Introduction; Special Marks - Quectel EC200U Series Hardware Design

1

Introduction

This document defines the EC200U series module and describes its air interface and hardware interfaces
which are connected with your applications.
This document can help you quickly understand module interface specifications, electrical and
mechanical details, as well as other related information of EC200U series module. To facilitate its
application in different fields, relevant reference design is also provided for customers' reference.
Associated with application note and user guide, you can use EC200U series module to design and set
up wireless applications easily.
This document is applicable to the following variants:
⚫
EC200U-CN
⚫
EC200U-EU
⚫
EC200U-AU

1.1. Special Marks

Table 1: Special Marks
Mark Definition
When an asterisk (*) is used after a function, feature, interface, pin name, AT command, or
* argument, it indicates that the function, feature, interface, pin name, AT command, or
argument is under development and currently not supported, unless otherwise specified.
Brackets ([...]) used after a pin enclosing a range of numbers indicate all pins of the same
[...] type. For example, SDIO1_DATA[0:3] refers to all four SDIO1_DATA pins: SDIO1_DATA0,
SDIO1_DATA1, SDIO1_DATA2 and SDIO1_DATA3.
EC200U_Series_Hardware_Design
LTE Standard Module Series
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