DRAGINO DRA LDDS04 Datasheet

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LDDS04 LoRaWAN 4-Channels Distance Sensor User Manual 1 / 38

LoRaWAN 4-Detect-Channels Distance Sensor User Manual

Document Version: 1.1
Image Version: v1.0

Version

Description

Date

1.0

Release

2021-Aug-19

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1. Introduction 4

1.1 What is LoRaWAN 4-Channels Distance Sensor 4

1.2 Features 5

1.3 Applications 5

1.4 Pin mapping and power on 5

1.5 Probe Options 6

1.5.1 Probes Comparation 6

1.5.2 A01A-15 probe 7

1.5.3 A02-15 probe 9

1.5.4 A13-15 probe 10

1.5.5 A16-15 probe 12

2. Configure LDDS04 to connect to LoRaWAN network 14

2.1 How it works 14

2.2 Connect Probe 14

2.3 Quick guide to connect to LoRaWAN server (OTAA) 15

2.4 Uplink Payload 19

2.4.1 Battery Info 19

2.4.2 Interrupt Pin 19

2.4.3 Distance 19

2.4.4 Message Type 20

2.4.5 Decode payload in The Things Network 21

2.5 Uplink Interval 21

2.6 Show Data in DataCake IoT Server 22

2.7 Frequency Plans 28

2.7.1 EU863-870 (EU868) 28

2.7.2 US902-928(US915) 28

2.7.3 CN470-510 (CN470) 28

2.7.4 AU915-928(AU915) 29

2.7.5 AS920-923 & AS923-925 (AS923) 29

2.7.6 KR920-923 (KR920) 29

2.7.7 IN865-867 (IN865) 30

2.8 LED Indicator 30

2.9 Firmware Change Log 30

3. Configure LDDS04 via AT Command or LoRaWAN Downlink 31

3.1 Set Transmit Interval Time 31

3.2 Set Interrupt Mode 32

3.3 Get Firmware Version Info 32

4. Battery & how to replace 33

4.1 Battery Type 33

4.2 Replace Battery 34

4.3 Power Consumption Analyze 34

4.3.1 Battery Note 35

4.3.2 Replace the battery 35

5. Use AT Command 36

5.1 Access AT Commands 36

6. FAQ 37

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6.1 How to change the LoRa Frequency Bands/Region 37

7. Trouble Shooting 37

7.1 AT Commands input doesn’t work 37

8. Order Info 37

8.1 Main Device LDDS04 37

8.2 Probe Model 37

9. Packing Info 38

10. Support 38

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1. Introduction

1.1 What is LoRaWAN 4-Channels Distance Sensor

The Dragino LDDS04 is a LoRaWAN 4-Channels Distance Sensor for Internet of Things
solution. It is capable to add up to four Ultrasonic Sensors to measure four distances at the
same time.

The LDDS04 can be applied to scenarios such as horizontal distance measurement, parking
management system, object proximity and presence detection, intelligent trash can
management system, robot obstacle avoidance, automatic control, sewer, etc.

It detects the distance between the measured object and the sensor, and uploads the value
via wireless to LoRaWAN IoT Server.

The LoRa wireless technology used in LDDS04 allows device to send data and reach
extremely long ranges at low data-rates. It provides ultra-long range spread spectrum
communication and high interference immunity whilst minimizing current consumption.

LDDS04 is powered by 8500mAh Li-SOCI2 battery, it is designed for long term use up to 5
years.

Each LDDS04 is pre-load with a set of unique keys for LoRaWAN registrations, register these
keys to local LoRaWAN server and it will auto connect after power on.

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1.2 Features

 LoRaWAN 1.0.3 Class A
 Ultra-low power consumption
 Detect Range: Base on External Probe
 Monitor Battery Level
 Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
 AT Commands to change parameters
 Uplink on periodically
 Downlink to change configure
 8500mAh Battery for long term use

1.3 Applications

 Horizontal distance measurement
 Parking management system
 Object proximity and presence detection
 Intelligent trash can management system
 Robot obstacle avoidance
 Automatic control
 Sewer

1.4 Pin mapping and power on

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1.5 Probe Options

1.5.1 Probes Comparation

Model

Photo

Description

A01A-15

Detect Distance: 28 cm ~ 750 cm
Bling Spot Distance: 0 ~ 28cm
Accuracy: ±(1cm+S*0.3%) (S: Distance)
Measure Angle: ~ 40°
Cable Length: 1.5 meter
Temperature Compensation
Suitable for Flat Object Detect
IP67 Water Proof

A02-15

Detect Distance: 3cm ~ 450cm
Bling Spot Distance: 0 ~ 3cm
Accuracy: ±(1cm+S*0.3%) (S: Distance)
Measure Angle: ~ 60°
Cable Length: 1.5 meter
Temperature Compensation
Suitable for Flat Object Detect, Rubbish Bin
IP67 Water Proof

A13-15

Detect Distance: 25cm ~ 200cm
Bling Spot Distance: 0 ~ 25cm
Accuracy: ±(1cm+S*0.3%) (S: Distance)
Measure Angle: ~ 20°
Cable Length: 1.5 meter
Temperature Compensation
Suitable for Flat Object Detect, Rubbish Bin
IP67 Water Proof

A16-15

Detect Distance: 50cm ~ 1500cm
Bling Spot Distance: 0 ~ 50cm
Accuracy: ±(1cm+S*0.3%) (S: Distance)
Measure Angle: ~ 40°
Cable Length: 1.5 meter
Temperature Compensation
Suitable for Long Distance Detect
IP67 Water Proof

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1.5.2 A01A-15 probe

A01A-15 is mainly used for plane distance measurement; it can carry out targeted
measurement on plane objects and can measure long distances and high accuracy.

Beam Chart:

(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a
diameter of 7.5cm.

(2) The object to be tested is a "corrugated cardboard box" perpendicular to the central axis
of 0 °, and the length * width is 60cm * 50cm.

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Mechanical:

Application:

150 cm ±1cm

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1.5.3 A02-15 probe

Beam Chart:

(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a
diameter of 7.5cm.

(2) The object to be tested is a "corrugated cardboard box" perpendicular to the central axis
of 0 °, and the length * width is 60cm * 50cm.

Mechanical:

Application:

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1.5.4 A13-15 probe

Beam Chart:

(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a
diameter of 7.5cm.

(2) The object to be tested is a "corrugated cardboard box" perpendicular to the central axis
of 0 °, and the length * width is 60cm * 50cm.

Mechanical:

150 cm ±2cm

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Installation Requirement:

Application:

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1.5.5 A16-15 probe

Beam Chart:

(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a
diameter of 7.5cm.

(2) The object to be tested is a "corrugated cardboard box" perpendicular to the central axis
of 0 °, and the length * width is 60cm * 50cm.

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Mechanical:

Application:

150 cm ±2cm

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2. Configure LDDS04 to connect to LoRaWAN network

2.1 How it works

The LDDS04 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to
join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA
keys in the LoRaWAN IoT server and power on the LDDS04. It will automatically join the
network via OTAA and start to send the sensor value. The default uplink interval is 20
minutes.

2.2 Connect Probe

LDDS04 has a converter, User need to connect the Ultrasonic Probes to the convert
as below. Different probes are supported, please see this link for the probe options.

Probe mapping as below.

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2.3 Quick guide to connect to LoRaWAN server (OTAA)

Following is an example for how to join the TTN v3 LoRaWAN Network. Below is the network
structure; we use the DLOS8 as a LoRaWAN gateway in this example.

The LG308 is already set to connected to TTN network , so what we need to now is configure
the TTN server.

Step 1: Create a device in TTN with the OTAA keys from LDDS04.
Each LDDS04 is shipped with a sticker with the default device EUI as below:

You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:

Register the device

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Add APP EUI and DEV EUI

Add APP EUI in the application

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Add APP KEY

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Step 2: Power on LDDS04

Put a Jumper on JP2 to power on the device. (The Switch must be in FLASH position).

Step 3: The LDDS04 will auto join to the TTN network. After join success, it will start to
upload messages to TTN and you can see the messages in the panel.

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2.4 Uplink Payload

LDDS04 will uplink payload via LoRaWAN with below payload format:

Uplink payload includes in total 11 bytes.

2.4.1 Battery Info

Check the battery voltage for LDDS04.
Ex1: 0x0D4A & 0x3FFF = 3402mV
Ex2: 0x8D41 & 0x3FFF = 3393mV

2.4.2 Interrupt Pin

This bit shows if uplink packet is generated by Interrupt Pin or not. Click here for the hardware
and software set up. Note: The Internet Pin is a separate pin in the screw terminal. See pin

mapping.

Example:

(0x0D4A & 0x8000) >>15 = 0: Normal uplink packet.
(0x8D41 & 0x8000) >>15 = 1: Interrupt Uplink Packet.

2.4.3 Distance

The measuring distance of the four distance measuring modules, the default unit is cm.

Example:

Uplink Payload: 0D 4A 03 16 03 18 03 1A 03 15 01

Data analysis:

Distance of UT sensor1 : 0316(H) = 790 (D)/10 = 79cm.
Distance of UT sensor2 : 0318(H) = 792 (D)/10 = 79.2cm.
Distance of UT sensor3 : 031A(H) = 794 (D)/10 = 79.4cm.
Distance of UT sensor4 : 0315(H) = 789 (D)/10 = 78.9cm.

Size
(bytes)

2 2 2 2 2

1

Value

BAT
&

Interrupt flag

Distance of
UT sensor1

Distance of
UT sensor2

Distance of
UT sensor3

Distance of
UT sensor4

Message
Type

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2.4.4 Message Type

For a normal uplink payload, the message type is always 0x01.
Valid Message Type:

Message Type Code

Description

Payload

0x01

Normal Uplink

Normal Uplink Payload

0x02

Reply configures info

Configure Info Payload

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2.4.5 Decode payload in The Things Network

While using TTN network, you can add the payload format to decode the payload.

The payload decoder function for TTN is here:
LDDS04 TTN Payload Decoder:

https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS04/Dec
oder/

function Decoder(bytes, port) {
var decode = {};
var value=(bytes[0]<<8 | bytes[1]) & 0x3FFF;
decode.BatV= value/1000;
decode.EXTI_Trigger=(bytes[0] & 0x80)? "TRUE":"FALSE";
decode.distance1_cm=(bytes[2]<<8 | bytes[3])/10;
decode.distance2_cm=(bytes[4]<<8 | bytes[5])/10;
decode.distance3_cm=(bytes[6]<<8 | bytes[7])/10
decode.distance4_cm=(bytes[8]<<8 | bytes[9])/10;
decode.mes_type= bytes[10];

if(!((bytes[0]==0x03)&&(bytes[10]==0x02)))
{
return decode;
}
}

2.5 Uplink Interval

The LDDS04 by default uplink the sensor data every 20 minutes. User can change this
interval by AT Command or LoRaWAN Downlink Command. See this link:

http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Comm
ands#Change_Uplink_Interval

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2.6 Show Data in DataCake IoT Server

DATACAKE provides a human friendly interface to show the sensor data, once we have data

in TTN, we can use DATACAKE to connect to TTN and see the data in DATACAKE. Below are
the steps:

Step 1: Be sure that your device is programmed and properly connected to the network at
this time.
Step 2: To configure the Application to forward data to DATACAKE you will need to add
integration. To add the DATACAKE integration, perform the following steps:

Step 3: Create an account or log in Datacake.
Step 4: Create LDDS04 product.

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Step 5: add payload decode

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After added, the sensor data arrive TTN, it will also arrive and show in Datacake.

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2.7 Frequency Plans

The LDDS04 uses OTAA mode and below frequency plans by default. If user want to use it with
different frequency plan, please refer the AT command sets.

2.7.1 EU863-870 (EU868)

Uplink:

868.1 - SF7BW125 to SF12BW125

868.3 - SF7BW125 to SF12BW125 and SF7BW250

868.5 - SF7BW125 to SF12BW125

867.1 - SF7BW125 to SF12BW125

867.3 - SF7BW125 to SF12BW125

867.5 - SF7BW125 to SF12BW125

867.7 - SF7BW125 to SF12BW125

867.9 - SF7BW125 to SF12BW125

868.8 - FSK

Downlink:
Uplink channels 1-9 (RX1)

869.525 – SF12BW125 (RX2 downlink only)

2.7.2 US902-928(US915)

Used in USA, Canada, and South America. Frequency band as per definition in LoRaWAN 1.0.3
Regional document.

To make sure the end node supports all sub band by default. In the OTAA Join process, the end
node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1
from sub-band3, etc to process the OTAA join.

After Join success, the end node will switch to the correct sub band by:
➢ Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and

switch to that sub-band

➢ Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA

Join Accept message ( TTN v2 doesn't include)

2.7.3 CN470-510 (CN470)

Used in China, Default use CHE=1
Uplink:

486.3 - SF7BW125 to SF12BW125

486.5 - SF7BW125 to SF12BW125

486.7 - SF7BW125 to SF12BW125

486.9 - SF7BW125 to SF12BW125

487.1 - SF7BW125 to SF12BW125

487.3 - SF7BW125 to SF12BW125

487.5 - SF7BW125 to SF12BW125

487.7 - SF7BW125 to SF12BW125

Downlink:

506.7 - SF7BW125 to SF12BW125

506.9 - SF7BW125 to SF12BW125

507.1 - SF7BW125 to SF12BW125

507.3 - SF7BW125 to SF12BW125

507.5 - SF7BW125 to SF12BW125

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507.7 - SF7BW125 to SF12BW125

507.9 - SF7BW125 to SF12BW125

508.1 - SF7BW125 to SF12BW125

505.3 - SF12BW125 (RX2 downlink only)

2.7.4 AU915-928(AU915)

Frequency band as per definition in LoRaWAN 1.0.3 Regional document.

To make sure the end node supports all sub band by default. In the OTAA Join process, the end
node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1
from sub-band3, etc to process the OTAA join.

After Join success, the end node will switch to the correct sub band by:
➢ Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and

switch to that sub-band

➢ Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA

Join Accept message ( TTN v2 doesn't include)

2.7.5 AS920-923 & AS923-925 (AS923)

Default Uplink channel:

923.2 - SF7BW125 to SF10BW125

923.4 - SF7BW125 to SF10BW125

Additional Uplink Channel:
(OTAA mode, channel added by JoinAccept message)

AS920~AS923 for Japan, Malaysia, Singapore:

922.2 - SF7BW125 to SF10BW125

922.4 - SF7BW125 to SF10BW125

922.6 - SF7BW125 to SF10BW125

922.8 - SF7BW125 to SF10BW125

923.0 - SF7BW125 to SF10BW125

922.0 - SF7BW125 to SF10BW125

AS923 ~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand,

Vietnam:

923.6 - SF7BW125 to SF10BW125

923.8 - SF7BW125 to SF10BW125

924.0 - SF7BW125 to SF10BW125

924.2 - SF7BW125 to SF10BW125

924.4 - SF7BW125 to SF10BW125

924.6 - SF7BW125 to SF10BW125

Downlink:

Uplink channels 1-8 (RX1)

923.2 - SF10BW125 (RX2)

2.7.6 KR920-923 (KR920)

Default channel:

922.1 - SF7BW125 to SF12BW125

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922.3 - SF7BW125 to SF12BW125

922.5 - SF7BW125 to SF12BW125

Uplink: (OTAA mode, channel added by JoinAccept message)

922.1 - SF7BW125 to SF12BW125

922.3 - SF7BW125 to SF12BW125

922.5 - SF7BW125 to SF12BW125

922.7 - SF7BW125 to SF12BW125

922.9 - SF7BW125 to SF12BW125

923.1 - SF7BW125 to SF12BW125

923.3 - SF7BW125 to SF12BW125

Downlink:
Uplink channels 1-7(RX1)

921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)

2.7.7 IN865-867 (IN865)

Uplink:

865.0625 - SF7BW125 to SF12BW125

865.4025 - SF7BW125 to SF12BW125

865.9850 - SF7BW125 to SF12BW125

Downlink:
Uplink channels 1-3 (RX1)

866.550 - SF10BW125 (RX2)

2.8 LED Indicator

The LDDS04 has an internal LED which is used to show the status of different state.
➢ After LDDS04 is turned on, if the 4 channels converter is detected, the LED will flash 4 times

quickly.

➢ Blink once when device transmit a packet.
➢ Solid ON for Five Seconds when OTAA Join Successfully.

2.9 Firmware Change Log

Firmware download link:

http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS04/Firmware/

Firmware Upgrade Method:

http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_
products#Introduction

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3. Configure LDDS04 via AT Command or LoRaWAN Downlink

Use can configure LDDS04 via AT Command or LoRaWAN Downlink.

➢ AT Command Connection: See FAQ.
➢ LoRaWAN Downlink instruction for different platforms:

http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server

There are two kinds of commands to configure LDDS04, they are:
➢ General Commands.

These commands are to configure:

✓ General system settings like: uplink interval.
✓ LoRaWAN protocol & radio related command.

They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These
commands can be found on the wiki:

http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command

➢ Commands special design for LDDS04

These commands only valid for LDDS04, as below:

3.1 Set Transmit Interval Time

Feature: Change LoRaWAN End Node Transmit Interval.

AT Command: AT+TDC

Command Example

Function

Response

AT+TDC=?

Show current transmit Interval

30000
OK
the interval is 30000ms = 30s

AT+TDC=60000

Set Transmit Interval

OK
Set transmit interval to 60000ms
= 60 seconds

Downlink Command: 0x01

Format: Command Code (0x01) followed by 3 bytes time value.
If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to
0x00003C=60(S), while type code is 01.

➢ Example 1: Downlink Payload: 0100001E // Set Transmit Interval (TDC) = 30 seconds
➢ Example 2: Downlink Payload: 0100003C // Set Transmit Interval (TDC) = 60 seconds

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3.2 Set Interrupt Mode

Feature, Set Interrupt mode for GPIO_EXIT.

AT Command: AT+INTMOD

Command Example

Function

Response

AT+INTMOD=?

Show current interrupt mode

0
OK
the mode is 0 = No interruption

AT+INTMOD=2

Set Transmit Interval

0- (Disable Interrupt),
1- (Trigger by rising and falling

edge),

2- (Trigger by falling edge)
3- (Trigger by rising edge)

OK

Downlink Command: 0x06

Format: Command Code (0x06) followed by 3 bytes.
This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge
trigger), and the type code is 06.

➢ Example 1: Downlink Payload: 06000000 // Turn off interrupt mode
➢ Example 2: Downlink Payload: 06000003 // Set the interrupt mode to rising edge trigger

3.3 Get Firmware Version Info

Feature: use downlink to get firmware version.

Downlink Command: 0x26

Downlink Control Type

FPort

Type Code

Downlink payload size(bytes)

Get Firmware Version Info

Any

26

2

➢ Reply to the confirmation package: 26 01
➢ Reply to non-confirmed packet: 26 00

Device will send an uplink after got this downlink command. With below payload:

Configures info payload:

Size
(bytes)

1 1 1 2 1 4 1

Value

Software
Type

Frequency
Band

Sub-band

Firmware
Version

Sensor
Type

Reserve

Message
Type

Always 0x02

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Software Type: Always 0x03 for LDDS04

Frequency Band:

*0x01: EU868
*0x02: US915
*0x03: IN865
*0x04: AU915
*0x05: KZ865
*0x06: RU864
*0x07: AS923
*0x08: AS923-1
*0x09: AS923-2
*0xa0: AS923-3

Sub-Band: value 0x00 ~ 0x08

Firmware Version: 0x0100, Means: v1.0.0 version

Sensor Type:

0x01: LSE01
0x02: LDDS75
0x03: LDDS20
0x04: LLMS01
0x05: LSPH01
0x06: LSNPK01
0x07: LLDS12
0x08: LDDS04

4. Battery & how to replace

4.1 Battery Type

LDDS04 is equipped with a 8500mAH ER26500 Li-SOCI2 battery. The battery is un-rechargeable
battery with low discharge rate targeting for 8~10 years use. This type of battery is commonly
used in IoT target for long-term running, such as water meter.

The discharge curve is not linear so can’t simply use percentage to show the battery level. Below
is the battery performance.

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Minimum Working Voltage for the LDDS04:
LDDS04: 2.45v ~ 3.6v

4.2 Replace Battery

Any battery with range 2.45 ~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
And make sure the positive and negative pins match.

4.3 Power Consumption Analyze

Dragino Battery powered product are all runs in Low Power mode. We have an update battery
calculator which base on the measurement of the real device. User can use this calculator to
check the battery life and calculate the battery life if want to use different transmit interval.

Instruction to use as below:

Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:

https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/

Step 2: Open it and choose

➢ Product Model
➢ Uplink Interval
➢ Working Mode

And the Life expectation in difference case will be shown on the right.

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The battery related documents as below:

● Battery Dimension,

● Lithium-Thionyl Chloride Battery datasheet, Tech Spec

● Lithium-ion Battery-Capacitor datasheet, Tech Spec

4.3.1 Battery Note

The Li-SICO battery is designed for small current / long period application. It is not good to
use a high current, short period transmit method. The recommended minimum period for
use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the
battery life may be decreased.

4.3.2 Replace the battery

You can change the battery in the LDDS04.The type of battery is not limited as long as the
output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery
and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1

and shortcut the two pads of it so there won’t be voltage drop between battery and main

board.

The default battery pack of LDDS04 includes a ER26500 plus super capacitor. If user can’t
find this pack locally, they can find ER26500 or equivalence, which will also work in most
case. The SPC can enlarge the battery life for high frequency use (update period below 5
minutes)

JST-XH-2P
connector

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5. Use AT Command

5.1 Access AT Commands

LDDS04 supports AT Command set in the stock firmware. You can use a USB to TTL adapter
to connect to LDDS04 for using AT command, as below.

Connection:
USB TTL GND <----> GND
USB TTL TXD <----> UART_RXD
USB TTL RXD <----> UART_TXD

In the PC, you need to set the serial baud rate to 9600 to access the serial console for
LDDS04. LDDS04 will output system info once power on as below:

Valid AT Command please check Configure Device.

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6. FAQ

6.1 How to change the LoRa Frequency Bands/Region

You can follow the instructions for how to upgrade image.
When downloading the images, choose the required image file for download.

7. Trouble Shooting

7.1 AT Commands input doesn’t work

In the case if user can see the console output but can’t type input to the device. Please check
if you already include the ENTER while sending out the command. Some serial tool doesn’t
send ENTER while press the send key, user need to add ENTER in their string.

8. Order Info

8.1 Main Device LDDS04

Part Number: LDDS04-XX

XX: The default frequency band

● AS923: LoRaWAN AS923 band

● AU915: LoRaWAN AU915 band

● EU433: LoRaWAN EU433 band

● EU868: LoRaWAN EU868 band

● KR920: LoRaWAN KR920 band

● US915: LoRaWAN US915 band

● IN865: LoRaWAN IN865 band

● CN470: LoRaWAN CN470 band

8.2 Probe Model

Detail See Probe Option Section

➢ A01A-15
➢ A02-15
➢ A13-15
➢ A16-15

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9. Packing Info

Package Includes:

➢ LDDS04 LoRaWAN 4-Channels Distance Sensor x 1

Exclude probes.

Dimension and weight:

➢ Device Size: cm
➢ Device Weight: g
➢ Package Size / pcs : cm
➢ Weight / pcs : g

10. Support

● Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different

timezones we cannot offer live support. However, your questions will be answered as
soon as possible in the before-mentioned schedule.

● Provide as much information as possible regarding your enquiry (product models,

accurately describe your problem and steps to replicate it etc) and send a mail to

[e-mail]