LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 77 / 231
Parameter
Example
AT+CREG=1
OK
+CREG: 1
//URC reports that ME has registered on network
AT+CREG=2
//Activate extended URC mode
OK
+CREG: 1,
“D509”,”80D413D”,7
//URC reports that operator has found location area code
and cell ID
Reference
3GPP TS 27.007
<n>
0
Disable network registration unsolicited result code
1
Enable network registration unsolicited result code:
+CREG: <stat>
2
Enable network registration unsolicited result code with location information:
+CREG: <stat>[,<lac>,<ci>[,<Act>]]
<stat>
0
Not registered. ME is not currently searching a new operator to register to
1
Registered, home network
2
Not registered, but ME is currently searching a new operator to register to
3
Registration denied
4
Unknown
5
Registered, roaming
<lac>
String type. Two bytes location area code in hexadecimal format
<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