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UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 77 / 247
Parameter
Example
AT+CREG=1
OK
+CREG: 1
//URC reports that ME has registered
AT+CREG=2
//Activates extended URC mode
OK
+CREG: 1,"D504","08043799",2
//URC reports that operator has found location area code and
cell ID
6.3. AT+CSQ Signal Quality Report
AT+CSQ indicates the received signal strength
<rssi>
and the channel bit error rate
<ber>
.
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) cell ID in hexadecimal format
<Act>
Access technology selected
0 GSM
2 UTRAN
AT+CSQ Signal Quality Report
Test Command
AT+CSQ=?
Response
+CSQ:
(list of supported
<rssi>
s),(list of supported
<ber>
s)
Quectel
Confidential