Chengdu Ebyte Electronic Technology Co.,Ltd
E800-DTU(433Lxx-485)-V8 UserManual
Copyright ©2012–2022
，
Chengdu Ebyte Electronic Technology Co.,Ltd
7
device is not, please try to parallel connect a 120Ω resistor between 485_A terminal and 485_B terminal.
5. Technical indicator
5.1. Model specification
Model
Frequency
TX power
Distance
Feature
Application
Hz
W
km
E800-DTU(433LX
X-485)-V8
433M
1
8
LoRa
anti-interfer
ence
To the environment with
small data, far distance
★
Note: Test condition: in clear and open air without shelters, 12V /1A power supply, 5dBi gain sucker antenna
over 2 meters height from the ground, with the factory default parameters.
5.2.
General specification parameters
NO.
Parameter
Specification
Description
1
Size
82*62*25mm
2
Weight
79g
+/- 4.5g
3
Operating
temperature
-40℃
～
+85℃
For industrial application
4
Antenna
impedance
50Ω
Standard 50 Ω characteristic impedance
5
Supply voltage
10
～
28V DC
It is recommended to use 12V or 24V
6
Communication
interface
RS485
Standard DB9 hole / 3.81 terminal block
7
Baud rate
Default 9600
1200 to 115200 bps
8
Address
Default 0
65536 configurable addresses
5.3. Frequency range and channels
Model
Frequency
Band range
Channel gap
Channel numbers
Hz
Hz
Hz
E800-DTU(433LX
X-485)-V8
433M
410
～
441M
1M
32
，
half-duplex
★
Note: In the same area, multiple groups of DTU are used for one-to-one communication at the same time. It is recommended that
each group of devices should be set with a channel interval of more than 2MHz.
