MEIG SLM750VA Wireless Module Manuals

Manuals and User Guides for MEIG SLM750VA Wireless Module. We have 1 MEIG SLM750VA Wireless Module manual available for free PDF download: Product Manual

MEIG SLM750VA Product Manual

MEIG SLM750VA Product Manual (84 pages)

Brand: MEIG | Category: Wireless modules | Size: 3 MB

Table of Contents

Table of Contents
4
1 Introduction

8
- Safety Information
  9
- Purpose
  10
- Content List
  10
2 Product Overview

11
- Basic Description
  11
- Main Performance
  11
- Functional Diagram
  14
- Evaluation Board
  15
3 Application Interface

16
- General Description
  16
- LCC Card Interface Definition
  17
- Pin Description
  17
- Operating Mode
  28
- Power Saving
  30
  - Sleep Mode
    30
    
    USB Application (with USB Remote Waking-Up Function)
    30
    
    USB Application (Without USB Suspend Function)
    31
    
    Hardware I/O Control Sleep Mode
    31
  - Flight Mode
    32
    
    Hardware I/O Interface Controls Flight Mode
    32
    
    AT Command Controls Flight Mode
    32
- Power Supply
  32
  - Power Supply Pins
    32
  - Decrease Voltage Drop
    33
  - Reference Design for Power Supply
    34
  - VDD_EXT Voltage Output
    35
- Turn on and off
  35
  - Turn on Module Using the PWRKEY
    35
  - Turn off Module Using the PWRKEY Pin
    37
    
    PWRKEY Pin Shutdown
    37
    
    AT Command Shutdown
    38
- Reset the Module
  38
  - Hardware Reset
    39
  - AT Command Reset
    40
- USIM/SIM Card Interface
  40
- USB Interface
  42
  - USB Pin Description
    43
  - USB Reference Circuit
    43
  - USB Driver
    44
- UART Interface
  44
- PCM and I2C Interface
  46
- Network Status Indication
  48
- Status
  49
- ADC Function
  50
- SGMII Interface
  50
- Wireless Connectivity Interfaces
  52
  - WLAN Interface
    54
  - BT Interface
    55
- SD Card Interface
  55
- USB_BOOT Interface
  57
4 Gnss

58
- General Description
  58
- GNSS Performance
  58
- Layout Guideline
  59
5 Antenna Interface

59
- RF Reference Circuit
  60
- Antenna Installation
  62
  - Antenna Requirements
    62
  - RF Output Power
    62
  - RF Receiving Sensitivity
    63
  - Operating Frequency
    64
  - Antenna Requirements
    64
6 Electrical Characteristics

65
7 Mechanical Dimensions

74
8 Storage and Manufacturing

78
- Storage
  78
- Manufacturing and Welding
  79
- Packing
  79
9 Appendix A References

81
- Related Documents
  81
- Terms and Abbreviations
  81
10 Appendix B GPRS Coding Scheme

83

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