User guide

Sierra Wireless USB Modem User Guide
10 2131232
• UniversalMobileTelecommunicationsSystem(UMTS)—
384 kbps(kilobitspersecond)
• EnhancedDataratesforGSMEvolution(EDGE)—
236 kbps
• GeneralPacketRadioService(GPRS)—56 kbps
GPRSandEDGEaresecondgeneration(2G)dataservices.
UMTS,HSDPA/HSUPA,andHSPA+are3Gdata services.
Whenestablishingaconnection,yourmodemusesthefastest
availableservice.If,for
example,youareusingthemodemin
anareathathasEDGEservicebutnotUMTSorHSDPA/
HSUPAservice,themodemconnectsusingEDGEservice.
Oncetheconnectionisestablished,youhaveaccesstoall
Internetservices.
Your account and coverage area
Note: If you purchased the
modem from a GSM service
provider, you may already have
an account and a SIM card.
Otherwise, your retailer should
be able to give you the names of
companies that provide these
items.
YoumusthaveanaccountwithaGSMserviceprovidertouse
themodem.Tousethemodem’s3Gcapability,youraccount
mustbewithaserviceproviderthatoffersHSPA,HSPA+or
UMTSservice.(Themodemisbackwardscompatiblewith2G
service.)
Whenyouobtainyouraccount,youaregiven
aSubscriber
IdentityModule(SIM)cardcontainingaccountinformation.
Beforeyouuse themodem,youmustinserttheSIMcardinto
it.
Yourabilitytoobtainservicedependsonthesefactors:
Note: The fee for service is
usually higher when you are
roaming (connected to a network
other than the one belonging to
your service provider).
• Networkcoverage—Youmustbewithinthenetwork
coveragearea.
• Serviceprovider—Ifyouarewithinthecoverageareaofa
networkthatisnotoperatedbyyourownserviceprovider,
youcanobtainserviceonlyifthereisaroamingagreement
betweenyourserviceproviderandthenetworkoperator.
• Account
provisions—Youraccountmayrestrictyour
usagetocertainnetworksorlimittheamountoftimeyou
canusethenetwork.
• Frequencyband—Youcannotconnecttonetworks
operatinginbandsnotsupportedbyyourmodem,
regardlessofroamingagreementsoraccountprovisions.
MostserviceprovidershavecoveragemapsontheirWeb
sites.