Command Format; Factory Default Parameter; Reading Operating Parameter; Version Number Reading - Ebyte E49-400T20D User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

7. Command format

Command mode (Mode 2: M0 = 0, M 1 = 1), the list of supported commands is as follows (when set, only 9600,
8N1 format is supported):
No. Command format
C0+operating
1
parameter
2 C1+C1+C1
C2+operating
3
parameter
4 C3+C3+C3

7.1 Factory default parameter

Model
Module type Frequency
E49-400T20D 433MHz

7.2 Reading operating parameter

Command format
C1+C1+C1

7.3 Version number reading

Command format
C3+C3+C3
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
Send C0 + 5 byte working parameters in hexadecimal format, a total of 6 bytes and
must be sent continuously (save when power off)
Send three C1s in hexadecimal format. The module returns the saved parameters and
must be sent continuously.
Send C2 + 5 bytes working parameter in hexadecimal format, a total of 6 bytes and
must be sent continuously(do not save when power off)
Send three C3s in hexadecimal format. The module returns version information and
must be sent continuously.
Factory default parameter value: C0 00 00 19 2E 00
Address Channel
0x0000 0x2E
In the setting mode (M0 = 0, M1 = 1), issue a command to the module
serial port (HEX format): C1 C1 C1,
The module will return the current configuration parameters,
such as: C0 00 00 18 20 00
In the setting mode (M0 = 0, M1 = 1), issue a command to the module serial port (HEX
format): C3 C3 C3,
The module will return the current configuration parameters, such as: C3 49 xx yy;
49 here represents the module model (E49 series), xx is the version number, and yy refers to
other features of the module (users can ignore).
Description
Air rate Baud rate
2.4kbps 9600
Description
Description
E49-400T20D User Manual
Transmitting power
20
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