At+Cereg Eps Network Registration Status - Quectel EC25 Command Manual

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.
AT+CEREG EPS Network Registration Status
Test Command
AT+CEREG=?
Read Command
AT+CEREG?
Write Command
AT+CEREG[=<n>]
Maximum Response Time
Reference
3GPP TS 27.007
Parameter
<n> 0
1
2
<stat> 0
1
2
3
4
5
<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
2
EC25&EC21_AT_Commands_Manual
Response
+CEREG: (list of supported <n>s)
OK
Response
+CEREG: <n>,<stat>[,<tac>,<ci>[,<Act>]]
OK
Response
OK
ERROR
300ms
Disable network registration unsolicited result code
Enable network registration unsolicited result code +CEREG: <stat>
Enable network registration and location information unsolicited result code
+CEREG: <stat>[,<tac>,<ci>[,<Act>]]
Not registered. MT is not currently searching an operator to register to
Registered, home network
Not registered, but MT is currently trying to attach or searching an operator to
register to
Registration denied
Unknown
Registered, roaming
GSM
UTRAN
LTE Module Series
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