Chengdu Ebyte Electronic Technology Co., Ltd
E49-900T20S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
15
3
C2+operating
parameter
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)
4
C3+C3+C3
Send three C3s in hexadecimal format. The module returns version information and
must be sent continuously.
7.1 Default parameters
Model
Factory default parameter value
：
C0 00 00 19 2E 00
Module type
Frequency Address
Channel
Air rate
Baud rate
Transmitting power
E49-900T20S
868MHz
0x0000
0x2E
2.4kbps
9600
20
7.2 Reading operating parameter
Instruction format
Detailed description
C1+C1+C1
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
7.3 Reading version number reading
Instruction format
Detailed description
C3+C3+C3
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).
7.4 Parameter setting instruction
No.
Item
Description
Remark
