput erscomewithabuilt-inwirelessLANcardintegratingWiMAXtechnology.
Thislong-rangewirelessdatatransmissiontechnologybasedonthe802.16standardisexpectedtoprovide
theusera“lastmile”broadbandconnectivitysimilartothatprovidedbycableorADSL,butwithouttheneed
tophysicallyconnectacabletothepersonalcomputer.
Bluetooth
Bluetoothisoneofanumberoftechnologiesusedtocreateawirelesspersonalareanetwork.Bluetooth
canconnectdevicesashortdistancefromoneanother,andiscommonlyusedforconnectingperipheral
devicestoacomputer,transferringdatabetweenhand-helddevicesandapersonalcomputer,orremotely
controllingandcommunicatingwithdevicessuchasmobilephones.
Establishingwirelessconnections
Toestablishawirelessconnection,dothefollowing:
1.P ressFn+F5toturnonthewirelessfeature.
2.ClickthewirelessnetworkconnectionstatusiconintheWindowsnoticationarea.Alistofavailable
wirelessnetworksisdisplayed.
3.Double-clickanetworktoconnecttoit.Providerequiredinformationifneeded.
Ifyouneedtoconnecttodifferentwirelessnetworksindifferentlocations,usethefollowingsoftwareto
managemultiplenetworkprolessothatthecomputerconnectstoanavailablenetworkautomaticallywhen
thelocationchanges:
Chapter2.Usingyourcomputer35