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Last modified by Mengting Qiu on 2025/06/04 10:46
From version 266.1
edited by Xiaoling
on 2022/06/23 11:33
Change comment: Uploaded new attachment "image-20220623113318-1.jpeg", version {1}
To version 263.1
edited by Xiaoling
on 2022/06/23 10:00
Change comment: Uploaded new attachment "image-20220623100044-7.png", version {1}

Summary

Details

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Content
... ... @@ -7,9 +7,7 @@
7 7  [[image:1655887486036-943.png||height="322" width="322"]]
8 8  
9 9  
10 -(((
11 11   [[image:1655887552639-376.png]] [[image:1655887744989-319.png]]
12 -)))
13 13  
14 14  
15 15  
... ... @@ -20,8 +20,6 @@
20 20  
21 21  **Table of Contents:**
22 22  
23 -{{toc/}}
24 -
25 25  (% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
26 26  (((
27 27  (% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
... ... @@ -40,29 +40,17 @@
40 40  == 1.1 ​ What is LSN50V2-D2x LoRaWAN Temperature Sensor ==
41 41  
42 42  
43 -(((
44 44  The Dragino LSN50v2-D2x is a (% style="color:#4472c4" %)**LoRaWAN Temperature Sensor**(%%) for Internet of Things solution. It can be used to measure the (% style="color:#4472c4" %)**temperature of air, liquid or object**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
45 -)))
46 46  
47 -(((
48 48  The temperature sensor used in LSN50v2-D2x can (% style="color:#4472c4" %)**measure -55°C ~~ 125°C with accuracy ±0.5°C (max ±2.0 °C)**.
49 -)))
50 50  
51 -(((
52 52  LSN50v2-D2x supports (% style="color:#4472c4" %)**temperature alarm feature,**(%%) user can set temperature alarm for instant notice.
53 -)))
54 54  
55 -(((
56 56  LSN50v2-D2x has max 3 probes which measure maximum 3 temperature points.
57 -)))
58 58  
59 -(((
60 60  LSN50v2-D2x is powered by (% style="color:#4472c4" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 10 years. (Actually Battery life depends on the use environment, update period. Please check related Power Analyze report).
61 -)))
62 62  
63 -(((
64 64  Each LSN50v2-D2x is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on.
65 -)))
66 66  
67 67  
68 68  [[image:1655889313568-879.png]]
... ... @@ -71,7 +71,6 @@
71 71  
72 72  == 1.2  Specifications ==
73 73  
74 -
75 75  (% style="color:#037691" %)**Common DC Characteristics:**
76 76  
77 77  * Supply Voltage: built in 8500mAh Li-SOCI2 battery
... ... @@ -101,7 +101,6 @@
101 101  * Sleeping Mode: 20uA
102 102  * LoRaWAN Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
103 103  
104 -
105 105  == ​1.3  Features ==
106 106  
107 107  * LoRaWAN v1.0.3 Class A
... ... @@ -160,7 +160,6 @@
160 160  Cable Drawing: [[See This Link>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Cable_Drawing/&file=CAB0-35IC-K31G-210811.pdf]]
161 161  )))
162 162  
163 -
164 164  == 1.6  Pin Definitions and Switch ==
165 165  
166 166  (% class="wikigeneratedid" %)
... ... @@ -196,7 +196,6 @@
196 196  1. When boot the device in flash mode
197 197  1. Send an uplink packet
198 198  
199 -
200 200  == 1.7  Hardware Change log ==
201 201  
202 202  LSN50v2-D20 v1.0:  Release.
... ... @@ -218,7 +218,7 @@
218 218  (((
219 219  Here is an example for how to join the [[TTN LoRaWAN >>url:http://www.thethingsnetwork.org/]]Server. Below is the network structure, in this demo we use [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] as LoRaWAN gateway.
220 220  
221 -(% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:1655891470063-521.png]](% title="Click and drag to resize" %)​[[image:1655952600869-544.png]]
201 +(% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:1655891470063-521.png]](% title="Click and drag to resize" %)​
222 222  )))
223 223  
224 224  (% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)​(%%)​
... ... @@ -296,22 +296,22 @@
296 296  )))
297 297  
298 298  
299 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:500px" %)
279 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:709px" %)
300 300  |=(% style="width: 62.5px;" %)(((
301 301  **Size (bytes)**
302 -)))|=(% style="width: 60px;" %)2|=(% style="width: 120px;" %)2|=(% style="width: 60px;" %)2|=(% style="width: 65px;" %)1|=(% style="width: 65px;" %)**2**|=(% style="width: 65px;" %)2
303 -|(% style="width:65px" %)**Value**|(((
304 -[[Battery>>||anchor="HBattery:"]]
305 -)))|(% style="width:91px" %)(((
306 -[[Temp_ Red or Temp _White>>||anchor="HTemperatureREDorTemperatureWhite:"]]
307 -)))|(% style="width:61px" %)(((
282 +)))|=(% style="width: 62.5px;" %)2|=(% style="width: 200px;" %)2|=(% style="width: 82px;" %)2|=(% style="width: 91px;" %)1|=(% style="width: 102px;" %)**2**|=(% style="width: 95px;" %)2
283 +|(% style="width:62.5px" %)**Value**|(((
284 +[[Battery>>||anchor="H2.4.1A0BatteryInfo"]][[ >>||anchor="H2.4.2A0InterruptPin"]]
285 +)))|(% style="width:200px" %)(((
286 +[[Temp_ Red or Temp _White>>||anchor="H2.4.3A0Distance"]]
287 +)))|(% style="width:82px" %)(((
308 308  ignore
309 309  )))|(% style="width:91px" %)(((
310 -[[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
311 -)))|(% style="width:99px" %)(((
312 -[[Temp_White>>||anchor="HTemperatureWhite:"]]
313 -)))|(% style="width:97px" %)(((
314 -[[Temp_Black>>||anchor="HTemperatureBlack:"]]
290 +[[Alarm Flag>>||anchor="H2.4.3A0Distance"]]
291 +)))|(% style="width:102px" %)(((
292 +[[Temp_White>>||anchor="H2.4.3A0Distance"]]
293 +)))|(% style="width:95px" %)(((
294 +[[Temp_Black>>||anchor="H2.4.4A0MessageType"]]
315 315  )))
316 316  
317 317  [[image:image-20220622180351-1.png||height="589" width="1096"]]
... ... @@ -372,9 +372,20 @@
372 372  
373 373  If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
374 374  
375 -If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[~>url:http:~~/~~/www.dragino.com/downloads/index.php?dir" data-cke-saved-href="#HPolltheAlarmsettings:" href="#HPolltheAlarmsettings:"~>this link>>||anchor="HPolltheAlarmsettings:" aria-label="Data URI image image widget" contenteditable="false" role="presentation" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1"]]
355 +If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#Poll_Alarm]] for detail.
376 376  
357 +(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
377 377  
359 +
360 +=== 2.3.2  Decode payload in The Things Network ===
361 +
362 +In TTN, use can add a custom payload so it shows friendly. 
363 +
364 +In the page Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder to add the decoder from:
365 +
366 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Decoder/]]
367 +
368 +
378 378  (% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)​
379 379  
380 380  == 2.4  Temperature Alarm Feature ==
... ... @@ -400,7 +400,7 @@
400 400  LSN50V2-D20 supports configuration via LoRaWAN downlink command or AT Commands.
401 401  
402 402  * Downlink command instructions for different platform: [[Use Note for Server>>doc:Main.WebHome]](IoT LoRaWAN Server)
403 -* AT Command Access Instructions: [[LINK>>||anchor="H4.A0UseATCommand"]]
394 +* AT Command Access Instructions: [[LINK>>path:#AT_Command]]
404 404  
405 405  There are two parts of commands: General one and Special for this model.
406 406  
... ... @@ -419,6 +419,7 @@
419 419  
420 420  === 2.5.2 Sensor related commands ===
421 421  
413 +(% class="wikigeneratedid" %)
422 422  ==== ====
423 423  
424 424  ==== (% style="color:red" %)**Set Alarm Threshold:**(%%) ====
... ... @@ -431,6 +431,7 @@
431 431  * When min≠0, and max=0, Alarm trigger when lower than min
432 432  * When min≠0 and max≠0, Alarm trigger when higher than max or lower than min
433 433  
426 +
434 434  **Example:**
435 435  
436 436   AT+18ALARM=-10,30  ~/~/ Alarm when < -10 or higher than 30.
... ... @@ -453,6 +453,7 @@
453 453  * 2: Temperature_White
454 454  * 3: Temperature_Black
455 455  
449 +
456 456  **Example:**
457 457  
458 458   AT+18ALARM=-10,30,1   ~/~/ Alarm when temperature_red < -10 or higher than 30.
... ... @@ -500,7 +500,6 @@
500 500  
501 501  
502 502  
503 -
504 504  == 2.6  LED Status ==
505 505  
506 506  LSN50-v2-D20 has an internal LED, it will active in below situation:
... ... @@ -548,7 +548,7 @@
548 548  
549 549  
550 550  
551 -== 3.2  Replace Battery ==
544 +== 4.2  Replace Battery ==
552 552  
553 553  (((
554 554  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
... ... @@ -560,7 +560,7 @@
560 560  
561 561  
562 562  
563 -== 3.3  Power Consumption Analyze ==
556 +== 4.3  Power Consumption Analyze ==
564 564  
565 565  (((
566 566  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.
... ... @@ -605,7 +605,7 @@
605 605  
606 606  
607 607  
608 -=== 3.3.1  ​Battery Note ===
601 +=== 4.3.1  ​Battery Note ===
609 609  
610 610  (((
611 611  (((
... ... @@ -615,7 +615,7 @@
615 615  
616 616  
617 617  
618 -=== ​3.3.2  Replace the battery ===
611 +=== ​4.3.2  Replace the battery ===
619 619  
620 620  (((
621 621  (((
... ... @@ -631,75 +631,70 @@
631 631  )))
632 632  
633 633  
634 -= 4.  Use AT Command =
627 += 5.  Use AT Command =
635 635  
636 -== 4.1  Access AT Commands ==
629 +== 5.1  Access AT Commands ==
637 637  
638 -User can use a USB to TTL adapter to connect to LSN50V2-D20 to use AT command to configure the device. Example is as below:
631 +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.
639 639  
633 +(% aria-label="1654940081538-914.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654940081538-914.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
640 640  
641 -[[image:image-20220623095817-4.png||height="665" width="1032"]]
642 642  
643 -(% style="display:none" %) (%%)
636 +**Connection:**
644 644  
645 -[[image:image-20220623100044-7.png]]
638 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
646 646  
640 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
647 647  
648 -(% style="display:none" %) (%%)
642 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
649 649  
650 -= 5.  FAQ =
651 651  
652 -== 5.1 What is the frequency range of LSN50v2-D20? ==
645 +(((
646 +(((
647 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS04.
648 +)))
653 653  
654 -Different LSN50V2-D20 version supports different frequency range, below is the table for the working frequency and recommend bands for each model:
650 +(((
651 +LDDS04 will output system info once power on as below:
652 +)))
653 +)))
655 655  
656 -[[image:image-20220623100350-8.png]]
657 657  
656 + (% aria-label="1654593712276-618.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593712276-618.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
658 658  
659 -== 5.2 What is the Frequency Plan? ==
658 +Valid AT Command please check [[Configure Device>>||anchor="H3.A0ConfigureLDDS04viaATCommandorLoRaWANDownlink"]].
660 660  
661 -Please refer Dragino End Node Frequency Plan:  [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]]
662 662  
663 663  
662 += 6.  FAQ =
664 664  
665 -== 5.3 How to update the firmware? ==
664 +== 6.1  How to change the LoRa Frequency Bands/Region ==
666 666  
667 -User can upgrade the firmware for:
666 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.9A0200BFirmwareChangeLog"]].
667 +When downloading the images, choose the required image file for download. ​
668 668  
669 -* (((
670 -Support new features
671 -)))
672 -* (((
673 -For bug fix
674 -)))
675 -* (((
676 -Change LoRaWAN bands.
677 -)))
678 678  
679 -Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
680 680  
671 += 7.  Trouble Shooting =
681 681  
673 +== 7.1  AT Command input doesn't work ==
682 682  
683 -= 6.  Trouble Shooting =
684 -
685 -== 6.1  AT Command input doesn't work ==
686 -
687 687  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 (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
688 688  
677 +(((
678 +
679 +)))
689 689  
690 690  
691 -= 7.  Order Info =
682 += 8.  Order Info =
692 692  
684 +== 8.1  Main Device LDDS04 ==
693 693  
694 -**Part Number:** (% style="color:blue" %)**LSN50V2-D20-XXX (Signal Probe)**
686 +Part Number **:** (% style="color:blue" %)**LDDS04-XX**
695 695  
696 -**~ Or (% style="color:blue" %)LSN50V2-D22-XXX (Dual Probe)(%%)**
697 697  
698 -**~ Or (% style="color:blue" %)LSN50V2-D23-XXX (Triple Probe)(%%)**
689 +(% style="color:blue" %)**XX**(%%)**: **The default frequency band
699 699  
700 -
701 -(% style="color:blue" %)**XXX**(%%)**: **The default frequency band
702 -
703 703  * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
704 704  * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
705 705  * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
... ... @@ -709,13 +709,21 @@
709 709  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
710 710  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
711 711  
700 +== 8.2  Probe Model ==
712 712  
713 -= 8. ​ Packing Info =
702 +Detail See [[Probe Option>>path:#Probe_Option]] Section
714 714  
704 +* A01A-15
705 +* A02-15
706 +* A13-15
707 +* A16-15
715 715  
709 += 9. ​ Packing Info =
710 +
711 +
716 716  **Package Includes**:
717 717  
718 -* LSN50v2-D2x LoRaWAN Temperature Sensor x 1
714 +* LDDS04 LoRaWAN 4-Channels Distance Sensor x 1
719 719  
720 720  **Dimension and weight**:
721 721  
... ... @@ -724,8 +724,7 @@
724 724  * Package Size / pcs : cm
725 725  * Weight / pcs : g
726 726  
723 += 10.  ​Support =
727 727  
728 -= 9.  ​Support =
729 -
730 730  * 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.
731 731  * 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 [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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