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Ebyte E840-DTU - Page 28

Ebyte E840-DTU
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Chengdu Ebyte Electronic Technology Co.,Ltd E840-DTU(4G-02E) User Manual
Copyright ©2012–2019
Chengdu Ebyte Electronic Technology Co.,Ltd
28
ParityUART parity
N, None
O, Odd
E, Even
stopUART stop bit
1
1 bit
22 bits
AT+ ICCID
Function
inquire SIM card ID
Format
inquire
transmitAT+ ICCID <CR>
return<CR><LF>+OK=<number><CR><LF>
Parameter
number :
The present ICCID of SIM card
AT+ LBS
Functioninquire the service info. based on location
Format inquire
transmitAT+ LBS <CR>
return
<CR><LF>+OK=LAC:<lac>,CID:<cid><CR><LF>
Parameter lac :
base station location code for present device
cid:
Base station id
AT+ HSPEED
Function configure/inquire if high speed mode is enabled
Format
configure
transmitAT+ HSPEED=<state> <CR>
return<CR><LF>+OK<CR><LF>
Inquire
transmit
AT+ HSPEED <CR>
return
<CR><LF>+OK=<state> <CR><LF>
Parameter
state
ON high speed enabled
OFF high speed disabled
AT+ UARTTS
Function configure/inquire serial port packaging and break frame mechanism
Format configure
transmit
AT+ UARTTS =<time>,<length> <CR>
return<CR><LF>+OK<CR><LF>
inquire
transmitAT+ UARTTS <CR>
return
<CR><LF>+OK=<time>,<length> <CR>
Parameter
time
Serial port break frame packaging time:(50~2000ms
Length
Serial port packaging length:(20~1024bytes
AT+ SMSSEND
Function
transmit SMS command
Format
transmit
transmitAT+ SMSSEND =<number>,<info> <CR>
return
<CR><LF>+OK<CR><LF>
Parameter
Number :receiver’s phone number
info: transmitted contentEnglish or number

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