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Chengdu Ebyte Electronic Technology Co., Ltd.
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.
5
Technical specification
5.1 Model specification
Frequency
Model No.
Hz
E32-DTU(433L33
433M
)-V8
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.
Item
1
Size
2
Weight
3
Temperature
Antenna
4
impedance
5
Supply voltage
Communicatio
6
n interface
7
Baud rate
8
Address code
5.3 Frequency and channel numbers
Default Frequency
Model No.
Copyright ©2012–2022，Chengdu Ebyte Electronic Technology Co., Ltd.
RS-485 interface, interface B
RS-485 interface, interface A
TX power
Distance
W
km
2
12
Value
82*62*25mm
150g
-40℃～+85℃
50Ω
8～28V DC
RS232/RS485
Factory default 9600
Factory default 0
Frequency Range
Hz
Hz
E32-DTU(433L33)-V8 User Manual
The RS-485 interface B is connected to the
device interface B
The RS-485 interface A is connected to the
device interface A
Features
Recommended application
LoRa，
Suitable for small data and long-distance
anti-interference
application environment
Note
See more in 3.2. Dimensions
Difference is within 5g
Meet industrial request
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
Channel
Interval
Hz
Channel numbers
9
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