Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 213 / 231
14.5. Summary of CME ERROR Codes
Final result code +CME ERROR: <err> indicates an error related to mobile equipment or network. The
operation is similar to ERROR result code. None of the following commands in the same command line is
executed. Neither ERROR nor OK result code shall be returned.
<err> values are mostly used by common message commands. The following table lists most of general
and GRPS related ERROR codes. For some GSM protocol failure cause described in GSM specifications,
the corresponding ERROR codes are not included.
Table 11: Different Coding Schemes of +CME ERROR: <err>
Code of <err>
Meaning
0
Phone failure
1
No connection to phone
2
Phone-adaptor link reserved
3
Operation not allowed
4
Operation not supported
5
PH-SIM PIN required
6
PH-FSIM PIN required
7
PH-FSIM PUK required
10
SIM not inserted
11
SIM PIN required
12
SIM PUK required
13
SIM failure
14
SIM busy
15
SIM wrong
16
Incorrect password
17
SIM PIN2 required

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