Ebyte E840-DTU User Manual page 14

Gprs serial server
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GPRS
Set
TX:AT+ REGINFO =<data><CR>
return:<CR><LF>+OK<CR><LF>
parameter:data ASCII code within 40 bytes
AT+HEARTMOD
Function: Set/query heartbeat packet mode.
Format:
Query
TX:AT+ HEARTMOD<CR>
return:<CR><LF>+OK=<mode><CR><LF>
Set
TX:AT+ HEARTMOD=<mode><CR>
return:<CR><LF>+OK<CR><LF>
Parameter:mode
NET
network heartbeat packet
UART UART heartbeat packet
AT+HEARTINFO
Function: Set/query heartbeat packet data
Format:
Query
TX:AT+ HEARTINFO<CR>
return:<CR><LF>+OK=<data><CR><LF>
Set
TX:AT+ HEARTINFO=<data><CR>
return:<CR><LF>+OK<CR><LF>
parameter:data ASCII code heartbeat packet data within 40 bytes
AT+HEARTM
Function: Set/Query short heartbeat time
Format:
Query
TX:AT+ HEARTM <CR>
return:<CR><LF>+OK=<time><CR><LF>
Set
TX:AT+ HEARTM =<time><CR>
return:<CR><LF>+OK<CR><LF>
parameter:time heartbeat time,0 off,1~65535 seconds
AT+SHORTM
Function: Set/Query short connection time
Format:
Query
TX:AT+ SHORTM<CR>
return:<CR><LF>+OK=<time><CR><LF>
Set
TX:AT+ SHORTM=<time><CR>
return:<CR><LF>+OK<CR><LF>
parameter: time short connection time,0 off,2-255 seconds
Copyright ©2012–2017, Chengdu Ebyte Electrical Technology Co., Ltd.
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E840-DTU(GPRS-03)User Manual

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