User Manuals: Huawei ME909s-821 LTE Module

Manuals and User Guides for Huawei ME909s-821 LTE Module. We have 2 Huawei ME909s-821 LTE Module manuals available for free PDF download: Hardware Manual, Hardware Migration Manual

Huawei ME909s-821 Hardware Manual (76 pages)

LTE Mini PCIe Module

Brand: Huawei | Category: Control Unit | Size: 1 MB

Table of Contents
4
1 Introduction

7
2 Overall Description

8
- About this Chapter
  8
- Function Overview
  8
- Circuit Block Diagram
  10
3 Description of the Application Interfaces

12
- About this Chapter
  12
- Mini Pcie Interface
  12
- Power Interface
  17
  - Power Sources and Grounds
    17
  - Power Supply Time Sequence
    18
- Signal Control Interface
  19
  - Overview
    19
  - WAKE# Signal
    20
  - WAKEUP_IN Signal
    20
  - RESIN_N Signal
    21
  - LED_WWAN# Signal
    22
- UART Interface
  23
  - Circuit Recommended for the UART Interface
    24
- USB Interface
  24
- USIM Card Interface
  25
  - Overview
    25
  - USIM_DET Pin
    26
  - Circuit Recommended for the USIM Card Interface
    28
- Audio Interface
  29
- NC Pins
  31
- Reserved Pins
  31
4 RF Specifications

32
- About this Chapter
  32
- Operating Frequencies
  32
- Conducted RF Measurement
  34
  - Test Environment
    34
  - Test Standards
    34
- Conducted Rx Sensitivity and Tx Power
  34
  - Conducted Receive Sensitivity
    34
  - Conducted Transmit Power
    36
- Antenna Design Requirements
  37
  - Antenna Design Indicators
    37
  - Interference
    40
  - Antenna Requirements
    40
- Suggestions about LTE and 2.4 Ghz Wi-Fi Co-Existence
  41
  - Theory Analysis
    41
  - Suggestions about the Interference
    42
5 Electrical and Reliability Features

43
- About this Chapter
  43
- Absolute Ratings
  43
- Operating and Storage Temperatures
  43
- Power Supply Features
  44
  - Input Power Supply
    44
  - Power Consumption
    45
- Reliability Features
  54
- EMC and ESD Features
  57
6 Mechanical Specifications

60
- About this Chapter
  60
- Dimensions
  60
- Packaging
  62
- Specification Selection for Fasteners
  64
  - Installing the Mini Pcie Adapter on the Main Board
    64
  - Romoving the Mini Pcie Adapter from the Main Board
    65
- Antenna Plug
  66
- Thermal Design Guide
  67
7 Certifications

70
- About this Chapter
  70
8 Safety Information

71
- Interference
  71
- Medical Device
  71
- Area with Inflammables and Explosives
  71
- Traffic Security
  72
- Airline Security
  72
- Safety of Children
  72
- Environment Protection
  72
- WEEE Approval
  72
- Rohs Approval
  72
- Laws and Regulations Observance
  73
- Care and Maintenance
  73
- Emergency Call
  73
- Regulatory Information
  73
  - CE Approval (European Union)
    73
9 Appendix A Circuit of Typical Interface

74
10 Appendix B Acronyms and Abbreviations

75

Huawei ME909s-821 Hardware Migration Manual (70 pages)

30 mm × 30 mm LGA Module

Brand: Huawei | Category: Control Unit | Size: 2 MB

Table of Contents
5
1 Overview

7
2 LGA Interface Differences

19
3 Mechanical Specifications Compatibility Design Guide

48
- Dimension Differences
  48
- Customer PCB Design
  49
  - PCB Pad Design
    49
  - Requirements on PCB Layout
    50
- Assembly Processes
  50
  - General Description of Assembly Processes
    50
  - Stencil Design
    51
  - Reflow Profile
    51
4 Appendix

53
5 Acronyms and Abbreviations

69

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User Manuals: Huawei ME909s-821 LTE Module

Huawei ME909s-821 Hardware Manual (76 pages)

Table of Contents

1 Introduction

2 Overall Description

3 Description of the Application Interfaces

4 RF Specifications

5 Electrical and Reliability Features

6 Mechanical Specifications

7 Certifications

8 Safety Information

9 Appendix A Circuit of Typical Interface

10 Appendix B Acronyms and Abbreviations

Huawei ME909s-821 Hardware Migration Manual (70 pages)

Table of Contents

1 Overview

2 LGA Interface Differences

3 Mechanical Specifications Compatibility Design Guide

4 Appendix

5 Acronyms and Abbreviations

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