Neo_M590E V1 GPRS Module AT Command Set
Copyright © Neoway Technology Co., Ltd
3
Return Value
<CR><LF> +CSQ: < signal >,<ber>
<CR><LF> OK <CR><LF>
< signal>
The following table shows the relationship between the signal and the RSSI.
signal
rssi
0
<4 or 99
<-107 dBm or unknown
1
<10
<-93dBm
2
<16
<-71 dBm
3
<22
<-69dBm
4
<28
<-57dBm
5
>=28
>=-57 dBm
<ber>
0...7
Refer to the value of RXQUAL in the table of GSM 05.08 8.2.4.
99
Not known or not detectable
Example
AT+CSQ
+CSQ: 19,2
OK
Query the current signal strength of the
module.
Remarks
N/A
1.4
Querying the Network Registration Status: +CREG
Description
To query the network registration status of the module
Format
AT+CREG=[<n>]<CR>
AT+CREG?<CR>
AT+CREG=?<CR>
Parameter
<n>:
0: Forbid unsolicited result codes of network registration (default setting).
1: Allow unsolicited result codes of network registration
2: Allow unsolicited location information of network registration
<stat>:
0: Unregistered. The device is not searching for new carriers.
1: Registered the local network
2: Unregistered. The device is searching for base stations.
3: The registration is rejected.
4. Unknown code
5: Registered, roaming
<lac>: string type; two
-
byte location area code in hexadecimal format
