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Huawei MG323 manual Overall Description, About This Chapter, Function Overview, 1 Feature

Models: MG323

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HUAWEI MG323 GSM M2M Module
Hardware Guide	Overall Description

2 Overall Description

2.1 About This Chapter

This chapter gives a general description of the MG323 module and provides:

Function Overview

Application Block Diagram

Circuit Block Diagram

2.2Function Overview

Table 2-1 Feature

Feature	Description

Working bands	Four supported frequency bands: GSM850 MHz/900 MHz/1800
	MHz/1900 MHz

Maximum	GSM850 Class 4 (2 W)
transmission
transmission	EGSM900 Class 4 (2 W)
power	EGSM900 Class 4 (2 W)
	DCS1800 Class 1 (1 W)

	PCS1900 Class 1 (1 W)

Receiver	< –107 dBm
sensitivity

Operating	Normal operating temperature: –20°C to +70°C
Temperature	[1]	: –30°C to +75°C
	Extended operating temperature	: –30°C to +75°C
Ambient	–40°C to +85°C
temperature for
storage

Power voltage	3.3 V to 4.8 V (3.8 V is recommended.)

Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	9
	Copyright © Huawei Technologies Co., Ltd.

Page 9

Image 9

Huawei MG323 manual Overall Description, About This Chapter, Function Overview, 1 Feature

Contents

HUAWEI MG323 GSM M2M Module Hardware GuideNO WARRANTY Trademarks and PermissionsImport and Export Regulations History About This DocumentVersion DateDate VersionChapter DescriptionsVersion Issue 06Date Chapter3 Description of the Application Interfaces Contents7 Appendix A Circuits of Typical Interfaces 5 Electrical and Reliability Features8 Appendix B Acronyms and Abbreviations 6 Mechanical Specifications1.1 Overview 1 Introduction2 Overall Description Feature2.1 About This Chapter 2.2 Function OverviewSee the HUAWEI MG323 Series Wireless Module AT Command FeatureInterface Specification Description2.4 Circuit Block Diagram 2.3 Application Block DiagramFeature DescriptionHUAWEI MG323 GSM M2M Module Issue 06Hardware Guide Overall Description3.2 B2B Connector Interface 3 Description of the Application Interfaces3.1 About This Chapter Pin Name DC CharacteristicsNormal DescriptionPin Name DC CharacteristicsDescription Normal3.3.1 Overview 3.3 Power InterfaceDC Characteristics Pin Name3.3.2 VBAT Interface Signal NameModule Pin No3.3.3 VCOIN Interface 3.4 Power-On and Power-Off Time Sequence3.3.4 VIO Interface 3.4.1 OverviewSignal Name 3.4.2 Power-On Time SequencePin No Description3.4.3 Power-Off Time Sequence 3.5 Signal Control Interface3.4.4 RESET 3.5.1 OverviewSignal Name 3.5.2 Input Signal Control PinsPin No Description3.5.3 Output Signal Control Pin Working or Network StatusOutput Status of the LEDSTATUS Pin 3.6.1 Overview 3.6 UART InterfaceDirection Signal NameSignal Name 3.6.2 Circuit Recommended for the UART InterfaceFeature Pin No3.7.1 Overview 3.7 SIM Card InterfaceSignal Name Pin NoSignal Name 3.7.2 Circuit Recommended for the SIM Card InterfacePin No Description3.8 Audio Interface HUAWEI MG323 GSM M2M Module IssueHardware Guide Description of the Application Interfaces4.2 Antenna Installation 4 Antenna Interface4.1 About This Chapter Rated Condition 4.3 Coaxial Cable and RF ConnectorEnvironmental Type MaterialIt is recommended that you use the Hirose coaxial cable with the RF Specification 4.5 RF Specifications of the Antenna Interface4.4 ESD Protection for the Antenna Interface MinimumMinimum SpecificationTypical Maximum4.6 Specifications of the Antenna Interface Symbol 5 Electrical and Reliability Features5.1 About This Chapter 5.2 Extreme Working Conditions5.4 Electrical Criteria of Application Interfaces 5.3 Operating and Storage Temperatures and HumiditySpecification Signal NameWaveform and FunctionRemarks LevelFunction Signal NameWaveform and RemarksFunction Signal NameWaveform and Remarks5.5.1 Input Power Supply 5.5 Power Supply Features5.5.2 Working Current ParameterWorking Mode ConfigurationTypical value RemarkTest Condition 5.6 Reliability FeaturesStandard ConfigurationStandard Test ConditionESD Test Standard 5.7 ESD FeaturesContact Discharge Air Discharge6 Mechanical Specifications 6.2 Dimensions6.1 Overview Mechanical Specifications 6.3 Dimensions of the B2B ConnectorIssue 06 HUAWEI MG323 GSM M2M ModuleStacking ModelHRS Number Height mm6.4 MG323 Module Installation Description Figure 6-6 MG323 module installation 6.5 Specification Selection for Fasteners Issue 06 Mechanical SpecificationsHUAWEI MG323 GSM M2M Module Hardware GuideRESET Issue 067 Appendix A Circuits of Typical Interfaces HUAWEI MG323 GSM M2M Module8 Appendix B Acronyms and Abbreviations Acronym or AbbreviationExpansion Acronym or Abbreviation ExpansionPBCCH