Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 119 / 231
Parameter
Example
AT+CSCA=“+8613800210500”,145 //Set SMS service center address
OK
AT+CSCA? //Query SMS service center address
+CSCA: “+8613800210500”,145
OK
9.4. AT+CPMS Preferred Message Storage
The command selects the memory storages <mem1>, <mem2> and <mem3> to be used for reading,
writing, etc.
AT+CPMS Preferred Message Storage
Test Command
AT+CPMS=?
Response
+CPMS: (list of supported <mem1>s),(list of supported
<mem2>s),(list of supported <mem3>s)
OK
Read Command
AT+CPMS?
Response
+CPMS:
<mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,<m
em3>,<used3>,<total3>
OK
Write Command
AT+CPMS=<mem1>[,<mem2>[,<mem
3>]]
Response
TA selects memory storages <mem1>, <mem2> and
<mem3> to be used for reading, writing, etc.
+CPMS:
<used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK
<sca> Service center address. 3GPP TS 24.011 RP SC address Address-Value field in string
format; BCD numbers (or GSM 7 bit default alphabet characters) are converted to
characters of the currently selected TE character set (refer to AT+CSCS command
in 3GPP TS 27.007). The type of address is given by <tosca>.
<tosca> Type of service center address. 3GPP TS 24.011 RP SC address Type-of-Address
octet in integer format (default refer to <toda>).

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC