USR IOT USR-GM3 Manuals

Manuals and User Guides for USR IOT USR-GM3. We have 3 USR IOT USR-GM3 manuals available for free PDF download: User Manual

USR IOT USR-GM3 User Manual

USR IOT USR-GM3 User Manual (54 pages)

Brand: USR IOT | Category: GSM/GPRS Modules | Size: 1 MB

Table of Contents

USR-GM3 User Guide
1
Table of Contents
2
Quick Start
3
- Testing Environment
  3
- Transmission
  4
2 Introduction

5
- Short Description
  5
- Characteristic
  6
- Features
  6
- Application Field
  6
3 Hardware

8
- Pin Description
  8
  - Outside View
    8
  - Pin Assignment（Top
    8
  - PCB Layout
    9
  - Pin Description
    10
  - Outside Antenna
    11
4 Module Functions

12
- Work Mode
  12
  - Switching Work Mode
    12
  - Network Transmission
    13
  - HTTPD Function
    20
  - SMS Message Transmission
    24
- Register Package
  28
  - Description
    28
  - Usage
    28
- Heart Beat Package
  29
  - Description
    29
  - Usage
    30
- Uart
  31
  - Rs485
    31
  - Similar RFC2217
    31
5 Parameters Setting

33
- Operating at Command
  33
- AT Command Format
  34
- AT Command Set
  36
Appendix A: Contact

54
Appendix B: Disclaimer

54
Appendix C: Update History

54

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USR IOT USR-GM3 User Manual

USR IOT USR-GM3 User Manual (55 pages)

Brand: USR IOT | Category: GSM/GPRS Modules | Size: 1 MB

Table of Contents

Table of Contents
2
Transmission
4
2 Introduction

6
- Characteristic
  6
- Features
  6
3 Hardware

8
- PCB Layout
  9
4 Module

12
- Work Mode
  12
  - Network Transmission
    12
  - SMS Message Transmission
    12
  - Description
    13
  - Usage
    13
- Heart Beat Package
  30
  - Description
    31
  - Rs485
    31
  - Similar RFC2217
    32
- AT Command Set
  36
Appendix A: Contact

54
Appendix B: Disclaimer

55
Appendix C: Update History

55

USR IOT USR-GM3 User Manual

USR IOT USR-GM3 User Manual (52 pages)

Brand: USR IOT | Category: Control Unit | Size: 1 MB

Table of Contents

Table of Contents
2
Transmission
4
2 Introduction

6
- Characteristic
  6
- Features
  6
3 Hardware

8
- PCB Layout
  9
- Outside Antenna
  11
- Network Transmission
  12
- SMS Message Transmission
  12
- Description
  19
- Usage
  19
- Heart Beat Package
  27
  - Description
    28
- Uart
  28
  - Rs485
    28
  - Similar RFC2217
    29
- AT Command Set
  32
Appendix A: Contact

52
Appendix B: Disclaimer

52
Appendix C: Update History

52

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