Westermo GS-01 - Manual (Page 14)

14 6195-2201
Network service commands
+CSQ – Signal Quality
This command shall be used to know the received signal strength indication () and
the channel bit error rate () with or without any SIM card inserted.
:
0: –113 dBm or less
1: –111 dBm
2...30: –109 to –53 dBm
31: –51dBm or greater
99: not known or not detectable
:
0...7: as RXQUAL values in the table GSM 05.08
99: not known or not detectable
Application to GSM AT+CSQ
GSM to application +CSQ: , and as defined
OK before
+CREG – Network registration
This command is used by the application to know the registration status of the mobile.
Command syntax: AT+CREG=
Response syntax: +CREG: , [ ,, ]
for AT+CREG? command only
0: Disable network registration unsolicited result code (default)
1: Enable network registration code result code +CREG:
2: Enable network registration and location information unsolicited
result code +CREG: ,, if there is a change of the network cell.
0: not registered, ME is not currently searching a new operator
1: registered, home network
2: not registered, ME currently searching a new operator to register to
3: registration denied
4: unknown
5: registered, roaming
: string type; two byte location area code in hexadecimal format
(e.g. ”00C3” equals 193 in decimal)
: string type; two byte cell ID in hexadecimal format
Application to GSM AT+CREG?
GSM to application +CREG: , as defined before
OK