Quectel EC21 Series Manuals

Manuals and User Guides for Quectel EC21 Series. We have 3 Quectel EC21 Series manuals available for free PDF download: Command Manual, Hardware Design

Quectel EC21 Series Command Manual (232 pages)

LTE Module Series, AT Commands

Brand: Quectel | Category: Control Unit | Size: 1.24 MB

About the Document

3
Contents

4
- Table of Contents
  4
1 Introduction

10
- Scope of the Document
  10
- AT Command Syntax
  10
- Supported Character Sets
  11
- AT Command Interface
  11
- Unsolicited Result Code
  11
- Turn off Procedure
  12
2 General Commands

13
3 Serial Interface Control Commands

32
4 Status Control Commands

38
5 (U)SIM Related Commands

61
6 Network Service Commands

75
7 Call Related Commands

90
8 Phonebook Commands

111
- AT+CNUM Subscriber Number
  111
- AT+CPBF Find Phonebook Entries
  112
- AT+CPBR Read Phonebook Entries
  113
- AT+CPBS Select Phonebook Memory Storage
  114
- AT+CPBW Write Phonebook Entry
  115
9 Short Message Service Commands

117
- AT+CSMS Select Message Service
  117
- AT+CMGF Message Format
  118
- AT+CSCA Service Center Address
  119
- AT+CPMS Preferred Message Storage
  120
- AT+CMGD Delete Message
  122
- AT+CMGL List Messages
  123
- AT+CMGR Read Message
  126
- AT+CMGS Send Message
  130
- AT+CMMS more Messages to Send
  132
- AT+CMGW Write Message to Memory
  133
- AT+CMSS Send Message from Storage
  135
- AT+CNMA New Message Acknowledgement to UE/TE
  136
- AT+CNMI SMS Event Reporting Configuration
  138
- AT+CSCB Select Cell Broadcast Message Types
  140
- AT+CSDH Show SMS Text Mode Parameters
  141
- AT+CSMP Set SMS Text Mode Parameters
  142
- AT+QCMGS Send Concatenated Messages
  143
- AT+QCMGR Read Concatenated Messages
  145
10 Packet Domain Commands

147
11 Supplementary Service Commands

176
12 Audio Commands

189
13 Hardware Related Commands

205
- AT+QPOWD Power off
  205
- AT+CCLK Clock
  205
- AT+CBC Battery Charge
  206
- AT+QADC Read ADC Value
  207
- AT+QSCLK Enable/Disable Entering into Sleep Mode
  208
14 Appendix

209
- References
  209
- Factory Default Settings Restorable with AT&F
  210
- AT Command Settings Storable with AT&W
  212
- AT Command Settings Storable with ATZ
  213
- Summary of CME ERROR Codes
  214
- Summary of CMS ERROR Codes
  216
- Summary of URC
  217
- SMS Character Sets Conversions
  220
- Release Cause Text List of AT+CEER
  226

Quectel EC21 Series Hardware Design (122 pages)

LTE Standard Module

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

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

Quectel EC21 Series Hardware Design (95 pages)

LTE Module Series

Brand: Quectel | Category: Control Unit | Size: 2.6 MB

Quectel Categories

Control Unit GSM/GPRS Modules Motherboard Wireless modules

GPS

More Quectel Manuals

Quectel EC21 Series Manuals

Quectel EC21 Series Command Manual (232 pages)

Table of Contents

About the Document

Contents

1 Introduction

2 General Commands

3 Serial Interface Control Commands

4 Status Control Commands

5 (U)SIM Related Commands

6 Network Service Commands

7 Call Related Commands

8 Phonebook Commands

9 Short Message Service Commands

10 Packet Domain Commands

11 Supplementary Service Commands

12 Audio Commands

13 Hardware Related Commands

14 Appendix

Quectel EC21 Series Hardware Design (122 pages)

Table of Contents

Safety Information

About the Document

Contents

1 Introduction

2 Product Overview

3 Application Interfaces

4 RF Specifications

5 Electrical Characteristic and Reliability

6 Mechanical Information

7 Storage, Manufacturing and Packaging

Quectel EC21 Series Hardware Design (95 pages)

Table of Contents

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