Quectel EC21-EUX Manuals

Manuals and User Guides for Quectel EC21-EUX. We have 1 Quectel EC21-EUX manual available for free PDF download: Hardware Design

Quectel EC21-EUX Hardware Design

Quectel EC21-EUX Hardware Design (122 pages)

LTE Standard Module

Brand: Quectel | Category: Control Unit | Size: 3.47 MB

Table of Contents

Safety Information

4
About the Document

6
Contents

10
- Table of Contents
  10
1 Introduction

17
- Special Marks
  19
2 Product Overview

20
- Frequency Bands and Functions
  20
- Key Features
  21
- Functional Diagram
  24
- Evb
  25
3 Application Interfaces

26
- General Description
  26
- Pin Assignment
  27
- Pin Description
  28
- Operating Modes
  38
- Power Saving
  38
  - Sleep Mode
    38
    
    UART Application Scenario
    38
    
    USB Application with USB Remote Wakeup Function
    39
    
    USB Application with USB Suspend/Resume and RI Function
    40
    
    USB Application Without USB Suspend Function
    40
  - Airplane Mode
    41
- Power Supply
  42
- Power-On/Off Scenarios
  44
  - Turn on with PWRKEY
    44
  - Turn off Module
    46
    
    Turn off with PWRKEY
    47
    
    Turn off with at Command
    47
- Reset
  47
- U)SIM Interface
  49
- USB Interface
  52
- UART Interfaces
  53
- PCM and I2C Interfaces
  55
- SD Card Interface
  58
- Interfaces for WLAN & Bluetooth Applications
  59
  - WLAN Application Interface
    62
  - Bluetooth Application Interface
    62
- ADC Interfaces
  62
- SGMII Interface
  63
- Network Status Indication
  65
- Status
  67
- USB_BOOT Interface
  68
4 RF Specifications

70
- Cellular Network
  70
  - Antenna Interfaces & Frequency Bands
    70
  - Operating Frequency
    70
  - Tx Power
    72
  - Rx Sensitivity
    72
  - Reference Design
    78
- Gnss
  79
  - Antenna Interface and Frequency Bands
    79
  - GNSS Performance
    80
  - Reference Design
    81
  - Layout Guidelines
    81
- RF Routing Guidelines
  81
- Antenna Design Requirements
  84
- RF Connector Recommendation
  84
5 Electrical Characteristic and Reliability

87
- Absolute Maximum Ratings
  87
- Power Supply Ratings
  88
- Operating and Storage Temperatures
  88
- Power Consumption
  89
- Esd
  105
- Thermal Dissipation
  105
6 Mechanical Information

108
- Mechanical Dimensions
  108
- Recommended Footprint
  110
- Top and Bottom Views
  111
7 Storage, Manufacturing and Packaging

112
- Storage Conditions
  112
- Manufacturing and Soldering
  113
- Packaging Specifications
  114
  - Carrier Tape
    114
  - Plastic Reel
    115
  - Packaging Process
    116

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