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
Multi‐TechSystems,Inc.MultiModemCellUserGuide 7
● TheuseofaccessoriesnotauthorizedbyMulti‐TechornotcompliantwithMulti‐Tech’saccessory
specificationsmayinvalidatethewarrantyoftheMultiModem.
● IntheunlikelyeventofafaultintheMultiModem,contactMulti‐TechTechnicalSupport.
HandlingPrecautions
Alldevicesmustbehandledwithcertainprecautionstoavoiddamageduetotheaccumulationofstaticcharge.
Althoughinputprotectioncircuitryhasbeenincorporatedintothedevicestominimizetheeffectofthisstatic
buildup,properprecautionsshouldbetakentoavoidexposuretoelectrostaticdischargeduringhandlingand
mounti
ng.
FrontPanelOverview
ThefrontpanelincludesanLEDthatindicatesthestatusofthelink.AnotherLEDindicateswhetherthemodem
haspower.
TheSIMdoorontherightsideofthemodemprovidesaccesstotheSIMcardholderifneeded.
LEDs
LS Whenlit,indicatestheradiomodulehaspower.
PWR Whenlit,theunitisreceivingpowerfromtheUSBconnection.
PackageContents
Note:FortheMTCBA‐H3‐U1modem,yourwirelessprovidersuppliestheSIMcard.
UnbundledPackagewithoutAccessories
1modem
Note:Youmustsupplymountingscrews,USBcable,andanantenna.
BundledPackagewithAccessories
1modem
1antenna
USBcable
Note:Youmustsupplymountingscrews