Chengdu Ebyte Electronic Technology Co.,Ltd
E840-DTU(4G-02E) User Manual
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
22
EBTIOT
set/inquire to enable Ebyte IoT Cloud Platform
CREG
Inquire if it is registered to network
CSQ
Inquire signal strength
CPIN
Inquire SIM card status
POTOCOL
set/inquire if protocol transmission mode starts
UARTEX
set/inquire serial port parameter(9600,8
,
N
,
1)
ICCID
Inquire SIM card’s ICCID
HSPEED
set/inquire if high speed continuous transmission is opened
LBS
set/inquire base station information
(
base station positioning
)
UARTTS
set/inquire serial port packing length and gap
SMSSEND
Send message
SMSINFO
set/inquire message setting identifier
MODBUS
set/inquire ModbusTCP/RTU switch function
MTCPID
set/inquire ModbusTCP event identifier
NETHEAD
set/inquire AT network head
MQTTMODE
set/inquire MQTT mode
MQTT_ADDRESS
set/inquire address and port of IOT
MQTT_CONNECT
set/inquire parameter connected to IOT
MQTT_SUBSCRIBE_TOPIC
set/inquire subscribed topic and level
MQTT_PUBLISH_TOPIC
set/inquire published topic and level
MQTT_ALIAUTH
set/inquire Ali cloud three factor
d) Command Description
:
AT+REBT
Function
:
Restart module
Format
:
configure
Transmit
:
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
:
inquire firmware version
Format
:
configure
transmit AT+VER<CR><LF>
return <CR><LF>+OK=<ver><CR><LF>
Parameter
:
ver firmware version
Description
:
None
AT+INFO
Function
:
Inquire module type and version info.
Format
:
configure
transmit AT+INFO<CR><LF>
return <CR><LF>+OK=<mod_name>,<hw_ver>,<sw_ver><CR><LF>
Parameter
:
mod_name
module name
hw_ver
hardware version
sw_ver
software version
Description
:
None
AT+EXAT
Function
:
exit command mode
,
enter transparent transmission mode
Содержание 4G-02E
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