Wirelessconnections
Wirelesscommunicationisthetransferofdatawithouttheuseofcablesbutbymeansofradiowavesonly.
Dependingonthewirelessdeviceusedinyourcomputer,youmightbeabletoconnecttothefollowing
categoriesofwirelessnetworks.
WirelessLAN
Awirelesslocalareanetwork(LAN)coversarelativelysmallgeographicarea,suchasanofcebuildingora
house.Devicesbasedonthe802.11standardscanconnecttothisnetwork.
Yourcomputercomeswithabuilt-inwirelessnetworkcardandacongurationutilitytohelpyoumake
wirelessconnectionsandmonitorthestatusofyourconnection,sothatyoucanstayconnectedtoyour
networkwhileyouareintheofce,inameetingroom,orathome,withnoneedforawiredconnection.
WirelessWAN
WirelessWideAreaNetwork(wirelessWAN),usingcellularnetworksfordatatransmission,enablesyou
toestablishwirelessconnectionsoverremotepublicorprivatenetworks.Theseconnectionscanbe
maintainedoveralargegeographicalarea,suchasacityoranentirecountry,byuseofmultipleantenna
sitesorsatellitesystemsmaintainedbywirelessserviceproviders.
Note:WirelessWANserviceisprovidedbyauthorizedserviceprovidersinsomecountries.
SomeThinkPadnotebookcomputerscomewithabuilt-inwirelessWANcardintegratingsomewireless
WANtechnologies,suchas1xEV-DO ,CDMA,HSPA,HSPA+,3GorGPRS.Byusingthebuilt-inwireless
WANcardandthecongurationutilitythatcomeswithyourcomputer,youcanestablishwirelessWAN
connectionsandmonitorthestatusofyourconnection.
Bluetooth
Bluetoothisoneofanumberoftechnologiesusedtocreateawirelesspersonalareanetwork.Bluetooth
canconnectdevicesashortdistancefromoneanother ,andiscommonlyusedforconnectingperipheral
devicestoacomputer,transferringdatabetweenhand-helddevicesandapersonalcomputer,orremotely
controllingandcommunicatingwithdevicessuchasmobilephones.
Tipsforusingthewirelessconnectionfeatures
Toachievethebestconnection,usethefollowingguidelines:
•Keepyourcomputerawayfromyourbody.
•Placeyourcomputersothatther eareasfewobstaclesaspossiblebetweenthewirelessLANaccess
pointandthecomputer.
•Openyourcomputerdisplaytoanangleslightlygreaterthan90degrees.
•Ifyouusethewirelessfeature(the802.11standard)ofyourcomputersimultaneouslywithaBluetooth
option,thedatatransmissionspeedcanbedelayedandtheperformanceofthewirelessfeaturecanbe
degraded.
Note:YoucanpurchaseawirelessnetworkcardasanoptionfromLenovoat:
http://www.lenovo.com/accessories/services/index.html.

UsingthewirelessLANandwirelessWANfeatures

Toenableordisablethewirelessfeatures,dooneofthefollowing:
•ForWindows7:PressF8toopenthewirelessradioswitchboard.Turnonorturnoffthewirelessfeature
asdesired.
36UserGuide