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Quectel M12

Quectel M12
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M12
Quectel Cellular Engine
Hardware Design
M12_Hardware_Design_V3.3

Table of Contents

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Quectel M12 Specifications

General IconGeneral
BrandQuectel
ModelM12
CategoryControl Unit
LanguageEnglish

Summary

Safety Cautions

Product Concept

Key Features

Summarizes the main technical features and specifications of the M12 module.

Application Interface

Pins of Module

Covers pin assignment and detailed descriptions for the M12 module.

Power Supply

Power Features of Module

Discusses power supply characteristics, including current peaks and voltage drops.

Reference Design for Power Supply

Offers a reference circuit for designing a stable power supply for the module.

Power Up and Power Down Scenarios

Power Down Methods

Outlines methods for powering down the M12 module.

Voltage-based Shutdowns

Covers automatic shutdown due to over/under-voltage conditions.

Emergency Shutdown

Details the procedure for emergency shutdown using the EMERG_OFF pin.

Power Saving

Serial Interfaces

UART Port

Details the UART port's features, pins, and connections.

Audio Interfaces

SIM Card Interface

ADC

Network Status Indication

Operating Status Indication

General Purpose Input & Output (GPIO)

SD Card Interface

Antenna Interface

Electrical, Reliability and Radio Characteristics

Absolute Maximum Ratings

Lists the absolute maximum ratings for voltage and current for the module.

Power Supply Ratings

Provides detailed power supply voltage and current ratings for various operating conditions.

Current Consumption

Details the module's current consumption in different modes like Voice Call and GPRS Data.

Electro-static Discharge

Discusses ESD precautions and the module's ESD endurance.

Mechanical Dimensions

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