Quectel LTE-TDD Manuals

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

Quectel LTE-TDD Hardware Design

Quectel LTE-TDD Hardware Design (83 pages)

Brand: Quectel | Category: Control Unit | Size: 1.06 MB

Table of Contents

About the Document

2
Contents

5
- Table of Contents
  5
1 Introduction

10
- Safety Information
  11
2 Product Concept

12
- General Description
  12
- Key Features
  13
- Functional Diagram
  15
- Evaluation Board
  16
3 Application Interfaces

17
- General Description
  17
- Pin Assignment
  18
- Pin Description
  19
- Operating Modes
  27
- Power Saving
  28
  - Sleep Mode
    28
    
    Set Sleep Mode Via UART
    29
    
    Set Sleep Mode Via USB with Suspend/Resume and Remote Wakeup
    29
    
    Set Sleep Mode Via USB with Suspend/Resume and RI Function
    30
    
    Set Sleep Mode Via USB Without USB Suspend Function
    31
  - Airplane Mode
    31
- Power Supply
  32
  - Power Supply Pins
    32
  - Decrease Voltage Drop
    33
  - Reference Design of Power Supply
    34
  - Monitor Power Supply
    35
- Turn On/Off
  35
  - Turn on the Module with PWRKEY
    35
  - Turn off the Module
    37
    
    Turn off the Module with PWRKEY
    37
    
    Turn off the Module with at Command
    37
- Reset the Module
  38
- U)SIM Interface
  39
- USB Interface
  41
- UART Interfaces
  43
- PCM and I2C Interfaces
  45
- ADC Interfaces
  47
- Network Indication Interface
  48
- Module Status Indication Interface
  49
- RI Behaviors
  50
- Pcie Interface
  51
- WLAN Control Interface
  52
- SD Card Interface
  53
- SPI Interface
  55
- USB_BOOT Interface
  56
4 Antenna Interfaces

58
- Main/Rx-Diversity Antenna Interface
  58
  - Pin Definition
    58
  - Operating Frequency
    58
  - Reference Design of RF Antenna Interface
    59
  - Reference Design of RF Layout
    60
- Antenna Installation
  62
  - Antenna Requirement
    62
  - Recommended RF Connector for Antenna Installation
    62
5 Electrical, Reliability and Radio Characteristics

64
- Absolute Maximum Ratings
  64
- Power Supply Ratings
  65
- Operation and Storage Temperatures
  65
- Current Consumption
  66
- RF Output Power
  68
- RF Receiving Sensitivity
  69
- Electrostatic Discharge
  69
- Thermal Consideration
  70
6 Mechanical Dimensions

73
7 Storage, Manufacturing and Packaging

77
- Storage
  77
- Manufacturing and Soldering
  78
- Packaging
  80
8 Appendix References

81

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