Ebyte 433D20, Руководство пользователя, Страница: 10 / 17

Chengdu Ebyte Electronic Technology Co.,Ltd. E62-DTU (433D20) user manual
Copyright ©2012–2019 ，
Chengdu Ebyte Electronic Technology Co,;Ltd 9
5.3.
Frequency range and channels
Model
Default frequency Frequency range
Channel
spacing Channels
Hz Hz Hz
E62-DTU (433D20) 433 425 ~ 450.5 0.1 Full-duplex
★
Note: In the same a rea when mu ltip le data transceivers are commun icating 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 15mW 25mW 50mW 100mW
E62-DTU (433D20)
√ √ √ √
★
Note: The lowe r the transmit power, the c loser the transmission distance, but the working current won’t be declined in
exact proportion, it is recommended to use the maximu m transmit power.
5.5.
Current parameters
Model
Transmitting current mA Standby current mA
12V 24V 12V 24V
E62-DTU (433D20) 104 66 40 36
★
Note: It is recommended to retain more than 50% o f the current marg in 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
E62-DTU (433D20) 2048Byte Large buffer
★
Note:
1. When the receiving data is more than a single packet capacity, the beyond part will be automat ically assigned
to the second transmission until it is completed;
2. The data transceiver cannot receive data which is more than the buffer capacity;