SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
61
String type; service provider name on SIM
<display mode>
0 – doesn’t display PLMN. Already registered on PLMN.
1 – display PLMN
Examples
AT+CSPN=?
OK
AT+CSPN?
+CSPN: “CMCC”,0
OK
4.8 AT+CSQ Query signal quality
Description
This command is used to return received signal strength indication <rssi> and channel bit error rate
<ber> from the ME. Test command returns values supported by the TA as compound values.
SIM PIN References
NO 3GPP TS 27.007
Syntax
Test Command
Responses
AT+CSQ=? +CSQ: (list of supported <rssi>s),(list of supported <ber>s)
OK
Execution Command
Responses
AT+CSQ +CSQ: <rssi>,<ber>
OK
ERROR
Defined values
<rssi>
0 – -113 dBm or less
1 – -111 dBm
2...30 – -109... -53 dBm
31 – -51 dBm or greater
99 – not known or not detectable
100 – -116 dBm or less
101 – -115 dBm
102…191 – -114... -26dBm
SIMCOM CONFIDENTIAL FILE