User's Manual
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listed as follows:
·Network Band Set: AT+ BNDPRF =<nv441>, <nv946>
·Network Band Query: AT+BNDPRF?
·Network Mode Set: AT+MODODR=<mode >
·Network Mode Query: AT+MODODR?
·SIM LOCK status: AT+NWLCK?
·Network Mode Service Query: AT+MODPRF?
·Network Query: AT+PSRAT
·PIN and PUK Remain Times Query: AT+CPNNUM
·APN Set: AT+CGDCONT=1,"IP","CMNET"
·Dial up Access: ATDT*99***1#
·Network Disconnecting: ATH
The users need to use PPP protocol for internet access besides AT commands. The PPP protocol can be provided by
customers or API functions offered by OS, such as the RasDial function in Windows OS.
DWORD RasDial(
LPRASDIALEXTENSIONS dialExtensions,
LPTSTR phoneBookPath,
LPRASDIALPARAMS rasDialParam,
DWORD NotifierType,
LPVOID notifier,
LPHRASCONN pRasConn
):
3.2 SMS
The SMS feature is implemented by AT commands. You can set the service center address, switch message format,
enable/disable receiving message report, delete message, preview message, receive/send message and so on.










