Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 224 / 231
Table 21: GSM Extended Characters
Because the low 8 bit of UCS2 character is the same as the IRA character:
The conversion table of DCS=GSM 7 bit and AT+CSCS=“UCS2” is similar to AT+CSCS=“IRA”.
The conversion table of fmt=GSM 7 bit and AT+CSCS=“GSM” is similar to AT+CSCS=“GSM”.
The conversion table of fmt= GSM 7 bit and AT+CSCS=“IRA” is similar to AT+CSCS=“IRA”.
The conversion table of fmt=GSM 7 bit and AT+CSCS=“UCS2” is similar to AT+CSCS=“IRA”.
The difference is the way of SMS text input or output. Please refer to Table 14 for more details.
F
E5
C9
2F
3F
4F
A7
6F
E0
0
1
2
3
4
5
6
7
0
7C
1
2
3
4
5E
5
6
7
8
7B
9
7D
A
B
C
5B
D
7E
E
5D
F
5C

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