Chengdu Ebyte Electronic Technology Co.,Ltd.
E34-DTU (2G4D20) user manual
Copyright ©2012–2019
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Chengdu Ebyte Electronic Technology Co,;Ltd
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Note: In the same area when multiple data transceivers are communicating one to one at the same time, it is
recommended to set the channel spacing between each group of data transceivers at 2MHz or more.
5.4.
Transmit power level
Model
1.3mW
5mW
25mW
100mW
E34-DTU(2G4D20)
√
√
√
√
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Note: The lower the transmit power, the closer the transmission distance, but the working current won’t be declined in
exact proportion, it is recommended to use the maximum transmit power.
5.5.
Current parameters
Model
Transmitting current mA
Standby current mA
12V
24V
12V
24V
E34-DTU(2G4D20)
145
87
50
39
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Note: It is recommended to retain more than 50% of the current margin when selecting the power supply, which will
help the data transceiver to work steadily for a long time.
5.6.
Transceiver Length and Sub-packing Mode
Model
Buffer
Sub-package
E34-DTU(2G4D20)
1024Byte
Half duplex: automatic subcontracting 29 bytes send
full duplex: unlimited packet length
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Note:
1. When the receiving data is more than a single packet capacity, the beyond part will be automatically assigned
to the second transmission until it is completed;
2. The data transceiver cannot receive data which is more than the buffer capacity;
6. Operating mode
E34-DTU(2G4D20) has four operating modes, if low power consumption is not required, normal communication is
recommended to configure the data transceiver for the normal mode (mode 0);
The factory default is normal mode (mode 0).
Categories
M1
M0
Description
Mode 0
Half duplex
ON
ON
Serial port open, wireless open, transparent transmission, half duplex operation
Mode 1
Full duplex
ON
OFF
Serial port open, wireless open, transparent transmission, full duplex operation
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