Ebyte E840-DTU User Manual page 11

GPRS
d) Command details：
AT+REBT
Function： Restart module
Format： Set
TX：AT+REBT<CR>
Return：<CR><LF>+OK<CR><LF>
Parameter：None
Description: After the command is executed correctly, the module restarts immediately and enters the transparent transmission mode after restarting.
AT+VER
Function： Query firmware version
Format： Set
TX AT+VER<CR><LF>
Return <CR><LF>+OK=<ver><CR><LF>
Parameter：Ver firmware version
description：None
AT+INFO
Function： Query module type and version
Format： Set
TX AT+INFO<CR><LF>
return <CR><LF>+OK=<mod_name>,<hw_ver>,<sw_ver><CR><LF>
Parameter： mod_name module name
hw_ver
sw_ver
description：None
AT+EXAT
Function： exit command mode，enter transparent transmission mode
Format： Set
TX AT+EXAT<CR><LF>
return <CR><LF>+OK<CR><LF>
Parameter：None
Description：After the command is executed correctly, the module is switched from command mode to transparent mode.
AT+RESTORE
Function： Restore factory setting
Format： Set
TX AT+RESTORE<CR><LF>
return <CR><LF>+OK<CR><LF>
Parameter：None
description：None
AT+UART
Function： Set/Query UART parameter
Format： Query
TX：AT+UART<CR>
Return：<CR><LF>+OK=<baudrate>,< parity ><CR><LF>
Set
TX：AT+UART=<baudrate>,< parity ><CR><LF>
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E840-DTU（GPRS-03）User Manual