Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
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... ... @@ -17,19 +17,19 @@ 17 17 == 1.1 What is LoRaWAN Distance Detection Sensor == 18 18 19 19 20 -The Dragino DDS 45-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.20 +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. 21 21 22 22 It detects the distance(% style="color:blue" %)** between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server. 23 23 24 -The LoRa wireless technology used in DDS 45-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.24 +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. 25 25 26 -DDS 45-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.26 +DDS75-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use. 27 27 28 -DDS 45-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.28 +DDS75-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years. 29 29 30 -Each DDS 45-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.30 +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. 31 31 32 -[[image:image-2023061 3102459-3.png||height="476" width="855"]]32 +[[image:image-20230612170943-2.png||height="525" width="912"]] 33 33 34 34 35 35 == 1.2 Features == ... ... @@ -39,9 +39,8 @@ 39 39 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865 40 40 * Ultra-low power consumption 41 41 * Distance Detection by Ultrasonic technology 42 -* Flat object range 30mm -4500mm42 +* Flat object range 280mm - 7500mm 43 43 * Accuracy: ±(1cm+S*0.3%) (S: Distance) 44 -* Measure Angle: 60° 45 45 * Cable Length : 25cm 46 46 * Support Bluetooth v5.1 and LoRaWAN remote configure 47 47 * Support wireless OTA update firmware ... ... @@ -50,6 +50,7 @@ 50 50 * IP66 Waterproof Enclosure 51 51 * 8500mAh Battery for long term use 52 52 52 + 53 53 == 1.3 Specification == 54 54 55 55 ... ... @@ -78,6 +78,7 @@ 78 78 * Sleep Mode: 5uA @ 3.3v 79 79 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 80 80 81 + 81 81 == 1.4 Rated environmental conditions == 82 82 83 83 ... ... @@ -132,6 +132,7 @@ 132 132 * Sewer 133 133 * Bottom water level monitoring 134 134 136 + 135 135 == 1.7 Sleep mode and working mode == 136 136 137 137 ... ... @@ -159,10 +159,11 @@ 159 159 ))) 160 160 |(% 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. 161 161 164 + 162 162 == 1.9 BLE connection == 163 163 164 164 165 -DDS 45-LB support BLE remote configure.168 +DDS75-LB support BLE remote configure. 166 166 167 167 168 168 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: ... ... @@ -193,17 +193,22 @@ 193 193 194 194 (% style="color:blue" %)**Probe Mechanical:** 195 195 196 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS45%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654915562090-396.png?rev=1.1||alt="1654915562090-396.png"]] 197 197 200 +[[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-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]] 198 198 199 199 203 +[[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"]] 200 200 201 -= 2. Configure DDS45-LB to connect to LoRaWAN network = 202 202 206 +[[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"]] 207 + 208 + 209 += 2. Configure DDS75-LB to connect to LoRaWAN network = 210 + 203 203 == 2.1 How it works == 204 204 205 205 206 -The DDS 45-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.214 +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. 207 207 208 208 (% style="display:none" %) (%%) 209 209 ... ... @@ -214,12 +214,12 @@ 214 214 215 215 The LPS8v2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server. 216 216 217 -[[image:image-2023061 3102426-2.png||height="476" width="855"]](% style="display:none" %)225 +[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %) 218 218 219 219 220 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS 45-LB.228 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS75-LB. 221 221 222 -Each DDS 45-LB is shipped with a sticker with the default device EUI as below:230 +Each DDS75-LB is shipped with a sticker with the default device EUI as below: 223 223 224 224 [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]] 225 225 ... ... @@ -248,10 +248,10 @@ 248 248 [[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"]] 249 249 250 250 251 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS 45-LB259 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS75-LB 252 252 253 253 254 -Press the button for 5 seconds to activate the DDS 45-LB.262 +Press the button for 5 seconds to activate the DDS75-LB. 255 255 256 256 (% 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. 257 257 ... ... @@ -262,7 +262,7 @@ 262 262 263 263 264 264 ((( 265 -DDS 45-LB will uplink payload via LoRaWAN with below payload format:273 +DDS75-LB will uplink payload via LoRaWAN with below payload format: 266 266 ))) 267 267 268 268 ((( ... ... @@ -286,7 +286,7 @@ 286 286 === 2.3.1 Battery Info === 287 287 288 288 289 -Check the battery voltage for DDS 45-LB.297 +Check the battery voltage for DDS75-LB. 290 290 291 291 Ex1: 0x0B45 = 2885mV 292 292 ... ... @@ -297,22 +297,20 @@ 297 297 298 298 299 299 ((( 300 -Get the distance. Flat object range 30mm -4500mm.308 +Get the distance. Flat object range 280mm - 7500mm. 301 301 ))) 302 302 303 303 ((( 304 -For example, if the data you get from the register is **0x0B 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **312 +For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** ** 305 305 306 -(% style="color: blue" %)**0B05(H) = 2821 (D) = 2821 mm.**314 +(% style="color:#4472c4" %)**0B05(H) = 2821 (D) = 2821 mm.** 307 307 ))) 308 308 309 309 310 310 * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor. 311 -* If the sensor value lower than 0x0 01E(30mm), the sensor value will be 0x00.319 +* 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. 312 312 313 313 314 - 315 - 316 316 === 2.3.3 Interrupt Pin === 317 317 318 318 ... ... @@ -359,7 +359,7 @@ 359 359 The payload decoder function for TTN V3 is here: 360 360 361 361 ((( 362 -DDS 45-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]368 +DDS75-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 363 363 ))) 364 364 365 365 ... ... @@ -366,7 +366,7 @@ 366 366 == 2.4 Uplink Interval == 367 367 368 368 369 -The DDS 45-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"]]375 +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>>||anchor="H3.3.1SetTransmitIntervalTime"]] 370 370 371 371 372 372 == 2.5 Show Data in DataCake IoT Server == ... ... @@ -394,7 +394,7 @@ 394 394 395 395 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 396 396 397 -(% style="color:blue" %)**Step 4**(%%)**: Search the DDS 45-LB and add DevEUI.**403 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS75-LB and add DevEUI.** 398 398 399 399 [[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"]] 400 400 ... ... @@ -408,19 +408,19 @@ 408 408 == 2.6 Datalog Feature == 409 409 410 410 411 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS 45-LB will store the reading for future retrieving purposes.417 +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. 412 412 413 413 414 414 === 2.6.1 Ways to get datalog via LoRaWAN === 415 415 416 416 417 -Set PNACKMD=1, DDS 45-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.423 +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. 418 418 419 419 * ((( 420 -a) DDS 45-LB will do an ACK check for data records sending to make sure every data arrive server.426 +a) DDS75-LB will do an ACK check for data records sending to make sure every data arrive server. 421 421 ))) 422 422 * ((( 423 -b) DDS 45-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.429 +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. 424 424 ))) 425 425 426 426 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) ... ... @@ -431,7 +431,7 @@ 431 431 === 2.6.2 Unix TimeStamp === 432 432 433 433 434 -DDS 45-LB uses Unix TimeStamp format based on440 +DDS75-LB uses Unix TimeStamp format based on 435 435 436 436 [[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"]] 437 437 ... ... @@ -450,7 +450,7 @@ 450 450 451 451 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. 452 452 453 -Once DDS 45-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).459 +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). 454 454 455 455 (% 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.** 456 456 ... ... @@ -478,7 +478,7 @@ 478 478 ))) 479 479 480 480 ((( 481 -Uplink Internal =5s,means DDS 45-LB will send one packet every 5s. range 5~~255s.487 +Uplink Internal =5s,means DDS75-LB will send one packet every 5s. range 5~~255s. 482 482 ))) 483 483 484 484 ... ... @@ -485,17 +485,17 @@ 485 485 == 2.7 Frequency Plans == 486 486 487 487 488 -The DDS 45-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.494 +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. 489 489 490 490 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 491 491 492 492 493 -= 3. Configure DDS 45-LB =499 += 3. Configure DDS75-LB = 494 494 495 495 == 3.1 Configure Methods == 496 496 497 497 498 -DDS 45-LB supports below configure method:504 +DDS75-LB supports below configure method: 499 499 500 500 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 501 501 ... ... @@ -503,6 +503,7 @@ 503 503 504 504 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 505 505 512 + 506 506 == 3.2 General Commands == 507 507 508 508 ... ... @@ -517,10 +517,10 @@ 517 517 [[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/]] 518 518 519 519 520 -== 3.3 Commands special design for DDS 45-LB ==527 +== 3.3 Commands special design for DDS75-LB == 521 521 522 522 523 -These commands only valid for DDS 45-LB, as below:530 +These commands only valid for DDS75-LB, as below: 524 524 525 525 526 526 === 3.3.1 Set Transmit Interval Time === ... ... @@ -562,12 +562,12 @@ 562 562 Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 563 563 ))) 564 564 * ((( 565 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 566 -))) 572 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 567 567 568 568 575 + 576 +))) 569 569 570 - 571 571 === 3.3.2 Set Interrupt Mode === 572 572 573 573 ... ... @@ -603,12 +603,10 @@ 603 603 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 604 604 605 605 606 - 607 - 608 608 = 4. Battery & Power Consumption = 609 609 610 610 611 -DDS 45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.616 +DDS75-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 612 612 613 613 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 614 614 ... ... @@ -617,7 +617,7 @@ 617 617 618 618 619 619 (% class="wikigeneratedid" %) 620 -User can change firmware DDS 45-LB to:625 +User can change firmware DDS75-LB to: 621 621 622 622 * Change Frequency band/ region. 623 623 ... ... @@ -625,7 +625,7 @@ 625 625 626 626 * Fix bugs. 627 627 628 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/a5 ue0nfrzqy9nz6/AABbvlATosDJKDwBmbirVbMYa?dl=0]]**633 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/7la95mae0fn03xe/AACtzs-32m22TLb75B-iIr-Qa?dl=0]]** 629 629 630 630 Methods to Update Firmware: 631 631 ... ... @@ -634,21 +634,18 @@ 634 634 * 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]]**. 635 635 636 636 637 - 638 - 639 - 640 640 = 6. FAQ = 641 641 642 -== 6.1 What is the frequency plan for DDS 45-LB? ==644 +== 6.1 What is the frequency plan for DDS75-LB? == 643 643 644 644 645 -DDS 45-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"]]647 +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"]] 646 646 647 647 648 -== 6.2 Can I use DDS 45-LB in condensation environment? ==650 +== 6.2 Can I use DDS75-LB in condensation environment? == 649 649 650 650 651 -DDS 45-LB is not suitable to be used in condensation environment. Condensation on the DDS45-LB probe will affect the reading and always got 0.653 +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. 652 652 653 653 654 654 = 7. Trouble Shooting = ... ... @@ -699,7 +699,7 @@ 699 699 = 8. Order Info = 700 700 701 701 702 -Part Number: (% style="color:blue" %)**DDS 45-LB-XXX**704 +Part Number: (% style="color:blue" %)**DDS75-LB-XXX** 703 703 704 704 (% style="color:red" %)**XXX**(%%): **The default frequency band** 705 705 ... ... @@ -719,12 +719,13 @@ 719 719 720 720 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 721 721 724 + 722 722 = 9. Packing Info = 723 723 724 724 725 725 (% style="color:#037691" %)**Package Includes**: 726 726 727 -* DDS 45-LB LoRaWAN Distance Detection Sensor x 1730 +* DDS75-LB LoRaWAN Distance Detection Sensor x 1 728 728 729 729 (% style="color:#037691" %)**Dimension and weight**: 730 730 ... ... @@ -736,6 +736,7 @@ 736 736 737 737 * Weight / pcs : g 738 738 742 + 739 739 = 10. Support = 740 740 741 741
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