Quectel EG25-G Cat 4 Module Manuals

Quectel EG25-G Cat 4 Module Manuals

Manuals and User Guides for Quectel EG25-G Cat 4 Module. We have 2 Quectel EG25-G Cat 4 Module manuals available for free PDF download: Hardware Design

Quectel EG25-G Hardware Design

Quectel EG25-G Hardware Design (103 pages)

LTE Module Series

Brand: Quectel | Category: Control Unit | Size: 2 MB

Table of Contents

About the Document
3
Table of Contents
4
Contents
4
Introduction
10
Safety Information
11
Product Concept
12
General Description
12
Key Features
13
Functional Diagram
15
Evaluation Board
16
Application Interfaces
17
General Description
17
Pin Assignment
18
Pin Description
19
Operating Modes
30
Power Saving
31
Sleep Mode
31
UART Application
31
USB Application with USB Remote Wakeup Function
32
USB Application with USB Suspension/Resume and RI Function
32
USB Application Without USB Suspension Function
33
Airplane Mode
34
Power Supply
34
Power Supply Pins
34
Decrease Voltage Drop
35
Reference Design for Power Supply
36
Monitor the Power Supply
37
Power-On and off Scenarios
37
Turn on Module Using the PWRKEY
37
Figure 11: Turn on the Module by Using Keystroke
38
Turn off Module
39
Turn off Module Using the PWRKEY Pin
39
Turn off Module Using at Command
39
Reset the Module
40
U)SIM Interface
41
Table 9: Pin Definition of (U)Sim Interface
42
Figure 18: Reference Circuit of (U)Sim Interface with a 6-Pin (U)Sim Card Connector
43
USB Interface
44
UART Interfaces
45
Table 11: Pin Definition of Main Uart Interface
46
Figure 20: Reference Circuit with Translator Chip
47
PCM and I2C Interfaces
48
Table 14: Pin Definition of Pcm and I2C Interfaces
49
SD Card Interface
50
Figure 25: Reference Circuit of Sd Card
51
Wireless Connectivity Interfaces
52
WLAN Interface
54
BT Interface
55
SGMII Interface
55
Table 17: Pin Definition of Sgmii Interface
56
ADC Interfaces
57
Network Status Indication
58
Status
59
Behaviors of RI
60
USB_BOOT Interface
61
GNSS Receiver
62
General Description
62
GNSS Performance
62
Layout Guidelines
63
Antenna Interfaces
64
Main/Rx-Diversity Antenna Interfaces
64
Pin Definition
64
Operating Frequency
64
Reference Design of RF Antenna Interface
66
Reference Design of RF Layout
66
Figure 33: Microstrip Design on a 2-Layer Pcb
67
GNSS Antenna Interface
68
Antenna Installation
69
Antenna Requirement
69
Recommended RF Connector for Antenna Installation
70
Figure 38: Dimensions of the U.fl-R-Smt Connector (Unit: MM)
71
Figure 40: Space Factor of Mated Connector (Unit: MM)
72
Electrical, Reliability and Radio Characteristics
73
Absolute Maximum Ratings
73
Power Supply Ratings
74
Operation and Storage Temperatures
74
Current Consumption
75
Table 35: Gnss Current Consumption of Eg25-G Module
79
RF Output Power
80
RF Receiving Sensitivity
80
Electrostatic Discharge
82
Thermal Consideration
82
Figure 41: Referenced Heatsink Design (Heatsink at the Top of the Module)
83
Mechanical Dimensions
85
Mechanical Dimensions of the Module
85
Figure 44: Module Bottom Dimensions (Bottom View)
86
Recommended Footprint
87
Design Effect Drawings of the Module
88
Storage, Manufacturing and Packaging
89
Storage
89
Manufacturing and Soldering
90
Packaging
91
Figure 49: Tape and Reel Specifications
92
Appendix A References
93
Appendix B GPRS Coding Schemes
97
Appendix C GPRS Multi-Slot Classes
98
Appendix D EDGE Modulation and Coding Schemes
100
IC & FCC Requirement
101

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Quectel EG25-G Hardware Design

Quectel EG25-G Hardware Design (55 pages)

Brand: Quectel | Category: GSM/GPRS Modules | Size: 1 MB

Table of Contents

About the Document

3
Contents

4
- Table of Contents
  4
1 Introduction

8
- Safety Information
  9
2 Product Concept

10
- General Description
  10
- Module Description
  10
- Key Features
  11
- Functional Diagram
  14
3 Application Interfaces

15
- Pin Assignment
  15
- Pin Description
  16
- Operating Modes
  19
- Power Saving
  20
  - Sleep Mode
    20
  - Airplane Mode
    20
- Power Supply
  20
- U)SIM Interface
  21
- USB Interface
  23
- UART Interface
  24
- PCM and I2C Interfaces
  25
- Control and Indication Signals
  28
  - RI Signal
    28
  - DTR Signal
    28
  - W_DISABLE# Signal
    29
  - PERST# Signal
    29
  - LED_WWAN# Signal
    30
  - WAKE# Signal
    31
4 GNSS Receiver

32
- General Description
  32
- GNSS Performance
  32
- GNSS Frequency
  33
5 Antenna Connection

34
6 Electrical, Reliability and Radio Characteristics

39
- General Description
  39
- Power Supply Requirements
  39
- I/O Requirements
  40
- RF Characteristics
  40
- ESD Characteristics
  43
- Current Consumption
  43
- Thermal Consideration
  48
7 Dimensions and Packaging

50
8 Appendix A References

53

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