Specifications
Table Of Contents
- Chapter 1 – Product Description and Specifications
- Chapter 2 – Activating and Installing the Modem
- Chapter 3 – Using the Wireless Modem
- Using AT Commands to Verify Signal Strength and Roaming Status
- Connecting to the Internet
- Appendix A – Regulatory Compliance
- Appendix B - Cellular Information
- Appendix C – Environmental Information

Chapter1–ProductDescriptionandSpecifications
6 Multi‐TechSystems,Inc.MultiModemCellUserGuide
Safety
GeneralSafety
Themodemisdesignedforandintendedtobeusedinfixedandmobileapplications.“Fixed”meansthatthe
deviceisphysicallysecuredatonelocationandisnotabletobeea sily movedtoanotherlocation.“Mobile”
meansthatthedeviceisdesignedtobeusedinotherthanfixedloc
ations.
Caution:Maintainaseparationdistanceofatleast20cm(8inches)betweenthetransmitter’santennaandthe
bodyoftheuserornearbypersons.TheModemisnotdesignedfororintendedtobeusedinportable
applicationswithin20cm(8inches)ofthebodyoftheuser.
RFInterferenceIssues
Itisimportanttofollowanyspecialregulationsregardingtheuseofradioequipmentdueinparticulartothe
possibilityofradiofrequency,RF,interference.Pleasefollowthesafetyadvicegivenbelowcarefully.
● SwitchOFFyourMultiModemwheninanaircraft.Theuseofcellulartelephonesinanaircraftmayendanger
theoperationoftheaircraft,disruptthecellularnetworkandisillegal.Failuretoobservethisinstruction
mayleadtosuspensionordenialofcellulartelephoneservicestotheoffender,orlegalactionorboth.
● SwitchOFFyourMultiModemwhenaroundgasolineordiesel‐fuelpumpsandbeforefillingyourvehicle
withfuel.
● SwitchOFFyourMultiModeminhospitals andanyotherplacewheremedicalequipmentmaybeinuse.
● Respectrestrictionsontheuseofradioequipmentinfueldepots,chemicalplantsorwhereblasting
operationsareinprogress.
● TheremaybeahazardassociatedwiththeoperationofyourMultiModemclosetoinadequatelyprotected
personalmedicaldevicessuchashearingaidsandpacemakers.Consultthemanufacturersofthemedical
devicetodetermineifitisadequatelyprotected.
● OperationofyourMultiModemclosetootherelectronicequipmentmayalsocauseinterferenceifthe
equipmentisinadequatelyprotected.Observeanywarningsignsandmanufacturers’recommendations.
VehicleSafety
● DonotuseyourMultiModemwhiledriving.
● Respectnationalregulationsontheuseofcellulartel ephones invehicles.Roadsafetyalwayscomesfirst.
● Ifincorrectlyinstalledinavehicle,theoperationofMultiModemtelephonecouldinterferewiththecorrect
functioningofvehicleelectronics.Toavoidsuchproblems,besurethatqualifiedpersonnelhaveperformed
theinstallation.Verificationoftheprotectionofvehicleelectronicsshouldbepartoftheinstallation.
● Theuseofanalertdevicetooperateavehicle’slightsorhornonpublicroadsisnotpermitted.
MaintenanceoftheWirelessMultiModem
YourwirelessMultiModemistheproductofadvancedengineering,design,andcraftsmanship.Treatitwith
care.Thesuggestionsthatfollowhelpensureyoucanenjoythisproductformanyyears.
● DonotexposetheMultiModemtoanyextremeenvironmentwherethetemperatureorhumidityishigh.
● DonotattempttodisassembletheMultiModem.Therearenouserserviceablepartsinside.
● DonotexposetheMultiModemtowater,rain,orspilledbeverages.Itisnotw aterproof.
● DonotabuseyourMultiModembydropping,knocking,orshakingit.Rough handlingcandamageit.
● DonotplacetheMultiModemalongsidecomputerdiscs,creditortravelcards,orothermagneticmedia.
Theinformationcontainedondiscsorcardsmaybeaffectedbythephone.