Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01
Last modified by Mengting Qiu on 2023/12/14 11:15
From version 30.1
edited by Ellie Zhang
on 2023/05/06 14:39
on 2023/05/06 14:39
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To version 26.1
edited by Ellie Zhang
on 2023/05/06 14:35
on 2023/05/06 14:35
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... ... @@ -4,7 +4,7 @@ 4 4 5 5 6 6 7 -** 目录:**7 +**Table of Contents:** 8 8 9 9 {{toc/}} 10 10 ... ... @@ -13,17 +13,17 @@ 13 13 14 14 15 15 16 -= 一、简介=16 += 1. Introduction = 17 17 18 -== 1.1 什么是S31x-LB LoRaWAN温湿度传感器==18 +== 1.1 What is S31x-LB LoRaWAN Temperature & Humidity Sensor == 19 19 20 20 21 21 ((( 22 -Dragino S31x-LB 是 用于物联网解决方案的(% style="color:blue" %)**LoRaWAN温度和湿度传感器。**(%%)用于(% style="color:blue" %)**精确测量周围环境温度和相对空气湿度**(%%),然后通过LoRaWAN无线协议上传到物联网服务器。22 +The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol. 23 23 ))) 24 24 25 25 ((( 26 -S31x-LB 采用的温湿度传感器为SHT31,是Sensirion的全校准、线性化、温度补偿数字输出,具有很强的可靠性和长期稳定性。SHT31固定在(% style="color:blue" %)**防水防冷凝外壳**(%%)中,可长期使用。26 +The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use. 27 27 ))) 28 28 29 29 ((( ... ... @@ -65,6 +65,7 @@ 65 65 * Downlink to change configure 66 66 * 8500mAh Battery for long term use 67 67 68 + 68 68 == 1.3 Specification == 69 69 70 70 ... ... @@ -107,6 +107,7 @@ 107 107 * Sleep Mode: 5uA @ 3.3v 108 108 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 109 109 111 + 110 110 == 1.4 Sleep mode and working mode == 111 111 112 112 ... ... @@ -134,6 +134,7 @@ 134 134 ))) 135 135 |(% 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. 136 136 139 + 137 137 == 1.6 BLE connection == 138 138 139 139 ... ... @@ -203,7 +203,7 @@ 203 203 204 204 Each S31x-LB is shipped with a sticker with the default device EUI as below: 205 205 206 -[[image:image-20230426084152-1.png|| alt="图片-20230426084152-1.png"height="233" width="502"]]209 +[[image:image-20230426084152-1.png||height="233" width="502"]] 207 207 208 208 209 209 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot: ... ... @@ -216,18 +216,18 @@ 216 216 217 217 (% style="color:blue" %)**Add APP EUI and DEV EUI** 218 218 219 -[[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-20220611161308-4.png?width=753&height=551&rev=1.1||alt=" 图片-20220611161308-4.png"]]222 +[[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-20220611161308-4.png?width=753&height=551&rev=1.1||alt="image-20220611161308-4.png"]] 220 220 221 221 222 222 (% style="color:blue" %)**Add APP EUI in the application** 223 223 224 224 225 -[[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-20220611161308-5.png?width=742&height=601&rev=1.1||alt=" 图片-20220611161308-5.png"]]228 +[[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-20220611161308-5.png?width=742&height=601&rev=1.1||alt="image-20220611161308-5.png"]] 226 226 227 227 228 228 (% style="color:blue" %)**Add APP KEY** 229 229 230 -[[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"]]233 +[[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="image-20220611161308-6.png"]] 231 231 232 232 233 233 (% style="color:blue" %)**Step 2:**(%%) Activate on S31x-LB ... ... @@ -257,7 +257,7 @@ 257 257 258 258 Example parse in TTNv3 259 259 260 -[[image:image-20230421171614-1.png ||alt="图片-20230421171614-1.png"]]263 +[[image:image-20230421171614-1.png]] 261 261 262 262 263 263 (% style="color:#037691" %)**Sensor Model**(%%): For S31x-LB, this value is 0x0A ... ... @@ -401,7 +401,7 @@ 401 401 402 402 Below is the typical case for the auto-update datalog feature (Set PNACKMD=1) 403 403 404 -[[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt=" 图片-20220703111700-2.png" height="381" width="1119"]]407 +[[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="image-20220703111700-2.png" height="381" width="1119"]] 405 405 406 406 === 2.5.2 Unix TimeStamp === 407 407 ... ... @@ -408,13 +408,13 @@ 408 408 409 409 S31x-LB uses Unix TimeStamp format based on 410 410 411 -[[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"]]414 +[[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="image-20220523001219-11.png" height="97" width="627"]] 412 412 413 413 User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 414 414 415 415 Below is the converter example 416 416 417 -[[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-20220523001219-12.png?width=720&height=298&rev=1.1||alt=" 图片-20220523001219-12.png" height="298" width="720"]]420 +[[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-20220523001219-12.png?width=720&height=298&rev=1.1||alt="image-20220523001219-12.png" height="298" width="720"]] 418 418 419 419 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 420 420 ... ... @@ -446,7 +446,7 @@ 446 446 447 447 **Poll message flag & Ext:** 448 448 449 -[[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-20221006192726-1.png?width=754&height=112&rev=1.1||alt=" 图片-20221006192726-1.png" height="112" width="754"]]452 +[[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-20221006192726-1.png?width=754&height=112&rev=1.1||alt="image-20221006192726-1.png" height="112" width="754"]] 450 450 451 451 **No ACK Message**: 1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for **PNACKMD=1** feature) 452 452 ... ... @@ -484,7 +484,7 @@ 484 484 485 485 **S31x-LB will uplink this payload.** 486 486 487 -[[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-20220523001219-13.png?width=727&height=421&rev=1.1||alt=" 图片-20220523001219-13.png" height="421" width="727"]]490 +[[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-20220523001219-13.png?width=727&height=421&rev=1.1||alt="image-20220523001219-13.png" height="421" width="727"]] 488 488 489 489 ((( 490 490 __**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E ... ... @@ -519,7 +519,7 @@ 519 519 ))) 520 520 521 521 522 -(% aria-label=" 数据URI图像图像小部件" 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==||alt="数据 URI 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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==||alt="数据 URI 图片"data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据URI图像图像小部件" 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==||alt="数据 URI 图片"draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据URI图像图像小部件" 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="单击并拖动以调整大小" %)的525 +(% 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" %) 523 523 524 524 == 2.6 Temperature Alarm Feature == 525 525 ... ... @@ -527,7 +527,7 @@ 527 527 S31x-LB work flow with Alarm feature. 528 528 529 529 530 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt=" 图片-20220623090437-1.png"]]533 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt="image-20220623090437-1.png"]] 531 531 532 532 533 533 == 2.7 Frequency Plans == ... ... @@ -549,6 +549,7 @@ 549 549 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. 550 550 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 551 551 555 + 552 552 == 3.2 General Commands == 553 553 554 554 ... ... @@ -677,6 +677,7 @@ 677 677 678 678 * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message. 679 679 684 + 680 680 === 3.3.7 Set Interrupt Mode === 681 681 682 682 ... ... @@ -708,6 +708,7 @@ 708 708 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 709 709 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 710 710 716 + 711 711 = 4. Battery & Power Consumption = 712 712 713 713 ... ... @@ -726,61 +726,64 @@ 726 726 * Update with new features. 727 727 * Fix bugs. 728 728 729 - 固件和变更日志可以从以下位置下载:**[[固件下载链接>>https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]**735 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]** 730 730 731 731 732 - 更新固件的方法:738 +Methods to Update Firmware: 733 733 734 -* (推荐方式)无线OTA固件更新:[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]735 -* 通过UART TTL接口更新。**[[指令>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**。740 +* (Recommanded way) OTA firmware update via wireless: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]] 741 +* Update through UART TTL interface. **[[Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**. 736 736 737 -= 6. 常见问题 = 738 738 744 += 6. FAQ = 739 739 740 740 741 -= 7. 订单信息 = 742 742 748 += 7. Order Info = 743 743 744 -零件号:(% style="color:blue" %)**S31-LB-XX / S31B-LB-XX** 745 745 746 -(% style="color: red" %)**XX**(%%):默认频段751 +Part Number: (% style="color:blue" %)**S31-LB-XX / S31B-LB-XX** 747 747 748 - *(% style="color:red" %)**AS923**(%%)LoRaWANAS923频段753 +(% style="color:red" %)**XX**(%%): The default frequency band 749 749 750 -* (% style="color:red" %)**A U915**(%%)U915频段755 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 751 751 752 -* (% style="color:red" %)** EU433**(%%)EU433频段757 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 753 753 754 -* (% style="color:red" %)**EU 868**(%%)868频段759 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 755 755 756 -* (% style="color:red" %)** KR920**(%%)KR920频段761 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 757 757 758 -* (% style="color:red" %)** US915**(%%)US915频段763 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 759 759 760 -* (% style="color:red" %)** IN865**(%%)IN865频段765 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 761 761 762 -* (% style="color:red" %)** CN470**(%%)CN470频段767 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 763 763 764 -= 8.包装信息=769 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 765 765 766 766 767 - (% style="color:#037691"%)**套餐包括**:772 += 8. Packing Info = 768 768 769 -* S31x-LB LoRaWAN 温湿度传感器 770 770 771 -(% style="color:#037691" %)** 尺寸和重量**:775 +(% style="color:#037691" %)**Package Includes**: 772 772 773 -* 设备尺寸:cm777 +* S31x-LB LoRaWAN Temperature & Humidity Sensor 774 774 775 -* 设备重量:g779 +(% style="color:#037691" %)**Dimension and weight**: 776 776 777 -* 包装尺寸/个: cm781 +* Device Size: cm 778 778 779 -* 重量/个:克783 +* Device Weight: g 780 780 781 - =9.支持=785 +* Package Size / pcs : cm 782 782 787 +* Weight / pcs : g 783 783 784 -* 周一至周五的 09:00 至 18:00 GMT+8 提供支持。由于时区不同,我们无法提供现场支持。但是,您的问题将在上述时间表中尽快得到解答。 785 785 786 -* 提供尽可能多的关于您的询问的信息(产品型号、准确描述您的问题和复制它的步骤等)并发送邮件至 [[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]] 790 += 9. Support = 791 + 792 + 793 +* 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. 794 + 795 +* 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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