User Manuals: Quectel EG91-AUX LTE Module

Manuals and User Guides for Quectel EG91-AUX LTE Module. We have 1 Quectel EG91-AUX LTE Module manual available for free PDF download: Hardware Design

Quectel EG91-AUX Hardware Design

Quectel EG91-AUX Hardware Design (108 pages)

LTE Standard Module

Brand: Quectel | Category: Control Unit | Size: 5 MB

Table of Contents

Safety Information

4
About the Document

6
Contents

10
- Table of Contents
  10
1 Introduction

16
2 Product Concept

18
- General Description
  18
- Key Features
  19
- Functional Diagram
  22
- Evaluation Board
  23
3 Application Interfaces

24
- General Description
  24
- Pin Assignment
  25
- Pin Description
  26
- Operating Modes
  32
- Power Saving
  33
  - Sleep Mode
    33
  - Airplane Mode
    36
- Power Supply
  37
  - Power Supply Pins
    37
  - Decrease Voltage Drop
    37
  - Reference Design for Power Supply
    39
  - Monitor the Power Supply
    39
- Power-On/Off Scenarios
  39
  - Turn on Module Using the PWRKEY
    39
  - Turn off Module
    41
- Reset the Module
  43
- U)SIM Interfaces
  44
- USB Interface
  47
- UART Interfaces
  48
- PCM and I2C Interfaces
  50
- SPI Interface
  53
- Network Status Indication
  54
- Status
  55
- ADC Interface
  55
- Behaviors of RI
  56
- USB_BOOT Interface
  57
4 GNSS Receiver

59
- General Description
  59
- GNSS Performance
  59
- Layout Guidelines
  60
5 Antenna Interfaces

61
6 Reliability , Radio and Electrical Characteristics

70
- Absolute Maximum Ratings
  70
- Power Supply Ratings
  70
- Operating and Storage Temperatures
  71
- Current Consumption
  71
- RF Output Power
  84
- RF Receiving Sensitivity
  85
- Electrostatic Discharge
  89
- Thermal Consideration
  90
7 Mechanical Dimensions

93
8 Storage, Manufacturing and Packaging

99
- Storage
  99
- Manufacturing and Soldering
  100
- Packaging
  101
9 Appendix References

104

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