Quectel UG Series

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