Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

Last modified by Mengting Qiu on 2023/12/14 11:15

From 70.19 to 70.20 From 71.4 to 72.1

From version 70.20

edited by Xiaoling
on 2023/06/13 09:03

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To version 71.4

edited by Xiaoling
on 2023/06/13 10:23

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Title

@@ -1,1 +1,1 @@
--DDS75-LB -- LoRaWAN Distance Detection Sensor User Manual
++DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual

Content

@@ -1,9 +1,8 @@
  (% style="text-align:center" %)
--[[image:image-20230612170349-1.png||height="656" width="656"]]
++[[image:image-20230613100900-1.png||height="683" width="683"]]
--
  **Table of Contents：**
  {{toc/}}
@@ -18,17 +18,17 @@
  == 1.1 What is LoRaWAN Distance Detection Sensor ==
--The Dragino DDS75-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS75-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
++The Dragino DDS45-LB is a (% style="color:blue" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:blue" %)** ultrasonic sensing technology**(%%) for (% style="color:blue" %)**distance measurement**(%%), and (% style="color:blue" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The DDS45-LB can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
  It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
--The LoRa wireless technology used in DDS75-LB 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.
++The LoRa wireless technology used in DDS45-LB 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.
--DDS75-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
++DDS45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
--DDS75-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
++DDS45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
--Each DDS75-LB 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.
++Each DDS45-LB 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.
  [[image:image-20230612170943-2.png||height="525" width="912"]]
@@ -50,11 +50,39 @@
  * IP66 Waterproof Enclosure
  * 8500mAh Battery for long term use
++
  == 1.3 Specification ==
--(% style="color:#037691" %)**Rated environmental conditions:**
++(% style="color:#037691" %)**Common DC Characteristics:**
++* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
++* Operating Temperature: -40 ~~ 85°C
++
++(% style="color:#037691" %)**LoRa Spec:**
++
++* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
++* Max +22 dBm constant RF output vs.
++* RX sensitivity: down to -139 dBm.
++* Excellent blocking immunity
++
++(% style="color:#037691" %)**Battery:**
++
++* Li/SOCI2 un-chargeable battery
++* Capacity: 8500mAh
++* Self-Discharge: <1% / Year @ 25°C
++* Max continuously current: 130mA
++* Max boost current: 2A, 1 second
++
++(% style="color:#037691" %)**Power Consumption**
++
++* Sleep Mode: 5uA @ 3.3v
++* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
++
++
++== 1.4 Rated environmental conditions ==
++
++
  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
  |(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
  **Minimum value**
@@ -80,34 +80,9 @@
  )))
--(% style="color:#037691" %)**Common DC Characteristics:**
++== 1.5 Effective measurement range Reference beam pattern ==
--* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
--* Operating Temperature: -40 ~~ 85°C
--(% style="color:#037691" %)**LoRa Spec:**
--
--* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
--* Max +22 dBm constant RF output vs.
--* RX sensitivity: down to -139 dBm.
--* Excellent blocking immunity
--
--(% style="color:#037691" %)**Battery:**
--
--* Li/SOCI2 un-chargeable battery
--* Capacity: 8500mAh
--* Self-Discharge: <1% / Year @ 25°C
--* Max continuously current: 130mA
--* Max boost current: 2A, 1 second
--
--(% style="color:#037691" %)**Power Consumption**
--
--* Sleep Mode: 5uA @ 3.3v
--* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
--
--== 1.4 Effective measurement range Reference beam pattern ==
--
--
  (% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
@@ -118,7 +118,7 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]]
--== 1.5 Applications ==
++== 1.6 Applications ==
  * Horizontal distance measurement
@@ -131,15 +131,16 @@
  * Sewer
  * Bottom water level monitoring
--== 1.6 Sleep mode and working mode ==
++== 1.7 Sleep mode and working mode ==
++
  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
--== 1.7 Button & LEDs ==
++== 1.8 Button & LEDs ==
  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
@@ -158,12 +158,13 @@
  )))
  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
--== 1.8 BLE connection ==
++== 1.9 BLE connection ==
--DDS75-LB support BLE remote configure.
++DDS45-LB support BLE remote configure.
++
  BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
  * Press button to send an uplink
@@ -173,16 +173,14 @@
  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
--== 1.9 Pin Definitions ==
++== 1.10 Pin Definitions ==
  [[image:image-20230523174230-1.png]]
++== 1.11 Mechanical ==
--== 2.10 Mechanical ==
--
--
  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
@@ -204,12 +204,12 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
--= 2. Configure DDS75-LB to connect to LoRaWAN network =
++= 2. Configure DDS45-LB to connect to LoRaWAN network =
  == 2.1 How it works ==
--The DDS75-LB is configured as (% style="color:#037691" %)**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 press the button to activate the DDS75-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
++The DDS45-LB is configured as (% style="color:#037691" %)**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 press the button to activate the DDS45-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
  (% style="display:none" %) (%%)
@@ -223,9 +223,9 @@
  [[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %)
--(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS75-LB.
++(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS45-LB.
--Each DDS75-LB is shipped with a sticker with the default device EUI as below:
++Each DDS45-LB is shipped with a sticker with the default device EUI as below:
  [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
@@ -254,10 +254,10 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
--(% style="color:blue" %)**Step 2:**(%%) Activate on DDS75-LB
++(% style="color:blue" %)**Step 2:**(%%) Activate on DDS45-LB
--Press the button for 5 seconds to activate the DDS75-LB.
++Press the button for 5 seconds to activate the DDS45-LB.
  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
@@ -268,16 +268,13 @@
  (((
--DDS75-LB will uplink payload via LoRaWAN with below payload format:
++DDS45-LB will uplink payload via LoRaWAN with below payload format:
  )))
  (((
--Uplink payload includes in total 4 bytes.
--Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
++Uplink payload includes in total 8 bytes.
  )))
--
--
  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
  |=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
  **Size(bytes)**
@@ -295,7 +295,7 @@
  === 2.3.1  Battery Info ===
--Check the battery voltage for DDS75-LB.
++Check the battery voltage for DDS45-LB.
  Ex1: 0x0B45 = 2885mV
@@ -317,13 +317,13 @@
  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
--* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
++* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. All value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
  === 2.3.3  Interrupt Pin ===
--This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
++This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
  **Example:**
@@ -343,9 +343,7 @@
  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--(% style="color:red" %)**Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.**
--
  === 2.3.5  Sensor Flag ===
@@ -368,7 +368,7 @@
  The payload decoder function for TTN V3 is here:
  (((
--DDS75-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
++DDS45-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
  )))
@@ -375,7 +375,7 @@
  == 2.4  Uplink Interval ==
--The DDS75-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
++The DDS45-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
  == 2.5  Show Data in DataCake IoT Server ==
@@ -385,9 +385,6 @@
  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
  )))
--(((
--
--)))
  (((
  (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
@@ -406,7 +406,7 @@
  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
--(% style="color:blue" %)**Step 4**(%%)**: Search the DDS75-LB and add DevEUI.**
++(% style="color:blue" %)**Step 4**(%%)**: Search the DDS45-LB and add DevEUI.**
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
@@ -420,19 +420,19 @@
  == 2.6 Datalog Feature ==
--Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS75-LB will store the reading for future retrieving purposes.
++Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS45-LB will store the reading for future retrieving purposes.
  === 2.6.1 Ways to get datalog via LoRaWAN ===
--Set PNACKMD=1, DDS75-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS75-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
++Set PNACKMD=1, DDS45-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS45-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
  * (((
--a) DDS75-LB will do an ACK check for data records sending to make sure every data arrive server.
++a) DDS45-LB will do an ACK check for data records sending to make sure every data arrive server.
  )))
  * (((
--b) DDS75-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS75-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS75-LB gets a ACK, DDS75-LB will consider there is a network connection and resend all NONE-ACK messages.
++b) DDS45-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS45-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if DDS45-LB gets a ACK, DDS45-LB will consider there is a network connection and resend all NONE-ACK messages.
  )))
  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
@@ -443,7 +443,7 @@
  === 2.6.2 Unix TimeStamp ===
--DDS75-LB uses Unix TimeStamp format based on
++DDS45-LB uses Unix TimeStamp format based on
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
@@ -462,7 +462,7 @@
  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
--Once DDS75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS75-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
++Once DDS45-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS45-LB. If DDS45-LB fails to get the time from the server, DDS45-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
@@ -490,7 +490,7 @@
  )))
  (((
--Uplink Internal =5s，means DDS75-LB will send one packet every 5s. range 5~~255s.
++Uplink Internal =5s，means DDS45-LB will send one packet every 5s. range 5~~255s.
  )))
@@ -497,17 +497,17 @@
  == 2.7 Frequency Plans ==
--The DDS75-LB 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.
++The DDS45-LB 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.
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
--= 3. Configure DDS75-LB =
++= 3. Configure DDS45-LB =
  == 3.1 Configure Methods ==
--DDS75-LB supports below configure method:
++DDS45-LB supports below configure method:
  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
@@ -515,6 +515,7 @@
  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
++
  == 3.2 General Commands ==
@@ -529,10 +529,10 @@
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
--== 3.3 Commands special design for DDS75-LB ==
++== 3.3 Commands special design for DDS45-LB ==
--These commands only valid for DDS75-LB, as below:
++These commands only valid for DDS45-LB, as below:
  === 3.3.1 Set Transmit Interval Time ===
@@ -575,6 +575,9 @@
  )))
  * (((
  Example 2: Downlink Payload: 0100003C      ~/~/ Set Transmit Interval (TDC) = 60 seconds
++
++
++
  )))
  === 3.3.2 Set Interrupt Mode ===
@@ -611,10 +611,11 @@
  * Example 2: Downlink Payload: 06000003      ~/~/   Set the interrupt mode to rising edge trigger
++
  = 4. Battery & Power Consumption =
--DDS75-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
++DDS45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
@@ -623,7 +623,7 @@
  (% class="wikigeneratedid" %)
--User can change firmware DDS75-LB to:
++User can change firmware DDS45-LB to:
  * Change Frequency band/ region.
@@ -639,21 +639,21 @@
  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
++
  = 6. FAQ =
++== 6.1  What is the frequency plan for DDS45-LB? ==
--== 6.1  What is the frequency plan for DDS75-LB? ==
++DDS45-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
--DDS75-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
++== 6.2  Can I use DDS45-LB in condensation environment? ==
--== 6.2  Can I use DDS75-LB in condensation environment? ==
++DDS45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0.
--DDS75-LB is not suitable to be used in condensation environment. Condensation on the DDS75-LB probe will affect the reading and always got 0.
--
  = 7.  Trouble Shooting =
  == 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
@@ -702,7 +702,7 @@
  = 8. Order Info =
--Part Number: (% style="color:blue" %)**DDS75-LB-XXX**
++Part Number: (% style="color:blue" %)**DDS45-LB-XXX**
  (% style="color:red" %)**XXX**(%%): **The default frequency band**
@@ -728,7 +728,7 @@
  (% style="color:#037691" %)**Package Includes**:
--* DDS75-LB LoRaWAN Distance Detection Sensor x 1
++* DDS45-LB LoRaWAN Distance Detection Sensor x 1
  (% style="color:#037691" %)**Dimension and weight**:

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	1	+XWiki.Xiaoling

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