Huawei EM820W Manuals

Manuals and User Guides for Huawei EM820W. We have 3 Huawei EM820W manuals available for free PDF download: Hardware Manual, User Manual, Installation Manual

HUAWEI EM820W Hardware Manual (49 pages)

HSPA+ PC Embedded Module

Brand: HUAWEI | Category: Control Unit | Size: 1.41 MB

Table of Contents
4
1 Introduction

8
- Overview
  8
- Table 2-1 Feature
  
  9
- Circuit Block Diagram
  10
- Application Block Diagram
  11
2 Overall Description

9
3 Description of the Application Interfaces

12
- About this Chapter
  12
- Mini PCI Express Interface
  12
- Table 3-3 USB Pins
  
  16
- Table 3-4 USB Signal DC Characteristics
  
  16
- USB Signals
  16
- Table 3-5 USIM Pins
  
  17
- Design Guide
  18
  - Figure 3-2 USIM Interface Schematic on PC
    
    18
    
    Figure 3-3 Pin Definition of the SIM Card Socket
    18
    
    Table 3-6 SIM RST Requirements
    19
    
    Table 3-7 SIM CLK Requirements
    19
    
    Table 3-8 SIM IO Requirements
    20
    
    Table 3-10 Radio Operational States
    21
    
    W_DISABLE# Signal
    21
    
    Figure 3-4 LED_WWAN# Signal Reference Circuit Diagram
    22
    
    Table 3-11 LED_WWAN Signal
    22
    
    Figure 3-5 LED Typical Electro-Optical Characteristics Curves
    23
    
    NC Pins
    23
    
    WAKE_NB_N Signal
    23
    
    Table 4-1 RF Bands
    24
    
    Conducted Receive Sensitivity
    25
    
    Conducted Rx Sensitivity and Tx Power
    25
  - LED_WWAN# Signal
    21
- Certification Test
  20
4 RF Specifications

24
Figure 4-2 Recommended Antenna Positions

33
Figure 4-3 ESD Protection Circuit Recommended for the Antenna Interface

34
5 Electrical and Reliability Features

35
6 Mechanical Specifications

43
7 Appendix A Circuits of Typical Interfaces

47
Figure 7-1 Circuits of Typical Interfaces in the EM820W Module

47
8 Appendix B Acronyms and Abbreviations

48
- HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide
  49

Huawei EM820W User Manual (15 pages)

HSPA+ PC Embedded Module

Brand: Huawei | Category: GSM/GPRS Modules | Size: 0.91 MB

Huawei EM820W Installation Manual (11 pages)

HSPA+Embedded module

Brand: Huawei | Category: Computer Hardware | Size: 0.16 MB

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Huawei EM820W Manuals

HUAWEI EM820W Hardware Manual (49 pages)

Table of Contents

1 Introduction

Table 2-1 Feature

2 Overall Description

Figure 2-2 Application Block Diagram of the EM820W Module

Figure 2-1 Circuit Block Diagram of the EM820W Module

Table 3-1 Pin Definitions of the Mini PCI-E Interface

3 Description of the Application Interfaces

Table 3-2 Power and Ground Specifications

Figure 3-1 HUAWEI EM820W Power Supply Time Sequence

Table 3-3 USB Pins

Table 3-4 USB Signal DC Characteristics

Table 3-5 USIM Pins

Figure 3-2 USIM Interface Schematic on PC

4 RF Specifications

Table 4-2 EM820W Conducted Rx Sensitivity (Unit: Dbm)

Figure 4-2 Recommended Antenna Positions

Figure 4-3 ESD Protection Circuit Recommended for the Antenna Interface

5 Electrical and Reliability Features

Table 5-2 Electrical Features of Application Interfaces

Table 5-1 Working and Storage Temperatures and Humidity for the EM820W Module

Table 5-3 Power Requirements

Table 5-5 DC Power Consumption (GSM/GPRS/EDGE)

6 Mechanical Specifications

Figure 6-2 Dimensions of the Mini PCI Express Connector

7 Appendix A Circuits of Typical Interfaces

Figure 7-1 Circuits of Typical Interfaces in the EM820W Module

8 Appendix B Acronyms and Abbreviations

Huawei EM820W User Manual (15 pages)

Table of Contents

1 Product Overview

2 Introduction to the Development Board

3 Functions of the Interfaces on the Development Board

4 Usage Guide

Huawei EM820W Installation Manual (11 pages)

Table of Contents

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