Ebyte E840-DTU User Manual page 28

Chengdu Ebyte Electronic Technology Co.,Ltd
AT+ ICCID
Function：inquire SIM card ID
Format：
Parameter：
The present ICCID of SIM card
AT+ LBS
Function：inquire the service info. based on location
Format：
Parameter：
base station location code for present device
cid:
Base station id
AT+ HSPEED
Function：
Format：
Inquire
Parameter： state
ON high speed enabled
OFF high speed disabled
AT+ UARTTS
Function：
Format：
inquire
Parameter：
time
Serial port break frame packaging time：（50~2000）ms
Length
Serial port packaging length：（20~1024）bytes
AT+ SMSSEND
Function：
Format：
Parameter：
Number :receiver's phone number
info: transmitted content（English or number）
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
inquire
transmit：AT+ ICCID <CR>
return：<CR><LF>+OK=<number><CR><LF>
number :
inquire
transmit：AT+ LBS <CR>
return：<CR><LF>+OK=LAC:<lac>,CID:<cid><CR><LF>
lac :
configure/inquire if high speed mode is enabled
configure
transmit：AT+ HSPEED=<state> <CR>
return：<CR><LF>+OK<CR><LF>
transmit：AT+ HSPEED <CR>
return：<CR><LF>+OK=<state> <CR><LF>
configure/inquire serial port packaging and break frame mechanism
configure
transmit：AT+ UARTTS =<time>,<length> <CR>
return：<CR><LF>+OK<CR><LF>
transmit：AT+ UARTTS <CR>
return：<CR><LF>+OK=<time>,<length> <CR>
transmit SMS command
transmit
transmit：AT+ SMSSEND =<number>,<info> <CR>
return：<CR><LF>+OK<CR><LF>
E840-DTU(4G-02E) User Manual
28