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EG91-NAXDL
Quectel EG91-NAXDL Manuals
Manuals and User Guides for Quectel EG91-NAXDL. We have
1
Quectel EG91-NAXDL manual available for free PDF download: Hardware Design
Quectel EG91-NAXDL Hardware Design (108 pages)
LTE Standard Module
Brand:
Quectel
| Category:
Control Unit
| Size: 5.78 MB
Table of Contents
Safety Information
4
About the Document
6
Contents
10
Table of Contents
10
1 Introduction
16
2 Product Concept
18
General Description
18
Key Features
19
Functional Diagram
22
Evaluation Board
23
3 Application Interfaces
24
General Description
24
Pin Assignment
25
Pin Description
26
Operating Modes
32
Power Saving
33
Sleep Mode
33
Airplane Mode
36
Power Supply
37
Power Supply Pins
37
Decrease Voltage Drop
37
Reference Design for Power Supply
39
Monitor the Power Supply
39
Power-On/Off Scenarios
39
Turn on Module Using the PWRKEY
39
Turn off Module
41
Reset the Module
43
U)SIM Interfaces
44
USB Interface
47
UART Interfaces
48
PCM and I2C Interfaces
50
SPI Interface
53
Network Status Indication
54
Status
55
ADC Interface
55
Behaviors of RI
56
USB_BOOT Interface
57
4 GNSS Receiver
59
General Description
59
GNSS Performance
59
Layout Guidelines
60
5 Antenna Interfaces
61
Main/Rx-Diversity Antenna Interfaces
61
Pin Definition
61
Operating Frequency
62
Reference Design of RF Antenna Interface
63
GNSS Antenna Interface
64
Reference Design of RF Layout
65
Antenna Installation
67
Antenna Requirement
67
Recommended RF Connector for Antenna Installation
68
6 Reliability , Radio and Electrical Characteristics
70
Absolute Maximum Ratings
70
Power Supply Ratings
70
Operating and Storage Temperatures
71
Current Consumption
71
RF Output Power
84
RF Receiving Sensitivity
85
Electrostatic Discharge
89
Thermal Consideration
90
7 Mechanical Dimensions
93
Mechanical Dimensions of the Module
93
Recommended Footprint
96
Top and Bottom Views of the Module
97
8 Storage, Manufacturing and Packaging
99
Storage
99
Manufacturing and Soldering
100
Packaging
101
9 Appendix References
104
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