Ebyte E90-DTU - Configuring Gateway Radio E90-DTU(xxxSLxx-ETH)_V2.0

4.3 Frequency range and channels
Series
Model
Default frequency
（
HZ
）
Frequency range
（
HZ
）
Channel spacing
（
HZ
）
Channels
L
L433-30
433M
410~441M
1M
32,half duplex
L433-37
433M
410~441M
1M
32,half duplex
L170-30
170M
160~173.5M
250K
55,half duplex
N
N230-27
230M
225~237.6M
200K
64,half duplex
N230-33
230M
225~237.6M
200K
64,half duplex
N230-37
230M
225~237.6M
200K
64,half duplex
C
C433-30
433M
425~450.5M
100K
256,half duplex
C433-37
433M
425~450.5M
100K
256,half duplex
★ 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.
4.4 Transmit power level
Series
Model
5W
2W
1W
500mW
250mW
125mW
64mW
L
L433-30
√
Default
√
√
√
L433-37
√
Default
L170-30
√
Default
√
√
√
N
N230-27
√
Default
√
√
√
N230-33
√
Default
√
√
√
N230-37
√
Default
C
C433-30
√
Default
√
√
√
C433-37
√
Default
★ 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.