User's Manual

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RevisionHistory
Rev.1.2,Feb.2015 25/44
HardwareUser
Guide,DocumentNumber:N/A
Table3.TerminalPortSe ttings
Datarate
115200bps
DataBits
8
Parity
N
StopBits
1
FlowControl
HW
ATCommandtocheckARMSoftwareversion
Table4.ATCommandstocheckARMsoftwareversion
CommandsentbyDTE ResponseofDCE Description
at+xgendata
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The device will reply with the running ARM
software version
Registeronthenetwork(GSM/UMTS)
Table5.ATCommandstoRegisterontheNetwork
CommandsentbyDTE ResponseofDCE Description
AT+XRAT=1,2 selectradioaccesstechnology:1=GSM/UMTSDual
mode;2=UMTS
 OK
AT+COPS=0 Registerthephoneonthenetwork
 OK
AT+CREG? Verifyregistration
 +CREG:0,1
OK
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AT+COPS? 
 +COPS:0,0,"AT&T",0 Readoperatorname
IncomingVoiceCall
Table6.ATCommandsforanIncomingCall
CommandsentbyDTE DCEResponse Description
ATA 
 OK