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Manual Huawei EM820W

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  • Huawei EM820W - page 1

    HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Issue 01 Date 2010-12-31 ...

  • Huawei EM820W - page 2

    Huawei Technologies Co., Ltd. provide s customers with comprehensive te chnical support and service. For any assistance, please contact our local office or company headquarters . Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang, Shenzhen 518129, People’ s Republic of China Tel: +86-755-28780808 Gl obal Hotline: +86-755-2856 ...

  • Huawei EM820W - page 3

    HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide About This Docum ent Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. About This Document History Version Date Chapter Descriptions 01 2010-12-31 Creation ...

  • Huawei EM820W - page 4

    HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide Contents Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. i Contents 1 Introduction ...................................................................................................................................... 1 1.1 Overview ..... ...

  • Huawei EM820W - page 5

    HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide Contents Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. ii 4.4.1 Antenna Design Indicators ............................................................................................... 20 4.4.2 Interference ............................ ...

  • Huawei EM820W - page 6

    HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide T ables Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. iii Tables T able 2-1 Feature ............................................................................................................................... . 2 T able 3-1 Pin defin ...

  • Huawei EM820W - page 7

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Figures Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. iv Figures Figure 2-1 Circuit block diagram of the EM820W module ........................................................... 4 Figure 2-2 Application block diagram of the EM820W modul ...

  • Huawei EM820W - page 8

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Introduction Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 1 1 Introduction 1.1 Overview This document describes the hardware application interfaces and air interfaces that are provided when the Huawei EM820W HSP A+ PC Embedded module (h ...

  • Huawei EM820W - page 9

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 2 2 Overall Description 2.1 About This Chapter This chapter gives a general descripti on of the EM820W module and provides: z Function Overview z Circuit Block Diagram z A ...

  • Huawei EM820W - page 10

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 3 Feature Description W_Disable#: for turning on/off the RF signal. LED_WWAN#: Active-low LED signal indicating the state of the card Power Interface New message alert, re ...

  • Huawei EM820W - page 11

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 4 Figure 2-1 Circu it block diagram of the EM820W module 2.4 Application Block Diagram Figure 2-2 Applica tion block diagra m of the EM820W modu le ...

  • Huawei EM820W - page 12

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 5 3 Description of the Application Interfaces 3.1 About This Chapter This chapter mainly describes the exter nal application interfaces of the EM820W ...

  • Huawei EM820W - page 13

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 6 Definition of the EM820W Mini PCI Express pins Pin No. Mini PCI Express Standard Description HUAWEI Pin Description Additional Description Directio ...

  • Huawei EM820W - page 14

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 7 Definition of the EM820W Mini PCI Express pins Pin No. Mini PCI Express Standard Description HUAWEI Pin Description Additional Description Directio ...

  • Huawei EM820W - page 15

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 8 Definition of the EM820W Mini PCI Express pins Pin No. Mini PCI Express Standard Description HUAWEI Pin Description Additional Description Directio ...

  • Huawei EM820W - page 16

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 9 Figure 3-1 HUA WEI EM820W power supply t ime sequence. Parameter Remarks Time(Nominal value) Unit Tpd Power Valid to USB D+ high 3.24 sec 3.5 USB S ...

  • Huawei EM820W - page 17

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 10 The high-speed signal characteristics ar e in accordance with the Eye Pattern T emplates of the USB2.0 signal specification. 3.6 USIM Signals The ...

  • Huawei EM820W - page 18

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 11 Figure 3-2 USIM in terface schematic on PC Figure 3-3 Pin definition of the SIM card Socket pin1: SIM_VCC pin4: GND pin2: SIM_RESET pin5: NULL pin ...

  • Huawei EM820W - page 19

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 12 module board before entering the EM820W pr oc essor . There is also an EMI filtering and ESD protection circuit between the SIM ca rd interface an ...

  • Huawei EM820W - page 20

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 13 Table 3-8 SIM IO requir ements IO Minimum Maximum V IL 0 0.4 V IH 0.7Vcc Vcc V OL –0.3 0.2 Vcc V OH 0.7 Vcc Vcc+0.3 The V OL max of 0.45 V for t ...

  • Huawei EM820W - page 21

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 14 3.7 W_DISABLE# Signal The W_DISABLE# signal is provided to allow users to disable wireless communications add-in cards. When the W_DI SABLE# signa ...

  • Huawei EM820W - page 22

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 15 Table 3-11 LED_WW AN signal Pins Name Description Additional Description Direction to Module 42 LED_WWAN Active-low LED signal indicating the stat ...

  • Huawei EM820W - page 23

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 16 Figure 3-5 LED typica l electro-optical characteristics curves 3.9 WAKE_NB_N Signal W AKE_NB_N (signal that the modul e uses to activate the PC) S ...

  • Huawei EM820W - page 24

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 17 4 RF Specifications 4.1 Operating Frequencies T able 4-1 shows the RF bands supported by EM820W . Table 4-1 RF band s Operating Band Tx Rx UMTS 2100 (Band I ) 1920–19 ...

  • Huawei EM820W - page 25

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 18 Compensation for WCDMA 850 MHz or 900 MHz: 0.6 dB Compensation for WCDMA 2100 MHz or WCDMA 1900 MHz: 0.8 dB The compensation for different frequenc y bands re lates to ...

  • Huawei EM820W - page 26

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 19 EM820W Test Value (dBm) Item 3GPP Protocol Claim (dBm) Min Type Max BandII (BER<0.1%) < -104.7 - -110 -108 Band VIII (BER<0.1%) < -103.7 - -110 -108 Band V ...

  • Huawei EM820W - page 27

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 20 4.4 Antenna Design Requirements 4.4.1 Antenna Desig n Indicators Antenna Efficiency Antenna efficiency is the ratio of the in put power to the radiated or received powe ...

  • Huawei EM820W - page 28

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 21 z Adding a bandpass filter to the Wi-Fi channel to filter the WCDMA, GSM850, GSM900, DCS, and PCS signals z Ensuring sufficient isolatio n between the master antenna of ...

  • Huawei EM820W - page 29

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 22 Envelope Correlation C oefficient The envelope correlation coefficient indi cates the correlation between different antennas in a multi-antenna system (mas ter antenna, ...

  • Huawei EM820W - page 30

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 23 into account. The appropriate antenna gain pr olongs the service life of relevant batteries. The following antenna gain is reco mmended for antennas on laptops: z Gain ...

  • Huawei EM820W - page 31

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 24 GSM/WCDMA Antenna Requirements Bandwidth 70 MHz in GSM850 80 MHz in GSM900 170 MHz in DCS 140 MHz PCS 70 MHZ in WCDMA850 80 MHz in WCDMA900 140 MHz in WCDMA1900 250 MHz ...

  • Huawei EM820W - page 32

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 25 Active Tests z TRP: GSM, WCDMA, CDMA, TD-SCDMA, and L TE systems z TIS: GSM, WCDMA, CDMA, TD-SCDMA, and L TE systems Figure 4-1 shows the SA TIMO microwave testing cham ...

  • Huawei EM820W - page 33

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 26 Figure 4-2 Recommend ed antenna positions z It is recommended that the antenna patte rn be designed based on the horizontal polarized omnidirectional pattern that fa ci ...

  • Huawei EM820W - page 34

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 27 Figure 4-3 shows the ESD protection circuit recommended for the antenna interface. Figure 4-3 ESD protection circuit recommended for the antenna inter face It is recomm ...

  • Huawei EM820W - page 35

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 28 5 Electrical and Reliability Features 5.1 About This Chapter This chapter describes the electrical and reliability features of t he interfaces in the E ...

  • Huawei EM820W - page 36

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 29 Table 5-1 W orking and storage temperature s and humidity for the EM820W module Specification Minimum Value Maximum Value Unit Normal working temperatu ...

  • Huawei EM820W - page 37

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 30 5.5 Power Supply Features 5.5.1 Power Supply The EM820W receives its power supply fr om a 3.3 V power source, which must satisfy all requirements of PC ...

  • Huawei EM820W - page 38

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 31 Description Band Test Value Units Power (dBm) 348 1 dBm Tx Power 395 10 dBm Tx Power Band I 585 mA 24 dBm Tx Power 350 1 dBm Tx Power 409 10 dBm Tx Pow ...

  • Huawei EM820W - page 39

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 32 Description Test Value Units PCL Configuration 225 2 Up/1 Down 345 1 Up/1 Down 514 mA 5 2 Up/1 Down 143 1 Up/1 Down GPRS900 195 mA 15 2 Up/1 Down 236 1 ...

  • Huawei EM820W - page 40

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 33 Description Test Value Units PCL Configuration 194 1 Up/1 Down 257 2 Up/1 Down 341 mA 2 4 Up/1 Down 142 1 Up/1 Down 177 2 Up/1 Down EDGE1900 218 mA 10 ...

  • Huawei EM820W - page 41

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 34 Item Test Condition Standard Low-temperature working Temperature: –30±2ºC Test duration: 24 h IEC60068 High-temperature working Temperature: 75±2? ...

  • Huawei EM820W - page 42

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 35 Item Test Condition Standard Drop test First case: 0.3 m in height. Drop the EM820W module on the marble terrace with one surface facing downwards twic ...

  • Huawei EM820W - page 43

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 36 6 Mechanical Specifications 6.1 Dimensions and Interfaces 6.1.1 Dimensions and Interfaces of EM820W The dimensions of EM820W are 50.95 mm (length) × 30 mm (wid ...

  • Huawei EM820W - page 44

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 37 Figure 6-2 shows a 52-pin Mini PCI Expr ess connector (take the Molex 67910002 as an example). Figure 6-2 Dimensions of the Mini PCI E xpress c onnect or 6.3 Spe ...

  • Huawei EM820W - page 45

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 38 Step 2 Press downwards to fix the EM820W in the module slot. Step 3 Use a screwdriver to fix the EM820W on t he main board of the PC with two screws provided in ...

  • Huawei EM820W - page 46

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 39 6.3.2 Romoving the EM820W from the Main Board of PC Step 1 Disconnect the antenna cables from the EM820W. You can lift the connectors using a small screwdriver. ...

  • Huawei EM820W - page 47

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix A Circuit s of T ypical Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 40 7 Appendix A Circuits of Typical Interfaces Figure 7-1 Circu its of typica l interfaces in the EM82 0W module ...

  • Huawei EM820W - page 48

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix B Acronyms and Abbreviations Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 41 8 Appendix B Acronyms and Abbreviations Acronym or Abbreviation Expansion BB Baseband CE European Conformity CS Coding Scheme CSD Circuit Switched Dat ...

  • Huawei EM820W - page 49

    HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix B Acronyms and Abbreviations Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 42 Acronym or Abbreviation Expansion NTC negative temperature coefficient PBCCH Packet Broadcast Control Channel PCB printed circuit board PDU protocol d ...

Manufacturer Huawei Category Sewing Machine

Documents that we receive from a manufacturer of a Huawei EM820W can be divided into several groups. They are, among others:
- Huawei technical drawings
- EM820W manuals
- Huawei product data sheets
- information booklets
- or energy labels Huawei EM820W
All of them are important, but the most important information from the point of view of use of the device are in the user manual Huawei EM820W.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Huawei EM820W, service manual, brief instructions and user manuals Huawei EM820W. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Huawei EM820W.

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A complete manual for the device Huawei EM820W, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Huawei EM820W by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Huawei EM820W.

A complete Huawei manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Huawei EM820W - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Huawei EM820W, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Huawei EM820W, that we can find in the current document
3. Tips how to use the basic functions of the device Huawei EM820W - which should help us in our first steps of using Huawei EM820W
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Huawei EM820W
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Huawei EM820W in a specific country, if it was not possible to solve the problem on our own.

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