Chengdu Ebyte Electronic Technology Co.,Ltd E840-DTU(4G-02E) User Manual
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
Parity:UART parity
N, None
O, Odd
E, Even
stop:UART stop bit
1
,
1 bit
2,2 bits
AT+ ICCID
Function
:
inquire SIM card ID
Format
:
inquire
transmit:AT+ ICCID <CR>
return:<CR><LF>+OK=<number><CR><LF>
Parameter
:
number :
The present ICCID of SIM card
AT+ LBS
Function:inquire the service info. based on location
Format: inquire
transmit:AT+ 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
transmit:AT+ 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
transmit:AT+ UARTTS <CR>
return
:
<CR><LF>+OK=<time>,<length> <CR>
Parameter:
time
Serial port break frame packaging time:(50~2000)ms
Length
Serial port packaging length:(20~1024)bytes
AT+ SMSSEND
Function
:
transmit SMS command
Format
:
transmit
transmit:AT+ SMSSEND =<number>,<info> <CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
Number :receiver’s phone number
info: transmitted content(English or number)