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EG915U Series
Quectel EG915U Series User Manual
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L
TE
Standard
Modul
e
Series
EG915U_Seri
es_Hard
ware_Desi
gn
61
/
91
Figure
33
:
Dimensi
ons o
f U.FL-R-SM
T Conne
ctor (
Unit: mm)
U.FL-LP
serial c
onnectors
listed in t
he follo
wing figu
re can be us
ed to
match the
U.FL-R-SMT
.
Figure
34
: M
echanical
s of U.F
L-LP C
onnectors
The follow
ing figure descri
bes the sp
ace factor
of mated
connector.
61
63
Table of Contents
Safety Information
4
About the Document
5
Contents
6
Table of Contents
6
1 Introduction
11
Special Mark
11
2 Product Overview
12
Frequency Bands and Functions
12
Key Features
13
Functional Diagram
15
Pin Assignment
16
Pin Description
17
Evb
25
3 Operating Characteristics
26
Operating Modes
26
Sleep Mode
27
UART Application Scenario
27
USB Application Scenario
28
USB Application with USB Remote Wakeup Function
28
USB Application with USB Suspend/Resume and MAIN_RI Wakeup Function
30
Airplane Mode
31
Hardware
31
Software
31
Power Supply
31
Power Supply Pins
31
Reference Design for Power Supply
32
Requirements for Voltage Stability
32
Turn on
33
Turn on with PWPKEY
33
Turn off
35
Turn off with PWPKEY
36
Turn off with at Command
36
Reset
37
4 Application Interfaces
39
Analog Audio Interfaces
39
Audio Interfaces Design Considerations
39
Microphone Interface Design
40
Receiver Interface Design
40
USB Interface
41
USB_BOOT Interface
43
U)SIM Interface
44
I2C and PCM Interfaces
46
UART Interfaces
47
ADC Interface
49
SPI Interface
51
PSM Interface
51
Indication Signal
52
Network Status Indication
53
Status
53
Main_Ri
54
Control Signal
55
5 Antenna Interfaces
56
Main Antenna Interface
56
Pin Definition
56
Operating Frequency
56
Reference Design of Antenna Interface
58
Operating Frequency
59
Antenna Installation
61
Antenna Design Requirement
61
RF Connector Recommendtion
61
6 Electrical Characteristics & Reliability
64
Absolute Maximum Ratings
64
Power Supply Ratings
64
Operation and Storage Temperatures
65
Power Consumption
65
Tx Power
73
Rx Sensitivity
74
Esd
76
7 Mechanical Information
77
Mechanical Dimensions
77
Recommended Footprint
79
Top and Bottom Views
80
8 Storage, Manufacturing & Packaging
81
Storage Conditions
81
Manufacturing and Soldering
82
Packaging Specifications
83
Packaging Process
85
9 Appendix References
87
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Quectel EG915U Series Specifications
General
Brand
Quectel
Model
EG915U Series
Category
Control Unit
Language
English
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