WiMAX
Thislong-rangewirelessdatatransmissiontechnologybasedonthe802.16standard,isexpectedtoprovide
theusera“lastmile”broadbandconnectivitysimilartothatprovidedbycableorADSL,butwithouttheneed
tophysicallyconnectacabletothepersonalcomputer.
EstablishingwirelessLANconnections
Yourcomputercomeswithabuilt-inwirelessnetworkingcardandacongurationutilitytohelpyoumake
wirelessconnectionsandmonitorthestatusofyourconnection,sothatyoucanstayconnectedtoyour
networkwhileyouareintheofce,inameetingr oom,orathome,withnoneedforawir edconnection.
Attention:
•IfyoucarryyourcomputerwiththewirelessLANfeatureintoanairplane,checktheserviceswiththe
airlinebefor eboardingtheairplane.
•Iftherearerestrictionsontheuseofcomput ersonanairplanewiththewirelessfeature,youneedto
disableitbefor eboar ding.Todisableit,refertotheinstructionsin“Enablingordisablingthewireless
feature”onpage36.
Youcanpurchaseawirelessnetworkingcardasanoption.Formoreinformation,referto“FindingThinkPad
options”onpage97.
TipsforusingthewirelessLANfeature
•PlaceyourcomputersothatthereareasfewobstaclesaspossiblebetweenthewirelessLANaccess
pointandthecomputer.
•ForthebestconnectionofthewirelessLANfeature,openyourcomputerdisplaytoanangleofslightly
morethan90degrees.
•Ifyouusethewirelessfeature(the802.11standard)ofyourcomputersimultaneouslywithaBluetooth
option,datatransmissionspeedcanbedelayedandtheperformanceofthewirelessfeaturecanbe
degraded.
Wirelessnetworksetup
Tousethebuilt-inwirelessnetworkingcard(the802.11standard)tocommunicate,startAccess
Connections.See“AccessingThinkVantageprograms”onpage14.
Note:BeforeyoustartsettingupwirelessnetworkingconnectionsbyusingAccessConnections,obtaina
NetworkName(SSID)andyourencryptioninformationfromyournetworkadministrator.
EstablishingwirelessWANconnections
WirelessWideAr eaNetwork(wirelessWAN)enablesyoutoestablishwirelessconnectionsoverremote
publicorprivatenetworks.Theseconnectionscanbemaintainedoveralargegeographicalarea,suchas
acityoranentirecountry,byuseofmultipleantennasitesorsatellitesystemsmaintainedbywireless
serviceproviders.
SomeThinkPadnotebookcomput erscomewithabuilt-inwirelessWANcardintegratingsomewireless
WANtechnologies,suchas1xEV-DO,HSPA,3G,GPRSorLTE.YoucanconnecttotheInternetoryour
companynetworkwiththebuilt-inwirelessWANcardandthecongurationutilitytomakeawireless
WANconnectionandmonitoritsstatus.
Note:WirelessWANserviceisprovidedbyauthorizedserviceprovidersinsomecountries.
TolocatethewirelessWANantennaonyourcomputer,see“Locatingcomputercontrols,connectors,and
indicators”onpage1.
Chapter2.Usingyourcomputer33