Technical Specification; Model Specification; General Specification Parameter - Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.
Pin NO. Definition
1 VCC
2 GND
3 485_B
4 485_A
Note: The transceiver will be in poor communication when connected to multiple devices , it is recommended to be
connected to a single device, please try to use parallel 120Ω resistor between 485_A terminal and 485_B.

4. Technical specification

5.1 Model specification

Model No.
E90-DTU(400SL
37)
Note: Test condition: in clear and open air without shelters, 12V /2A power supply, 5dBi gain sucker antenna over 2
meters height from the ground, with the factory default parameters.

5.2 General specification parameter

No.
1 Size
2 Weight
3 Temperature
Antenna
4
impedance
5 Supply voltage
Communication
6
interface
7 Baud rate
8 Address
ChengduEbyteElectronicTechnologyCo,;Ltd
Copyright©2012–2021
10
Function
Crimping power interface,
positive
Crimping power interface,
negative
RS-485 interface, interface B
RS-485 interface, interface A
Frequenc TX
Distance
y power
Hz W
433.125M 5
Item Value
124 * 105 * 25 mm
253g
-40℃～85℃
50Ω
+10 ~ +36V DC
RS232/RS485
Default 9600
Default 0
10~36V DC, recommended 12V or 24V
The power supply negative pole is connected to the
system ground and the housing
The RS-485 interface B is connected to the device
The RS-485 interface A is connected to the device
Features
km
LoRa，
14.4
anti-interference
See more in 3.2. Dimensions
± 5g
Standard 50 Ω characteristic impedance
It is recommended to use 12V or 24V
Standard DB9 hole / 3.81 terminal block
From 1200~115200
65536 configurable address
E90-DTU SL User Manual
Description
interface B
interface A
Recommended application
Suitable for transmission of fast speed
in complex environment with data
interference over a long distance
Note