Communication Interface Description; Technical Indicators; Model Specifications - Ebyte E95-DTU User Manual

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2.2 Communication interface description

The E95-DTU (900SLxx-485) can be connected to the device through RS485 using the terminal block.
standard
number
definition
1 G
2 A
3 B
4 TX
5 RX
Note: When the radio is connected with multiple devices, the communication is not smooth, but there is no such
phenomenon when a single device is connected. Please try to connect a 120Ω resistor in parallel between the
485_A terminal and the 485_B terminal.

3.Technical indicators

3.1 Model Specifications

Model Specifications
E95-DTU(900SL22-4
85)
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function
signal ground
RS485 bus A interface
RS485 bus B interface
RS232 bus TX interface
RS232 bus RX interface
Frequency Power
MHz dBm
850.125
～
22
930.125
explanation
Anti-interference, grounding
The RS485 interface A interface is connected to
the device A interface
RS485 interface B interface is connected to
device B interface
The RS232 interface TX interface is connected
to the device RX interface
The RS232 interface RX interface is connected
to the device TX interface
Distance
Specifications
km
New generation
5 LoRa
spectrum,
E95-DTU(900SLxx-485) User Manual
Recommended
application scenarios
long-distance,
spread interference-prone
DC environments.