Manuals / Huawei / Cell Phone / Cell Phone

Huawei MG323 manual Specifications of the Antenna Interface

Models: MG323

1 54

Page 34

HUAWEI MG323 GSM M2M Module
Hardware Guide	Antenna Interface

4.6 Specifications of the Antenna Interface

Table 4-3lists the recommended specifications of the antenna interface.

Table 4-3Recommended specifications of the antenna interface

Working bands	824 MHz–960 MHz and 1710 MHz–1990 MHz
Port impedance	50 Ω
Voltage standing	< 3:1
wave ratio (VSWR)
Maximum gain	> 2.5 dBi
Antenna efficiency	> 40% @824 MHz–960 MHz; 50% @1710 MHz–1990 MHz
Polarization	Linear polarization
Pattern	Omnidirectional

Issue 06 (2013-06-13)	Huawei Proprietary and Confidential	34
	Copyright © Huawei Technologies Co., Ltd.

Page 34

Image 34

Huawei MG323 manual Specifications of the Antenna Interface

Contents

Hardware Guide HUAWEI MG323 GSM M2M ModuleTrademarks and Permissions NO WARRANTYImport and Export Regulations Version About This DocumentHistory DateChapter VersionDate DescriptionsDate Issue 06Version ChapterContents 3 Description of the Application Interfaces8 Appendix B Acronyms and Abbreviations 5 Electrical and Reliability Features7 Appendix A Circuits of Typical Interfaces 6 Mechanical Specifications1 Introduction 1.1 Overview2.1 About This Chapter Feature2 Overall Description 2.2 Function OverviewInterface Specification FeatureSee the HUAWEI MG323 Series Wireless Module AT Command DescriptionFeature 2.3 Application Block Diagram2.4 Circuit Block Diagram DescriptionHardware Guide IssueHUAWEI MG323 GSM M2M Module Overall Description3 Description of the Application Interfaces 3.2 B2B Connector Interface3.1 About This Chapter Normal DC CharacteristicsPin Name DescriptionDescription DC CharacteristicsPin Name NormalDC Characteristics 3.3 Power Interface3.3.1 Overview Pin NameModule Signal Name3.3.2 VBAT Interface Pin No3.3.4 VIO Interface 3.4 Power-On and Power-Off Time Sequence3.3.3 VCOIN Interface 3.4.1 OverviewPin No 3.4.2 Power-On Time SequenceSignal Name Description3.4.4 RESET 3.5 Signal Control Interface3.4.3 Power-Off Time Sequence 3.5.1 OverviewPin No 3.5.2 Input Signal Control PinsSignal Name DescriptionWorking or Network Status 3.5.3 Output Signal Control PinOutput Status of the LEDSTATUS Pin Direction 3.6 UART Interface3.6.1 Overview Signal NameFeature 3.6.2 Circuit Recommended for the UART InterfaceSignal Name Pin NoSignal Name 3.7 SIM Card Interface3.7.1 Overview Pin NoPin No 3.7.2 Circuit Recommended for the SIM Card InterfaceSignal Name Description3.8 Audio Interface Hardware Guide IssueHUAWEI MG323 GSM M2M Module Description of the Application Interfaces4 Antenna Interface 4.2 Antenna Installation4.1 About This Chapter Environmental 4.3 Coaxial Cable and RF ConnectorRated Condition Type MaterialIt is recommended that you use the Hirose coaxial cable with the RF 4.4 ESD Protection for the Antenna Interface 4.5 RF Specifications of the Antenna InterfaceSpecification MinimumTypical SpecificationMinimum Maximum4.6 Specifications of the Antenna Interface 5.1 About This Chapter 5 Electrical and Reliability FeaturesSymbol 5.2 Extreme Working ConditionsSpecification 5.3 Operating and Storage Temperatures and Humidity5.4 Electrical Criteria of Application Interfaces Signal NameRemarks FunctionWaveform and LevelWaveform and Signal NameFunction RemarksWaveform and Signal NameFunction Remarks5.5.2 Working Current 5.5 Power Supply Features5.5.1 Input Power Supply ParameterTypical value ConfigurationWorking Mode RemarkStandard 5.6 Reliability FeaturesTest Condition ConfigurationTest Condition StandardContact Discharge 5.7 ESD FeaturesESD Test Standard Air Discharge6.2 Dimensions 6 Mechanical Specifications6.1 Overview Issue 06 6.3 Dimensions of the B2B ConnectorMechanical Specifications HUAWEI MG323 GSM M2M ModuleHRS Number ModelStacking Height mm6.4 MG323 Module Installation Description Figure 6-6 MG323 module installation 6.5 Specification Selection for Fasteners HUAWEI MG323 GSM M2M Module Mechanical SpecificationsIssue 06 Hardware Guide7 Appendix A Circuits of Typical Interfaces Issue 06RESET HUAWEI MG323 GSM M2M ModuleAcronym or Abbreviation 8 Appendix B Acronyms and AbbreviationsExpansion Expansion Acronym or AbbreviationPBCCH