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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... ... @@ -1,8 +1,9 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-2023061 3100900-1.png||height="650" width="650"]]2 +[[image:image-20230612170349-1.png||height="656" width="656"]] 3 3 4 4 5 5 6 + 6 6 **Table of Contents:** 7 7 8 8 {{toc/}} ... ... @@ -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.21 +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.25 +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.27 +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.29 +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.31 +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"]]33 +[[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 -4500mm43 +* 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 ... ... @@ -51,7 +51,6 @@ 51 51 * 8500mAh Battery for long term use 52 52 53 53 54 - 55 55 == 1.3 Specification == 56 56 57 57 ... ... @@ -81,7 +81,6 @@ 81 81 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 82 82 83 83 84 - 85 85 == 1.4 Rated environmental conditions == 86 86 87 87 ... ... @@ -137,7 +137,6 @@ 137 137 * Bottom water level monitoring 138 138 139 139 140 - 141 141 == 1.7 Sleep mode and working mode == 142 142 143 143 ... ... @@ -166,11 +166,10 @@ 166 166 |(% 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. 167 167 168 168 169 - 170 170 == 1.9 BLE connection == 171 171 172 172 173 -DDS 45-LB support BLE remote configure.169 +DDS75-LB support BLE remote configure. 174 174 175 175 176 176 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: ... ... @@ -201,15 +201,22 @@ 201 201 202 202 (% style="color:blue" %)**Probe Mechanical:** 203 203 204 -[[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"]] 205 205 201 +[[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"]] 206 206 207 -= 2. Configure DDS45-LB to connect to LoRaWAN network = 208 208 204 +[[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"]] 205 + 206 + 207 +[[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"]] 208 + 209 + 210 += 2. Configure DDS75-LB to connect to LoRaWAN network = 211 + 209 209 == 2.1 How it works == 210 210 211 211 212 -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.215 +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. 213 213 214 214 (% style="display:none" %) (%%) 215 215 ... ... @@ -220,12 +220,12 @@ 220 220 221 221 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. 222 222 223 -[[image:image-2023061 3102426-2.png||height="476" width="855"]](% style="display:none" %)226 +[[image:image-20230612171032-3.png||height="492" width="855"]](% style="display:none" %) 224 224 225 225 226 -(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS 45-LB.229 +(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS75-LB. 227 227 228 -Each DDS 45-LB is shipped with a sticker with the default device EUI as below:231 +Each DDS75-LB is shipped with a sticker with the default device EUI as below: 229 229 230 230 [[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]] 231 231 ... ... @@ -254,10 +254,10 @@ 254 254 [[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"]] 255 255 256 256 257 -(% style="color:blue" %)**Step 2:**(%%) Activate on DDS 45-LB260 +(% style="color:blue" %)**Step 2:**(%%) Activate on DDS75-LB 258 258 259 259 260 -Press the button for 5 seconds to activate the DDS 45-LB.263 +Press the button for 5 seconds to activate the DDS75-LB. 261 261 262 262 (% 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. 263 263 ... ... @@ -268,7 +268,7 @@ 268 268 269 269 270 270 ((( 271 -DDS 45-LB will uplink payload via LoRaWAN with below payload format:274 +DDS75-LB will uplink payload via LoRaWAN with below payload format: 272 272 ))) 273 273 274 274 ((( ... ... @@ -292,7 +292,7 @@ 292 292 === 2.3.1 Battery Info === 293 293 294 294 295 -Check the battery voltage for DDS 45-LB.298 +Check the battery voltage for DDS75-LB. 296 296 297 297 Ex1: 0x0B45 = 2885mV 298 298 ... ... @@ -303,21 +303,20 @@ 303 303 304 304 305 305 ((( 306 -Get the distance. Flat object range 30mm -4500mm.309 +Get the distance. Flat object range 280mm - 7500mm. 307 307 ))) 308 308 309 309 ((( 310 -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" %)** **313 +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" %)** ** 311 311 312 -(% style="color: blue" %)**0B05(H) = 2821 (D) = 2821 mm.**315 +(% style="color:#4472c4" %)**0B05(H) = 2821 (D) = 2821 mm.** 313 313 ))) 314 314 315 315 316 316 * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor. 317 -* If the sensor value lower than 0x0 01E(30mm), the sensor value will be 0x00.320 +* 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. 318 318 319 319 320 - 321 321 === 2.3.3 Interrupt Pin === 322 322 323 323 ... ... @@ -364,7 +364,7 @@ 364 364 The payload decoder function for TTN V3 is here: 365 365 366 366 ((( 367 -DDS 45-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]369 +DDS75-LB TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 368 368 ))) 369 369 370 370 ... ... @@ -371,7 +371,7 @@ 371 371 == 2.4 Uplink Interval == 372 372 373 373 374 -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"]]376 +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"]] 375 375 376 376 377 377 == 2.5 Show Data in DataCake IoT Server == ... ... @@ -399,7 +399,7 @@ 399 399 400 400 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 401 401 402 -(% style="color:blue" %)**Step 4**(%%)**: Search the DDS 45-LB and add DevEUI.**404 +(% style="color:blue" %)**Step 4**(%%)**: Search the DDS75-LB and add DevEUI.** 403 403 404 404 [[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"]] 405 405 ... ... @@ -413,19 +413,19 @@ 413 413 == 2.6 Datalog Feature == 414 414 415 415 416 -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.418 +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. 417 417 418 418 419 419 === 2.6.1 Ways to get datalog via LoRaWAN === 420 420 421 421 422 -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.424 +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. 423 423 424 424 * ((( 425 -a) DDS 45-LB will do an ACK check for data records sending to make sure every data arrive server.427 +a) DDS75-LB will do an ACK check for data records sending to make sure every data arrive server. 426 426 ))) 427 427 * ((( 428 -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.430 +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. 429 429 ))) 430 430 431 431 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) ... ... @@ -436,7 +436,7 @@ 436 436 === 2.6.2 Unix TimeStamp === 437 437 438 438 439 -DDS 45-LB uses Unix TimeStamp format based on441 +DDS75-LB uses Unix TimeStamp format based on 440 440 441 441 [[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"]] 442 442 ... ... @@ -455,7 +455,7 @@ 455 455 456 456 User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command. 457 457 458 -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).460 +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). 459 459 460 460 (% 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.** 461 461 ... ... @@ -483,7 +483,7 @@ 483 483 ))) 484 484 485 485 ((( 486 -Uplink Internal =5s,means DDS 45-LB will send one packet every 5s. range 5~~255s.488 +Uplink Internal =5s,means DDS75-LB will send one packet every 5s. range 5~~255s. 487 487 ))) 488 488 489 489 ... ... @@ -490,17 +490,17 @@ 490 490 == 2.7 Frequency Plans == 491 491 492 492 493 -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.495 +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. 494 494 495 495 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]] 496 496 497 497 498 -= 3. Configure DDS 45-LB =500 += 3. Configure DDS75-LB = 499 499 500 500 == 3.1 Configure Methods == 501 501 502 502 503 -DDS 45-LB supports below configure method:505 +DDS75-LB supports below configure method: 504 504 505 505 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]. 506 506 ... ... @@ -509,7 +509,6 @@ 509 509 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 510 510 511 511 512 - 513 513 == 3.2 General Commands == 514 514 515 515 ... ... @@ -524,10 +524,10 @@ 524 524 [[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/]] 525 525 526 526 527 -== 3.3 Commands special design for DDS 45-LB ==528 +== 3.3 Commands special design for DDS75-LB == 528 528 529 529 530 -These commands only valid for DDS 45-LB, as below:531 +These commands only valid for DDS75-LB, as below: 531 531 532 532 533 533 === 3.3.1 Set Transmit Interval Time === ... ... @@ -569,10 +569,11 @@ 569 569 Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 570 570 ))) 571 571 * ((( 572 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 573 -))) 573 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 574 574 575 575 576 + 577 +))) 576 576 577 577 === 3.3.2 Set Interrupt Mode === 578 578 ... ... @@ -609,11 +609,10 @@ 609 609 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 610 610 611 611 612 - 613 613 = 4. Battery & Power Consumption = 614 614 615 615 616 -DDS 45-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.617 +DDS75-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 617 617 618 618 [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 619 619 ... ... @@ -622,7 +622,7 @@ 622 622 623 623 624 624 (% class="wikigeneratedid" %) 625 -User can change firmware DDS 45-LB to:626 +User can change firmware DDS75-LB to: 626 626 627 627 * Change Frequency band/ region. 628 628 ... ... @@ -630,7 +630,7 @@ 630 630 631 631 * Fix bugs. 632 632 633 -Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/a5 ue0nfrzqy9nz6/AABbvlATosDJKDwBmbirVbMYa?dl=0]]**634 +Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/7la95mae0fn03xe/AACtzs-32m22TLb75B-iIr-Qa?dl=0]]** 634 634 635 635 Methods to Update Firmware: 636 636 ... ... @@ -639,19 +639,18 @@ 639 639 * 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]]**. 640 640 641 641 642 - 643 643 = 6. FAQ = 644 644 645 -== 6.1 What is the frequency plan for DDS 45-LB? ==645 +== 6.1 What is the frequency plan for DDS75-LB? == 646 646 647 647 648 -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"]]648 +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"]] 649 649 650 650 651 -== 6.2 Can I use DDS 45-LB in condensation environment? ==651 +== 6.2 Can I use DDS75-LB in condensation environment? == 652 652 653 653 654 -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 0.654 +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. 655 655 656 656 657 657 = 7. Trouble Shooting = ... ... @@ -702,7 +702,7 @@ 702 702 = 8. Order Info = 703 703 704 704 705 -Part Number: (% style="color:blue" %)**DDS 45-LB-XXX**705 +Part Number: (% style="color:blue" %)**DDS75-LB-XXX** 706 706 707 707 (% style="color:red" %)**XXX**(%%): **The default frequency band** 708 708 ... ... @@ -723,13 +723,12 @@ 723 723 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 724 724 725 725 726 - 727 727 = 9. Packing Info = 728 728 729 729 730 730 (% style="color:#037691" %)**Package Includes**: 731 731 732 -* DDS 45-LB LoRaWAN Distance Detection Sensor x 1731 +* DDS75-LB LoRaWAN Distance Detection Sensor x 1 733 733 734 734 (% style="color:#037691" %)**Dimension and weight**: 735 735 ... ... @@ -742,7 +742,6 @@ 742 742 * Weight / pcs : g 743 743 744 744 745 - 746 746 = 10. Support = 747 747 748 748
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