====== Команды для SIMCOM sim868 ======
===== Настройки GSM =====

Чтение производителя
<code>
AT+CGMI
SIMCOM_Ltd

OK
</code>
Чтение модели
<code>
AT+CGMM
SIMCOM_SIM868

OK
</code>
Чтение IMEI
<code>
AT+CGSN
861510030774067

OK
</code>
Какой номер у SIM карты
<code>
AT+CNUM
+CNUM: "","+79258345948",145,7,4

OK
</code>
AT+CPAS AT command returns of the module device status. Possible values are,\\
0 ready\\
1 unavailable\\
2 unknown\\
3 ringing\\
4 call in progress\\
5 asleep\\
<code>
AT+CPAS
+CPAS: 0

OK
</code>
AT+CREG AT command gives information about the registration status and access technology of the serving cell.

Possible values of registration status are,\\
0 not registered, MT is not currently searching a new operator to register to\\
1 registered, home network\\
2 not registered, but MT is currently searching a new operator to register to\\
3 registration denied\\
4 unknown (e.g. out of GERAN/UTRAN/E-UTRAN coverage)\\
5 registered, roaming\\
6 registered for "SMS only", home network (applicable only when indicates E-UTRAN)\\
7 registered for "SMS only", roaming (applicable only when indicates E-UTRAN)\\
8 attached for emergency bearer services only (see NOTE 2) (not applicable)\\
9 registered for "CSFB not preferred", home network (applicable only when indicates E-UTRAN)\\
10 registered for "CSFB not preferred", roaming (applicable only when indicates E-UTRAN)\\

Possible values for access technology are,\\
0 GSM\\
1 GSM Compact\\
2 UTRAN\\
3 GSM w/EGPRS\\
4 UTRAN w/HSDPA\\
5 UTRAN w/HSUPA\\
6 UTRAN w/HSDPA and HSUPA\\
7 E-UTRAN\\
<code>
AT+CREG?
+CREG: 0,1

OK
</code>
AT+CSQ AT command returns the signal strength of the device.\\
Possible values are,\\
0 113 dBm or less\\
1 111 dBm\\
2...30 109... 53 dBm\\
31 51 dBm or greater\\
99 not known or not detectable
<code>
AT+CSQ
+CSQ: 20,0

OK
</code>
Версия софта в чипе
<code>
AT+CGMR
Revision:1418B02SIM868M32

OK
</code>
Настройка GPRS: AT+CGATT=1
		AT+SAPBR=3,1,"CONTYPE","GPRS"
		AT+SAPBR=3,1,"APN","internet"
		AT+SAPBR=1,1
		AT+SAPBR=2,1 - response:1,1,"IP address"

<code>
AT+CGATT=1
OK
AT+SAPBR=3,1,"CONTYPE","GPRS"
OK
AT+SAPBR=3,1,"APN","internet"
OK
AT+SAPBR=1,1
OK
AT+SAPBR=2,1
+SAPBR: 1,1,"10.217.114.229"

OK
</code>

===== Настройки GPS =====
Получение координат по триангуляции:
<code>
AT+CIPGSMLOC=1,1
+CIPGSMLOC: 0,37.867207,55.691807,2017/08/23,19:42:06

OK
</code>
Информацию о ближайших БС, видимых модемом, можно следующим образом:
<code>
at+ceng=1
OK
at+ceng?
+CENG: 1,0

+CENG: 0,"0641,11,00,250,99,09,4062,06,00,39a8,255"
+CENG: 1,"0073,23,38,250,99,39a8"
+CENG: 2,"0070,23,24,250,99,39a8"
+CENG: 3,"0084,19,19,250,99,39a8"
+CENG: 4,"0588,10,39,250,99,39a1"
+CENG: 5,"0618,03,21,250,99,39a8"
+CENG: 6,"0000,00,00,000,00,0"

OK
</code>
Turn on GNSS power
<code>
AT+CGNSPWR=1
OK
</code>
Define the last NMEA sentence that parsed
<code>
AT+CGNSSEQ=”RMC”

OK
</code>