Chengdu ebyte electronic Technology Co.,Ltd.
E840-TTL-GPRS03 User Manual
Copyright ©2012–2017
，
Chengdu ebyte electronic Technology Co.,Ltd.
9
UARTCLR
Set/query whether UART cache is cleared before
module connection
MAC
Set/query MAC address
IMEI
Set/query IMEI
LINKSTA
Set/query SOCK connection
LINKSTA1
Set/query SOCK1 connection
LINKSTA2
Set/query SOCK2 connection
LINKSTA3
Set/query SOCK3 connection
SOCK
Set/query SOCK parameter
SOCK1
Set/query SOCK1 parameter
SOCK2
Set/query SOCK2 parameter
SOCK3
Set/query SOCK3 parameter
REGMOD
Set/query registration package mode
REGINFO
Set/query customized registration package information
（
ASCII
）
REGINFONEW
Set/query customized registration package information
（
HEX
）
HEARTMOD
Set/query Heartbeat Packet mode
HEARTINFO
Set/Query Customized Heartbeat Packet Information
（
ASCII
）
HEARTINFOEW
Set/query custom heartbeat packet information
(hexadecimal)
HEARTM
Set/query heartbeat time
SHORTM
Set/query short connection time
EBTIOT
Set/Query EBYTE IoT Cloud Platform Enable
CREG
Query whether registered to network
CSQ
Query signal strength
CPIN
Query SIM status
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
