Chengdu Ebyte Electronic Technology Co,;Ltd E 90-DTU (230N33) user manual
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co,;Ltd
10
5.2.
Frequency range and channels
Model
Default frequency
Frequency range
Channel
spacing
Channels
Hz
Hz
Hz
E90-DTU (230N33)
230M
225~237.6M
200K
64
,
half 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.
5.3.
Transmit power level
Mode
2W
1W
500mW
250mW
E90-DTU (230N33)
√
√
√
√
★
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.
5.4.
Air data rate
Model
Default air data
rate
Levels
Air data rate(bps)
bps
bps
E90-DTU (230N33)
1.2k
8
1.2
、
2.4
、
4.8
、
9.6
、
19.2
、
38.4
、
50
、
70k
★
Note: The higher the air data rate, the faster the transmission rate, the transmission distance is also closer; when the
rate meets the requirements, the lower air data rate, the better quality.
5.5.
Current parameters
Model
Transmitting current mA
Standby current mA
12V
24V
12V
24V
E90-DTU (230N33)
806
396
19
11
★
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.
Summary of Contents for 230N33
Page 1: ...E90 DTU 230N33 ...