Rhydo SIM 900 SIM 900 -TTL UART Especificaciones descargar pdf (Pagina 78)

SIM900 AT Commands Set

SIM900_ATC_V1.01 78 23.06.2010

+CME ERROR: <err>

Response

TA controls the presentation of an unsolicited result code +CREG: <stat>

when <n>=1 and there is a change in the ME network registration status.

Parameters

<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>]

<stat> 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

5 registered, roaming

<lac> string type(string should be included in quotation marks);

two byte location area code in hexadecimal format

< ci > string type(string should be included in quotation marks);

two byte cell ID in hexadecimal format

Write Command

AT+CREG=<n>

Unsolicited result code

If <n>=1 and there is a change in the MT network registration status

+CREG: <stat>

If <n>=2 and there is a change in the MT network registration status or a

change of the network cell:

+CREG: <stat>[,<lac>,<ci>]

Parameters

see Write Command

Reference

GSM 07.07 [13]

Note

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Rhydo SIM 900 SIM 900 -TTL UART Especificaciones Pagina 78