Quectel EC25 series

E
C
Us
LTE
M
Rev.
Date:
C
25
-
er
M
odule
S
EC25-A
_
2016-0
3
-
A
M
a
S
eries
_
User_M
a
3
-28
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a
nual
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1
al
1
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ww.quectel.com

Quectel EC25 series Specifications

General

GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Storage Temperature	-45°C to +90°C
Form Factor	LCC
Dimensions	29.0mm × 32.0mm × 2.4mm
Category	Cellular Module
LTE FDD	B1/B3/B5/B7/B8/B20
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
Interfaces	USB 2.0, UART, PCM, I2C
Operating Voltage	3.3V to 4.3V
SIM Interface	1.8V/3V
Antenna Interface	Main and diversity antenna
Certifications	CE, FCC, PTCRB, GCF, IC, RCM
GSM	850/900/1800/1900 MHz

Summary

Introduction

Safety Information

Safety precautions during operation, service, and repair of cellular terminals incorporating the EC25 module.

Power Saving

Sleep Mode

Describes how EC25 reduces current consumption during sleep mode, detailing UART and USB applications.

Airplane Mode

Power Supply

Decrease Voltage Drop

Turn on and off Scenarios

Turn on Module Using the PWRKEY

How to turn on the EC25 module using the PWRKEY pin, including reference circuits and timing.

Reset the Module

USIM Card Interface

USB Interface

UART Interface

GNSS Receiver

GNSS Performance

Antenna Interface

Electrical, Reliability and Radio Characteristics

Absolute Maximum Ratings

Specifies the absolute maximum ratings for power supply and voltage on various pins of the module.

Power Supply Ratings

Electrostatic Discharge

Outlines ESD handling precautions and the module's electrostatics discharge characteristics for different points.

Mechanical Dimensions

Footprint of Recommendation

Storage and Manufacturing