Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 28 / 231
Parameter
<n> 0 Disable result code
1 Enable result code and use numeric values
2 Enable result code and use verbose values
Example
AT+CMEE=0 //Disable result code
OK
AT+CPIN?
ERROR //Only ERROR will be displayed
AT+CMEE=1 //Enable error result code with numeric values
OK
AT+CPIN?
+CME ERROR: 10
AT+CMEE=2 //Enable error result code with verbose (string)
values
OK
AT+CPIN?
+CME ERROR: SIM not inserted
2.24. AT+CSCS Select TE Character Set
The Write Command informs the module which character set is used by the TE. This enables the UE to
convert character strings correctly between TE and UE character sets.
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
AT+CSCS Select TE Character Set
Test Command
AT+CSCS=?
Response
+CSCS: (list of supported <chset>s)
OK
Read Command
AT+CSCS?
Response
+CSCS: <chset>

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