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E31-DTU(230N37)

[Frequency] : 225~237.6MHz

[Power] : 37dBm

[Distance] : 15km

[Interface] : RS232/RS485

[Introduction] : E51-DTU-5W is a 230MHz data transceiver unit (DTU) with RS232/RS485 interfaces and 10V ~ 36V voltage supply, it operates at 225~237.6MHz, Transparent transmission is available。

5W-DTU特点
特点
窄带

传输模式

RF ParameterValue
Remark
Working frequency
225~237.6 MHz

Default: 230MHz

Transmitting power37 dBm

About 5W

Receiving sensitivity-118 dBm

Air data rate: 1.2kbps

Air data rate1.2k~70kbps

Default: 1.2kbps

Test distance18000 meter

In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,

air data rate: 1.2kbps


Hardware ParameterValue
Remark
Size
124 * 105 * 25 mm

   

Antenna typeSMA-K

   

Communication interfaceRS232 / RS485

Baud rate: 1200~115200, default: 9600

Package  DB-9 / Screwing

Standard DB9 Hole/3.81 connecting terminal

Buffer512 bytes buffer

Automatically sub-packaging with 43 bytes per package


Electronic parameterMin.Typ.Max.UnitCondition
Power supply
101228V
Transmitting current 112512501375mA37dBm(5W)
stand-by current 40
4449mA

Operating temperature  -4020
+85
Operating humidity
 
1060
90%
Storage temperature
-4020
+125


5W_Size_1000

Pin No.
NameFunctionDescription
1DB-9 female connector
RS-232 connector

Standard RS-232 connector

23.81 wiring connectorRS-485, power connector

Standard RS-485 connector and line-pressing power source connector

3PWR-LEDPower source indicator

Red, light on when power on

4TXD-LEDTX indicator

Yellow, flicker when transmitting data

5RXD-LEDRX indicator

Yellow, flicker when receiving data

6DC power connectorPower source connector

Drop-in round hole, 5.5mm external diameter, 2.5mm internal diameter

7Toggle switchToggle switch

Operation mode control

8Antenna interfaceSMA-K connector

External screw and inner hole, 10mm long, 50Ω characteristic impedance


ModelIC Interface Frequency
Hz
Power
dBm
Distance
km
Air
data
rate
Package Size
(mm)
Feature ManualSample
E31-400M17S SPI AX5243 433M 17 2 0.1k~125k SMD 14 * 20 -
E31-433T30S UART AX5243 433M 30 8.6 1.2k~70k SMD 25*40.5 Narrow-band transmission,WOR
E31-433T17S3 UART AX5243 433M 17 2.0 1.2k~70k SMD 16*26 Narrow-band transmission,WOR
E31-DTU(230N33) 232/485 AX5243 230M 33 8.0 1.2k~70k Screwing/DB9 82*62*25 Diffraction , WOR
E31-DTU(230N37) 232/485 AX5243 230M 37 15 1.2k~70k Screwing/DB9 124*105*25 Diffraction , WOR
E31-230T33D UART AX5243 230M 33 8.0 1.2k~70k DIP 37*60 Diffraction , WOR
E31-DTU(230N17) 232/485 AX5243 230M 17 2.0 1.2k~70k Screwing/DB9 82*62*25 Diffraction , WOR
E31-DTU(230N27) 232/485 AX5243 230M 27 5.0 1.2k~70k Screwing/DB9 82*62*25 Diffraction , WOR
E31-230T17D UART AX5243 230M 17 2.0 1.2k~70k DIP 21*36 Diffraction , WOR
E31-230T27D UART AX5243 230M 27 5.0 1.2k~70k DIP 24*43 Diffraction , WOR
E31-433T17S UART AX5243 433M 17 2.0 1.2k~70k SMD 17*30 Narrow-band transmission
E31-433T17D UART AX5243 433M 17 2.1 1.2k~70k DIP 21*36 Narrow-band transmission
E31-433T27D UART AX5243 433M 27 4.0 1.2k~70k DIP 24*43 Narrow-band transmission
E31-433T30D UART AX5243 433M 30 6.0 1.2k~70k DIP 24*43 Narrow-band transmission
E31-433T33D UART AX5243 433M 33 8.0 1.2k~70k DIP 37*60 Narrow-band transmission
  • E31-400M17S

    Product model:E31-400M17S

    IC : SPI

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 17

    Distance km : 2

    Air data rate : 0.1k~125k

    Package : SMD

    Size (mm) : 14 * 20

    Feature : -

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  • E31-433T30S

    Product model:E31-433T30S

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 30

    Distance km : 8.6

    Air data rate : 1.2k~70k

    Package : SMD

    Size (mm) : 25*40.5

    Feature : Narrow-band transmission,WOR

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  • E31-433T17S3

    Product model:E31-433T17S3

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 17

    Distance km : 2.0

    Air data rate : 1.2k~70k

    Package : SMD

    Size (mm) : 16*26

    Feature : Narrow-band transmission,WOR

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  • E31-DTU(230N33)

    Product model:E31-DTU(230N33)

    IC : 232/485

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 33

    Distance km : 8.0

    Air data rate : 1.2k~70k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : Diffraction , WOR

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  • E31-DTU(230N37)

    Product model:E31-DTU(230N37)

    IC : 232/485

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 37

    Distance km : 15

    Air data rate : 1.2k~70k

    Package : Screwing/DB9

    Size (mm) : 124*105*25

    Feature : Diffraction , WOR

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  • E31-230T33D

    Product model:E31-230T33D

    IC : UART

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 33

    Distance km : 8.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 37*60

    Feature : Diffraction , WOR

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  • E31-DTU(230N17)

    Product model:E31-DTU(230N17)

    IC : 232/485

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 17

    Distance km : 2.0

    Air data rate : 1.2k~70k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : Diffraction , WOR

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  • E31-DTU(230N27)

    Product model:E31-DTU(230N27)

    IC : 232/485

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 27

    Distance km : 5.0

    Air data rate : 1.2k~70k

    Package : Screwing/DB9

    Size (mm) : 82*62*25

    Feature : Diffraction , WOR

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  • E31-230T17D

    Product model:E31-230T17D

    IC : UART

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 17

    Distance km : 2.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 21*36

    Feature : Diffraction , WOR

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  • E31-230T27D

    Product model:E31-230T27D

    IC : UART

    Interface : AX5243

    Frequency Hz : 230M

    Power dBm : 27

    Distance km : 5.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 24*43

    Feature : Diffraction , WOR

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  • E31-433T17S

    Product model:E31-433T17S

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 17

    Distance km : 2.0

    Air data rate : 1.2k~70k

    Package : SMD

    Size (mm) : 17*30

    Feature : Narrow-band transmission

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  • E31-433T17D

    Product model:E31-433T17D

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 17

    Distance km : 2.1

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 21*36

    Feature : Narrow-band transmission

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  • E31-433T27D

    Product model:E31-433T27D

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 27

    Distance km : 4.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 24*43

    Feature : Narrow-band transmission

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  • E31-433T30D

    Product model:E31-433T30D

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 30

    Distance km : 6.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 24*43

    Feature : Narrow-band transmission

    PDF :

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  • E31-433T33D

    Product model:E31-433T33D

    IC : UART

    Interface : AX5243

    Frequency Hz : 433M

    Power dBm : 33

    Distance km : 8.0

    Air data rate : 1.2k~70k

    Package : DIP

    Size (mm) : 37*60

    Feature : Narrow-band transmission

    PDF :

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