Quectel M80 GSM/GPRS Module Manuals

Manuals and User Guides for Quectel M80 GSM/GPRS Module. We have 2 Quectel M80 GSM/GPRS Module manuals available for free PDF download: Audio Design Manual, User Manual

Quectel M80 Audio Design Manual

Quectel M80 Audio Design Manual (36 pages)

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

Table of Contents

About the Document

3
Contents

4
- Table of Contents
  4
1 Introduction

8
- Summary
  8
- Safety Information
  8
2 Audio Circuit Design

10
- Audio Circuit Reference
  11
  - M1X
    11
    
    Microphone Reference Circuit
    11
    
    Receiver Reference Circuit
    12
    
    Headset Reference Circuit
    14
  - M95
    14
  - Microphone Reference Circuit
    14
    
    Receiver Reference Circuit
    15
    
    Headset Reference Circuit
    15
    
    SPK Reference Circuit
    16
  - M80
    17
    
    Microphone Reference Circuit
    17
    
    Receiver Reference Circuit
    17
    
    Headset Reference Circuit
    19
    
    SPK Reference Circuit
    19
- Ringtone
  20
- Hands-Free Application at Channel AIN1/AOUT1
  21
- Suggestion for Audio Layout
  22
- TDD Noise Solution
  22
- Suggestion for Mechanical Design
  23
- Component of SPK
  26
- Component of Microphone
  27
3 Description and Suggestion

28
- AT Command
  28
  - At+Qaudch
    28
  - How to Modify Volume
    29
    
    At+Qmic
    29
    
    At+Clvl
    30
    
    At+Qsidet
    31
  - Echo Algorithm
    32
    
    Description of Par0, Par2 and Par12
    34
    
    Recommended Application Field
    35

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Quectel M80 User Manual

Quectel M80 User Manual (31 pages)

Quectel Cellular Engine

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

Table of Contents

Table of Contents
3
Revision History

6
1 Introduction

7
- Related Documents
  7
- Safety Precautions
  7
2 EVB Kit Introduction

9
- EVB Top and Bottom View
  9
- EVB Accessories
  12
3 Interface Application

13
- Power Interface
  13
- Audio Interface
  14
- Loud Speaker
  15
- SIM Card Interface
  16
  - SIM1 Card Interface
    16
  - SIM2 Card Interface
    17
- Antenna Interface
  18
- Serial Port and Debug Port
  18
- Switches and Buttons
  20
- Operating Status LED
  21
- USB Interface
  22
- Test Points
  23
  - Con101
    24
  - Con102
    24
  - Con103
    25
  - Con104
    26
  - Con105
    27
4 EVB Accessories Assembly

28
5 Illustration

29
- Power on
  29
- Communicate with the Module
  29
- Firmware Upgrade through Main UART
  29
- Turn off
  30
- Emergency off
  30
- Auxiliary UART
  30

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