User Manuals: Quectel EC25-V Cat 4 Module

User Manuals: Quectel EC25-V Cat 4 Module

Manuals and User Guides for Quectel EC25-V Cat 4 Module. We have 1 Quectel EC25-V Cat 4 Module manual available for free PDF download: User Manual

Quectel EC25-V User Manual

Quectel EC25-V User Manual (67 pages)

LTE Module

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

Table of Contents

About the Document

3
Contents

4
- Table of Contents
  4
1 Introduction

8
- Safety Information
  8
2 Product Concept

10
- General Description
  10
- Directives and Standards
  11
  - FCC Statement
    11
- Key Features
  11
- Functional Diagram
  13
- Evaluation Board
  14
3 Application Interface

15
- General Description
  15
- Pin Assignment
  15
- Figure 2: Pin Assignment (Top View)
  16
- Pin Description
  17
- Operating Modes
  22
- Power Saving
  23
  - Sleep Mode
    23
    
    UART Application
    23
    
    USB Application with USB Remote Wakeup Function
    24
    
    USB Application with USB Suspend/Resume and RI Function
    24
    
    USB Application Without USB Suspend Function
    25
  - Airplane Mode
    26
- Power Supply
  26
  - Power Supply Pins
    26
  - Decrease Voltage Drop
    27
  - Reference Design for Power Supply
    28
  - Monitor the Power Supply
    29
- Turn on and off Scenarios
  29
- Reset the Module
  31
- Table 8: Reset_N Pin Description
  32
- USIM Card Interface
  33
- Figure 17: Reference Circuit of 8-Pin Usim Connector
  34
- USB Interface
  35
- Figure 19: Reference Circuit of Usb Application
  36
- UART Interface
  37
- Table 13: Logic Levels of Digital I/O
  38
- PCM and I2C Interface
  39
- Table 14: Pin Definition of Pcm and I2C Interface
  40
- Figure 24: Reference Circuit of Pcm Application with Audio Codec
  41
- ADC Function
  42
- Status
  43
- Behavior of the RI
  44
- Table 20: Behavior of the Ri
  45
4 GNSS Receiver

46
- Layout Guideline
  47
5 Antenna Interface

48
- GNSS Antenna Interface
  49
- Antenna Installation
  50
6 Electrical, Reliability and Radio Characteristics

54
- Operating Temperature
  55
- RF Receiving Sensitivity
  56
7 Mechanical Dimensions

57
- Figure 33: Module Bottom Dimensions (Bottom View)
  58
  - Footprint of Recommendation
    59
  - Top View of the Module
    60
8 Storage and Manufacturing

61
- Packaging
  62
- Figure 38: Carrier Tape
  63
9 Appendix A Reference

64

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