Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 167 / 231
Example
AT+CGREG=2
OK
AT+CGATT=0
OK
+CGREG: 2
AT+CGATT=1
OK
+CGREG: 1,“D504”,“80428B5”,7
<stat> 0 Not registered. MT is not currently searching an operator to register to. The UE is
in GMM state GMM-NULL or GMM-DEREGISTERED-INITIATED. The GPRS
service is disabled, but the UE is allowed to attach for GPRS if requested by the
user.
1 Registered, home network. The UE is in GMM state GMM-REGISTERED or
GMM-ROUTING-AREA-UPDATING-INITIATED INITIATED on the home PLMN.
2 Not registered, but MT is currently trying to attach or searching an operator to
register to. The UE is in GMM state GMM-DEREGISTERED or
GMM-REGISTERED-INITIATED. The GPRS service is enabled, but an allowable
PLMN is currently not available. The UE will start a GPRS attach as soon as an
allowable PLMN is available.
3 Registration denied. The UE is in GMM state GMM-NULL. The GPRS service is
disabled, and the UE is not allowed to attach for GPRS if requested by the user.
4 Unknown
5 Registered, roaming
<lac> String type. Two-byte location area code in hexadecimal format (e.g. “00C3” equals 195 in
decimal)
<ci> String type. 16-bit (GSM) or 28-bit (UMTS/LTE) cell ID in hexadecimal format
<Act> Access technology selected
0 GSM
2 UTRAN
3 GSM W/EGPRS
4 UTRAN W/HSDPA
5 UTRAN W/HSUPA
6 UTRAN W/HSDPA and HSUPA
7 E-UTRAN

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