5、 Technical Indicators; Model Specifications; General Specifications; Frequency Range And Number Of Channels - Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.
4 485_A
★
Note: If communication is poor when connecting the radio to multiple devices, but not with a single device, try connecting a
120Ω resistor in parallel between the 485_A terminal and the 485_B terminal.
5、 Technical indicators

5.1 Model Specifications

Model
specifications
E90-DTU(400SL33)
★ Note: Sunny weather, open environment unobstructed, 12V/2A power supply, 5dBi suction cup antenna, antenna 2 meters above
the ground, using factory default parameters.

5.2 General Specifications

serial
number
1 Product size
2 Product weight
Operating
3
temperature
4
impedance
5 Voltage range
Communication
6
interface
7 baud rate
8 Address code

5.3 Frequency range and number of channels

Model specifications
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RS-485 interface, A interface
Operating Transmit Reference
frequency power
Hz W
433.125M 2
project specification
82*62*25 mm
150g
-40℃～+85℃
Antenna
50Ω
8～28V DC
RS232/RS485
Factory default 9600
The factory default is 0
Default
RS-485 interface A interface is connected to device A
interface
Specification
distance
characteristics
km
LoRa spread
16
spectrum immunity
See installation dimensions for details
Weight tolerance 4.5g
Meet the needs of industrial-grade use
Standard 50Ω characteristic impedance
12V or 24V is recommended
Standard DB9-pin/3.81 terminal blocks
Baud rate range 1200~115200
A total of 65536 address codes can be set
Band range
E90-DTU(400SL33) User Manual
Recommended application scenarios
Suitable for long distances and easily
disturbed environments
illustrate
Channel Number of channels