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Quectel EC25 User Manual

Quectel EC25
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LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 137 / 231
9.13. AT+CNMI SMS Event Reporting Configuration
The Write Command selects the procedure on how the received new messages from the network are
indicated to the TE when TE is active, e.g. DTR is at low level (ON). If TE is inactive (e.g. DTR is at high
level (OFF)), message receiving should be done as specified in 3GPP TS 23.038.
Parameter
<mode> 0 Buffer unsolicited result codes in the TA. If TA result code buffer is full, indications
can be buffered in some other place or the oldest indications may be discarded
and replaced with the new received indications.
1 Discard indication and reject new received message unsolicited result codes
when TA-TE link is reserved (e.g. in on-line data mode). Otherwise forward them
directly to the TE.
2 Buffer unsolicited result codes in the TA when TA-TE link is reserved (e.g. in data
Test Command
AT+CNMI=?
Response
+CNMI: (list of supported <mode>s),(list of supported
<mt>s),(list of supported <bm>s),(list of supported
<ds>s),(list of supported <bfr>s)
OK
Read Command
AT+CNMI?
Response
+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>
OK
Write Command
AT+CNMI[=<mode>[,<mt>[,<bm>[,<ds
>[,<bfr>]]]]]
Response
TA selects the procedure on how the received new messages
from the network are indicated to the TE when TE is active,
e.g. DTR is at low level (ON). If TE is inactive (e.g. DTR is at
high level (OFF)), message receiving should be done as
specified in 3GPP TS 23.038.
OK
ERROR
If there is any error related to ME functionality:
+CMS ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.005

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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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