Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd. E90-DTU(xxxSLxx-ETH)_V2.0 User Manual
Copyright ©2012–2023，Chengdu Ebyte Electronic Technology Co.,Ltd.
17
3.2 Frequency and number of channels
Model
Default frequency
Frequency band
Channel spacing
Number of channels
MHz
MHz
Hz
E90-DTU
(230SL-22/30-ETH)_V2.0
230.125
220.125～236.125
250K
0～64（Default 40）
Half Duplex
E90-DTU
(400SL-22/30-ETH)_V2.0
433.125
410.125
～
493.125
1M
0
～
83
（
Default 23
）
Half Duplex
E90-DTU
(900SL-22/30-ETH)_V2.0
868.125
850.125
～
930.125
1M
0
～
80
（
Default 18
）
Half Duplex
【Note】：
In the same area using multiple groups of digital radios to communicate one-to-one at the same time, it is
recommended that each group of digital radios set the channel interval above 3MHz.
3.3 Transmit power level
E90-DTU
(230/400/900SL22-ETH)_V2.0
E90-DTU
(230/400/900SL30-ETH)_V2.0
High
22（dBm）（Default）
30（dBm）（Default）
Medium
17（dBm）
27（dBm）
Low
13（dBm）
24（dBm）
Very low
10（dBm）
21（dBm）
【Note】
1, the lower the transmitting power, the closer the transmission distance, but the working current does not
decrease in proportion, it is recommended to use the maximum transmitting power;
2, software to adjust the power can not be accurately adjusted there are errors;
3.4 Air speed
Model
Airspeed range
Default
parameters
E90-DTU(230SL-22/30-ETH)_V2.0
2.4
、
4.8
、
9.6
、
15.6Kbps
2.4Kbps
E90-DTU(400SL-22/30-ETH)_V2.0
2.4
、
4.8
、
9.6
、
19.2
、
38.4
、
62.5Kbps
2.4Kbps
E90-DTU(900SL-22/30-ETH)_V2.0
2.4、4.8、9.6、19.2、38.4、62.5 Kbps
2.4Kbps

Ebyte E90-DTU Specifications

General

Brand	Ebyte
Model	E90-DTU
Category	Modem
Language	English