User Manuals: Quectel EC25-AUX Cat 4 Module

User Manuals: Quectel EC25-AUX Cat 4 Module

Manuals and User Guides for Quectel EC25-AUX Cat 4 Module. We have 1 Quectel EC25-AUX Cat 4 Module manual available for free PDF download: Hardware Design

Quectel EC25-AUX Hardware Design

Quectel EC25-AUX Hardware Design (135 pages)

LTE Standard Module Series

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

Table of Contents

About the Document

3
Contents

7
- Table of Contents
  7
1 Introduction

14
- Safety Information
  15
2 Product Concept

17
- General Description
  17
- Key Features
  18
- Functional Diagram
  21
- Evaluation Board
  22
3 Application Interfaces

23
- General Description
  23
- Pin Assignment
  24
- Pin Description
  25
- Operating Modes
  37
- Power Saving
  37
  - Sleep Mode
    37
    
    UART Application
    38
    
    USB Application with USB Remote Wakeup Function
    38
    
    USB Application with USB Suspend/Resume and RI Function
    39
    
    USB Application Without USB Suspend Function
    40
  - Airplane Mode
    40
- Power Supply
  41
  - Power Supply Pins
    41
  - Decrease Voltage Drop
    42
  - Reference Design for Power Supply
    43
  - Monitor the Power Supply
    43
- Power-On/Off Scenarios
  44
  - Turn on Module Using the PWRKEY
    44
  - Turn off Module
    46
    
    Turn off Module Using the PWRKEY Pin
    46
    
    Turn off Module Using at Command
    46
- Reset Module
  47
- U)SIM Interface
  48
- USB Interface
  51
- UART Interfaces
  52
- PCM and I2C Interfaces
  55
- SD Card Interface
  57
- Wireless Connectivity Interfaces
  59
  - WLAN Interface
    62
  - BT Interface
    62
- ADC Interfaces
  62
- SGMII Interface
  63
- Network Status Indication
  65
- Status
  67
- Behaviors of RI
  67
- USB_BOOT Interface
  68
4 GNSS Receiver

70
- General Description
  70
- GNSS Performance
  70
- Layout Guidelines
  71
5 Antenna Interfaces

72
6 Electrical, Reliability and Radio Characteristics

81
- Absolute Maximum Ratings
  81
- Power Supply Ratings
  82
- Operation and Storage Temperatures
  82
- Current Consumption
  83
- RF Output Power
  105
- RF Receiving Sensitivity
  106
- Electrostatic Discharge
  114
- Thermal Consideration
  114
7 Mechanical Dimensions

117
8 Storage, Manufacturing and Packaging

121
- Storage
  121
- Manufacturing and Soldering
  122
- Packaging
  123

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