User guide

ManualsBrandsSierra Wireless ManualsComputer equipmentAirCard 402

Introducing the AirCard 402 modem

Document 2131145. Rev 1.0 May.09 9

YourmodemrequiresanunobstructedviewofGPSsatellites

(inthesky),and,likeanyotherGPSdevice,mightnotperform

wellwithinforestedareasorneartallbuildings.

Dependingonyouraccount,youmaybechargedforeach

positionfixorafteryouhaveperformedacertainnumberof

fixes.

Fordetails,contactyourserviceprovider.

Dependingonthemechanismthatthenetworkandyour

modemusetoobtainlocationinformation,GPSmaynotbe

supported:

• IfNetworkModeissetto“EVDOOnly”

• Ifyouʹreroaming

• Ifyoudonothavenetworkcoverage

• Duetootherreasons.

Ifyou’rehaving

problemsusingGPS,contactyourservice

provider.

CDMA 3G services

Themodemoperatesoveratypeofwirelessnetworkcalled

CDMA (CodeDivisionMultipleAccess).

CDMA 3Gtechnologyprovidesavarietyofconnectivity

features,dependingonyourserviceproviderandaccount:

• 1x‐EVDORev.AsupportsInternetconnectionswithdata

ratesupto3.1 Mbps(downlinkfromthenetwork)and

1.8 Mb ps(uplinkto

thenetwork).Averagedataratesare

450‐800 Kbps(downlinkfromthenetwork)and

300‐400 Kbps(uplinktothenetwork).Actualspeed

dependsonthenetworkconditions.

• 1x‐EVDORev.0supportsInternetconnectionswithdata

ratesupto2.4 Mbps(downlinkfromthenetwork)and

153 Kbps(uplinktothenetwork).

Averagedataratesare

400‐700 Kbps(downlinkfromthenetwork)and

40‐80 Kbps(uplinktothenetwork).Actualspeeddepends

onthenetworkconditions.

• 1XsupportsInternetconnectionswithdataratesupto

153 Kbps.Actualspeeddependsonthenetworkcondi‐

tions.

Oncetheconnectionisestablished,youcanopen

yourbrowser

andconnecttoanywebsitethatisaccessiblethroughthe

Internet,oraccessotherInternetservices(suchase‐mail).

Theconnectionis“active”whendatatransmissionis

occurring.Ifdatatransmissionstopsforaperiodoftime

(determinedbythenetwork),theconnectionbecomes

dormant.