Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 171 / 231
10.14. AT+CEREG EPS Network Registration Status
The command queries the network registration status and controls the presentation of an unsolicited
result code +CEREG: <stat> when <n>=1 and there is a change in the MT‟s EPS network registration
status in E-UTRAN, or unsolicited result code +CEREG: <stat>[,[<tac>],[<ci>],[<Act>]] when <n>=2 and
there is a change of the network cell in E-UTRAN.
Parameter
AT+CEREG EPS Network Registration Status
Test Command
AT+CEREG=?
Response
+CEREG: (list of supported <n>s)
OK
Read Command
AT+CEREG?
Response
+CEREG: <n>,<stat>[,<tac>,<ci>[,<Act>]]
OK
Write Command
AT+CEREG[=<n>]
Response
OK
ERROR
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<n> 0 Disable network registration unsolicited result code
1 Enable network registration unsolicited result code +CEREG: <stat>
2 Enable network registration and location information unsolicited result code
+CEREG: <stat>[,<tac>,<ci>[,<Act>]]
<stat> 0 Not registered. MT is not currently searching an operator to register to
1 Registered, home network
2 Not registered, but MT is currently trying to attach or searching an operator to
register to
3 Registration denied
4 Unknown
5 Registered, roaming
<tac> String type. Two-byte tracking area code in hexadecimal format
<ci> String type. 28-bit E-UTRAN cell ID in hexadecimal format
<Act> Access technology selected
0 GSM
2 UTRAN

Quectel EC25 Specifications

General

Brand	Quectel
Model	EC25
Category	Control Unit
Language	English