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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 227 / 231
Switching equipment congestion
Access information discarded
Requested circuit/channel not available
Resources unavailable, unspecified
Quality of service unavailable
Requested facility not subscribed
Incoming calls barred within the CUG
Bearer capability not authorized
Bearer capability not available
Service/option not available
Bearer service not implemented
ACM >= ACM max
Requested facility not implemented
Only RDI bearer is available
Service/option not implemented
Invalid transaction identifier value
User not member of CUG
Incompatible destination
Invalid transit network selection
Semantically incorrect message
Invalid mandatory information
Message non-existent/not implemented
Message type not compatible with state
IE non-existent/not implemented
Conditional IE error
Message not compatible with state

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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