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Quectel EC25-V User Manual

Quectel EC25-V
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EC25-V
User Manual
LTE Module Series
Rev. EC25-V_User_Manual_V1.0
Date: 2016-03-28
www.quectel.com

Table of Contents

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Quectel EC25-V Specifications

General IconGeneral
BrandQuectel
ModelEC25-V
CategoryControl Unit
LanguageEnglish

Summary

Introduction

Safety Information

Essential safety precautions for operating and handling the EC25 module.

Directives and Standards

FCC Statement

Compliance statement regarding FCC rules and operation conditions.

Application Interface

Pin Assignment

Detailed pin assignment of the EC25 module for hardware design.

Pin Description

IO Parameters Definition

Definition of I/O parameter types used for module pins.

Power Saving

Sleep Mode

Methods to reduce module current consumption during sleep mode.

Power Supply

Power Supply Pins

Details on VBAT pins for connecting external power supply.

Decrease Voltage Drop

Methods to minimize voltage drop during transmit bursts.

Reference Design for Power Supply

Reference circuit for a stable +5V input power supply.

Turn on and off Scenarios

Turn on Module Using the PWRKEY

Procedures for turning on the module using the PWRKEY pin.

Reset the Module

USIM Card Interface

USB Interface

UART Interface

GNSS Receiver

Antenna Interface

GNSS Antenna Interface

Electrical, Reliability and Radio Characteristics

Absolute Maximum Ratings

Maximum voltage and current ratings for module pins.

Power Supply Ratings

Voltage and current specifications for the module's power supply.

Mechanical Dimensions

Mechanical Dimensions of the Module

Physical dimensions of the EC25 module.

Footprint of Recommendation

Recommended PCB footprint for the EC25 module.

FCC Radiation Exposure Statement

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