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Huawei EM820W manual Specification Selection for Fasteners

Models: EM820W

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HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide	Mechanical Specifications

Figure 6-2 shows a 52-pin Mini PCI Express connector (take the Molex 67910002 as an example).

Figure 6-2Dimensions of the Mini PCI Express connector

6.3 Specification Selection for Fasteners

6.3.1 Installing the EM820W on the Main Board of PC

To install the EM820W on the main board of the PC, do the following:

Step 1 Insert the Mini PCI Express connector of the EM820W into the WWAN Mini PCI Express interface on the main board of PC.

Issue 01 (2010-12-31)	Huawei Proprietary and Confidential	37
	Copyright © Huawei Technologies Co., Ltd.

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Huawei manual Specification Selection for Fasteners, Installing the EM820W on the Main Board of PC

Contents

Issue Date Hardware GuideNo Warranty Version Date Chapter Descriptions About This DocumentHistory Contents Electrical and Reliability Features Recommendations for Designing the Module AntennasTables Figures Introduction OverviewFeature Description Overall DescriptionAbout This Chapter Function OverviewCircuit Block Diagram SMSApplication Block Diagram 1Circuit block diagram of the EM820W moduleDescription of the Application Interfaces Mini PCI Express InterfaceUimreset WDISABLE# WdisablenVCC3V3 COEX1USB signal D Input/output USB signal D+ Input/outputActive-low LED signal Output Indicating the state Card Mini Card ground Not connectedPower Sources and Grounds Power Supply Time SequenceName Pins Minimum Type Maximum VCCUSB Signals Parameter RemarksTimeNominal value Unit Name Pin Description Direction to ModuleUsim Signals Usim Interface Schematic ReferencePin Name Description UIM/SIMDesign Guide Minimum Maximum 2Vcc7Vcc SIM CLK requirements 7VccCertification Test 8SIM IO requirementsVcc Vcc Vcc+0.3WDISABLE# Signal LEDWWAN# SignalPins Name Description Direction to Module SW Control Setting Radio Operation11LEDWWAN signal Pins Name Description Additional Direction to ModuleLedwwan IF*R+VF+IF*100 =VCCNC pins are not internally connected in the EM820W Wakenbn SignalNC Pins RF Specifications Operating FrequenciesConducted RF Measurement Test EnvironmentConducted Rx Sensitivity and Tx Power Test StandardsConducted Receive Sensitivity EM820W Test Value dBmConducted Transmit Power 3GPP Protocol EM820W Test Value dBm Claim dBm Min Type MaxAntenna Design Indicators Antenna Design RequirementsUMTS850 UMTS900DCS PCSEnvelope Correlation Coefficient GSM/WCDMA Antenna Requirements Interference3 GSM/WCDMA Antenna Requirements Radio Test Environment Passive TestsDesign Recommendations Recommendations for Designing the Module AntennasESD Protection for the Antenna Interface Issue 01 Huawei Proprietary and Confidential Extreme Working Conditions Electrical and Reliability FeaturesWorking and Storage Temperatures and Humidity Parameter Description Minimum Value Specification Minimum Value Maximum Value UnitElectrical Criteria of Application Interfaces Power Supply Features Power SupplyPower Consumption Power Voltage Tolerance Peak Maximum Normal MaximumConfiguration HsdpaHsupa Description Test Value Units225 Up/1 Down GPRS900EDGE850 250 Up/1 Down 351 488 165 217 293Test Condition Standard Reliability FeaturesScenario Idle Suspend Unit Offline Enabled Disabled Test Condition Standard EMC and ESD Features Mechanical Specifications Dimensions and InterfacesDimensions of the Mini PCI Express Connector Dimensions and Interfaces of EM820WSpecification Selection for Fasteners Installing the EM820W on the Main Board of PCIssue 01 Huawei Proprietary and Confidential Romoving the EM820W from the Main Board of PC Appendix a Circuits of Typical Interfaces 1Circuits of typical interfaces in the EM820W moduleAppendix B Acronyms and Abbreviations Acronym or Abbreviation ExpansionNTC PbcchPCB PDU

Figure 6-2 shows a 52-pin Mini PCI Express connector (take the Molex 67910002 as an example).

Figure 6-2Dimensions of the Mini PCI Express connector

6.3 Specification Selection for Fasteners

6.3.1 Installing the EM820W on the Main Board of PC

Issue 01 (2010-12-31)