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Quectel EC25 User Manual

Quectel EC25
232 pages
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LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 230 / 231
Release pending
Invalid user data
PS Internal Cause
Invalid connection identifier
Invalid NSAPI
Invalid primary NSAPI
PDP establish timeout
Invalid field
SNDCP failure
RAB setup failure
No GPRS context
PDP activate timeout
PDP modify timeout
PDP inactive max timeout
PDP lower layer error
PDP duplicate
Access technology change
PDP unknown reason
CS PS Network Cause
LLC or SNDCP failure
Insufficient resources
Missing or unknown APN
Unknown PDP address or PDP type
User authentication failed
Activation rejected by GGSN
Activation rejected, unspecified

Table of Contents

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Quectel EC25 Specifications

General IconGeneral
CategoryLTE Module
LTE TDDB38/B40/B41
WCDMAB1/B5/B8
GSM850/900/1800/1900 MHz
Data ratesLTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSSGPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature-40°C to +85°C
Form FactorLCC
Storage Temperature-45°C to +90°C
SIM Interface1.8V/3.0V
Antenna InterfaceMain, Diversity, GNSS
LTE FDDB1/B3/B5/B7/B8/B20
InterfacesUSB 2.0, UART, PCM, GPIO
Operating Voltage3.3V - 4.3V
ProtocolsTCP/IP, UDP, FTP, HTTP, HTTPS
CertificationsCE, FCC, PTCRB, GCF, RCM, IC

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