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EC200T-EU
Quectel EC200T-EU User Manual
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LTE Standard Module Series
EC200T Series Hard
w
are Design
EC200T_Series_Hardw
are_Design
62
/
90
.
Figure 29: Microstrip Design on a 2-layer PCB
Figure 30: Coplanar Waveguide Design on a 2-layer PCB
Figure 31: Coplanar Waveguide Design on a
4-layer PCB (Layer 3 as Reference Ground)
62
64
Table of Contents
About the Document
3
Contents
4
Table of Contents
4
1 Introduction
10
Safety Information
13
2 Product Concept
15
General Description
15
Key Features
16
Functional Diagram
19
Evaluation Board
19
3 Application Interfaces
20
General Description
20
Pin Assignment
21
Pin Description
22
Operating Modes
30
Power Saving
30
Sleep Mode
30
UART Application
31
USB Application with USB Remote Wakeup Function
31
USB Application with USB Suspend/Resume and MAIN_RI Wakeup Function
32
USB Application Without USB Suspend Function
33
Airplane Mode
33
Power Supply
34
Power Supply Pins
34
Decrease Voltage Drop
34
Reference Design for Power Supply
35
Power-On/Off/Reset Scenarios
36
Turn on Module Using the PWRKEY
36
Turn off Module
38
Turn off Module Using the PWRKEY Pin
39
Turn off Module Using at Command
39
Reset the Module
39
U)SIM Interface
41
USB Interface
44
UART Interfaces
45
PCM and I2C Interfaces
48
SD Card Interface
50
WLAN Interface*①
52
ADC Interfaces
53
Network Status Indication
54
Status
55
Behaviors of the MAIN_RI
56
FORCE_USB_BOOT Interface
56
4 Antenna Interfaces
59
Main/Rx-Diversity Antenna Interfaces
59
Pin Definition
59
Operating Frequency
59
Reference Design of RF Antenna Interface
62
Reference Design of RF Layout
62
Antenna Installation
64
Antenna Requirement
64
Recommended RF Connector for Antenna Installation
65
5 Electrical, Reliability and Radio Characteristics
67
Absolute Maximum Ratings
67
Power Supply Ratings
68
Operating and Storage Temperatures
68
Current Consumption
69
RF Output Power
80
RF Receiving Sensitivity
82
Electrostatic Discharge
84
6 Mechanical Dimensions
86
Mechanical Dimensions of the Module
86
Recommended Footprint
88
Design Effect Drawings of the Module
89
7 Storage, Manufacturing and Packaging
90
Storage
90
Manufacturing and Soldering
91
Packaging
93
8 Appendix A References
95
9 Appendix B GPRS Coding Schemes
99
10 Appendix C GPRS Multi-Slot Classes
100
11 Appendix D EDGE Modulation and Coding Schemes
102
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Quectel EC200T-EU Specifications
General
Brand
Quectel
Model
EC200T-EU
Category
Control Unit
Language
English
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