At Command - Ebyte E840-TTL-NB03 User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.

3. AT Command

a) Command format: AT+<CMD>[op][ para1, para2, para3,...]<CR><LF>
AT+: Command prefix
CMD: Control command
[op]: "=" Parameter configuration
"NULL" Parameter query
[para-n]: List of parameters, can be omitted
<CR><LF>: Line Feed，ASCII 0x0D 0x0A
b) Command error code:
Error code
-1
-2
-3
-4
-5
c) Command set:
Command
REBT
VER
INFO
EXAT
RESTORE
UART
UARTCLR
MAC
IMEI
SN
LINKSTA
SOCK
REGMOD
REGINFO
REGINFONEW
HEARTMOD
HEARTINFO
HEARTINFOEW
HEARTM
SHORTM
CDEBYTEIOT
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
Invalid command format
Invalid command
Invalid operator
Invalid parameter
Operation not allowed
Query version number
Query device information
Exit AT command mode
Restore factory settings
Set/query serial port parameters
Set/Query whether to clear the serial port cache before connecting
Query MAC address
Set/query SN code
Query the SOCK connection status
Set/query SOCK parameters
Set/Query Registration Packet Mode
Set/Query User Registration Packet information (ASCII)
Set/Query User Registration Packet information (HEX)
Set/query heartbeat packet mode
Set/Query User Heartbeat Packet information (ASCII)
Set/Query User Heartbeat Packet information (HEX), Supporting index
Set/query heartbeat time
Set/query short connection time
Set/query the IP and port address of the Ebyte IoT cloud platform
E840-TTL-NB03 User Manual
Description
Description
Restart
Query IMEI
10