Copyright©2012–2023, Chengdu Ebyte Electronic Technology Co., Ltd.
11
Chapter Five Technical Specifications
5.1 Model Specifications
Model
Specifications
Working
frequency
Transmit
power
Reference
distance
Specifications
MHz
W
km
E 78
-DTU( 900LN22 )
850~925
0.16W
3KM
LoRaWan standard
Note: Reference distance test environment: sunny weather, open environment without shelter, 12 V2A power supply, 5d B i gain
suction cup antenna, the height of the antenna from the ground is 2 meters, and the factory default parameters are used.
5.2 General Specifications
Serial
number
Item
Specification
Explanation
1
Product Size
100*84*25mm
See installation dimensions for details
2
product weight
120g
Weight tolerance 5 g
3
Operating
temperature
-40℃
～
85 ℃
Meet the needs of industrial use
4
Antenna
Impedance
50Ω
Standard 50Ω characteristic impedance
5
voltage range
8
～
28VDC
V or 24 V recommended
6
Current parameter
Emission current:
15mA@12V
Waiting current:
10mA@12V
7
Communication
Interface
RS232/RS485
Standard DB9 socket /3.81 mm Phoenix terminal block
8
baud rate
Factory default 9600
9
address code
Factory default 0
A total of 65536 address codes can be set
Chapter Six Working Mode
The device has two working modes. For normal communication, the radio is configured as transparent transmission mode; the
default setting of the radio is also transparent transmission mode when it leaves the factory.
Category
Note
