Changes for page LSE01-LoRaWAN Soil Moisture & EC Sensor User Manual
Last modified by Bei Jinggeng on 2024/08/02 16:47
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... ... @@ -22,11 +22,11 @@ 22 22 23 23 = 1. Introduction = 24 24 25 + 25 25 == 1.1 What is LoRaWAN Soil Moisture & EC Sensor == 26 26 27 -((( 28 - 29 29 29 +((( 30 30 The Dragino LSE01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil Moisture & EC Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type. 31 31 ))) 32 32 ... ... @@ -56,6 +56,7 @@ 56 56 57 57 == 1.2 Features == 58 58 59 + 59 59 * LoRaWAN 1.0.3 Class A 60 60 * Ultra low power consumption 61 61 * Monitor Soil Moisture ... ... @@ -68,10 +68,9 @@ 68 68 * IP66 Waterproof Enclosure 69 69 * 4000mAh or 8500mAh Battery for long term use 70 70 71 - 72 - 73 73 == 1.3 Specification == 74 74 74 + 75 75 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. 76 76 77 77 [[image:image-20220606162220-5.png]] ... ... @@ -78,16 +78,30 @@ 78 78 79 79 80 80 81 -== 1.4Applications==81 +== 1.4 Dimension == 82 82 83 -* Smart Agriculture 84 84 85 -(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %) 86 - 84 +**Main Device Dimension:** 87 87 88 - ==1.5FirmwareChangelog==86 +See LSN50v2 from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Mechanical_Drawing/ >>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Mechanical_Drawing/]] 89 89 88 +[[image:image-20221008140228-2.png||height="358" width="571"]] 90 90 90 + 91 +**Probe Dimension** 92 + 93 +[[image:image-20221008135912-1.png]] 94 + 95 + 96 + 97 +== 1.5 Applications == 98 + 99 + 100 +* Smart Agriculture 101 + 102 +== 1.6 Firmware Change log == 103 + 104 + 91 91 **LSE01 v1.0 :** Release 92 92 93 93 ... ... @@ -94,14 +94,16 @@ 94 94 95 95 = 2. Configure LSE01 to connect to LoRaWAN network = 96 96 111 + 97 97 == 2.1 How it works == 98 98 114 + 99 99 ((( 100 100 The LSE01 is configured as 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 power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value 101 101 ))) 102 102 103 103 ((( 104 -In case you can ’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.200BUsingtheATCommands"]].120 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.200BUsingtheATCommands"]]. 105 105 ))) 106 106 107 107 ... ... @@ -108,6 +108,7 @@ 108 108 109 109 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == 110 110 127 + 111 111 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example. 112 112 113 113 ... ... @@ -123,6 +123,7 @@ 123 123 124 124 [[image:image-20220606163732-6.jpeg]] 125 125 143 + 126 126 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot: 127 127 128 128 **Add APP EUI in the application** ... ... @@ -157,6 +157,7 @@ 157 157 158 158 === 2.3.1 MOD~=0(Default Mode) === 159 159 178 + 160 160 LSE01 will uplink payload via LoRaWAN with below payload format: 161 161 162 162 ((( ... ... @@ -163,48 +163,34 @@ 163 163 Uplink payload includes in total 11 bytes. 164 164 ))) 165 165 166 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 167 -|((( 168 -**Size** 169 - 170 -**(bytes)** 185 +(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 186 +|=(% scope="row" %)((( 187 +**Size(bytes)** 171 171 )))|**2**|**2**|**2**|**2**|**2**|**1** 172 -|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 173 -Temperature 174 - 175 -(Reserve, Ignore now) 189 +|=**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 190 +Temperature(Reserve, Ignore now) 176 176 )))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]]|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]]|((( 177 -MOD & Digital Interrupt 178 - 179 -(Optional) 192 +MOD & Digital Interrupt(Optional) 180 180 ))) 181 181 182 - 183 - 184 184 === 2.3.2 MOD~=1(Original value) === 185 185 197 + 186 186 This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation). 187 187 188 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 189 -|((( 190 -**Size** 191 - 192 -**(bytes)** 200 +(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 201 +|=(% scope="row" %)((( 202 +**Size(bytes)** 193 193 )))|**2**|**2**|**2**|**2**|**2**|**1** 194 -|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 195 -Temperature 196 - 197 -(Reserve, Ignore now) 204 +|=**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 205 +Temperature(Reserve, Ignore now) 198 198 )))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]](raw)|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]](raw)|((( 199 -MOD & Digital Interrupt 200 - 201 -(Optional) 207 +MOD & Digital Interrupt(Optional) 202 202 ))) 203 203 204 - 205 - 206 206 === 2.3.3 Battery Info === 207 207 212 + 208 208 ((( 209 209 Check the battery voltage for LSE01. 210 210 ))) ... ... @@ -221,6 +221,7 @@ 221 221 222 222 === 2.3.4 Soil Moisture === 223 223 229 + 224 224 ((( 225 225 Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil. 226 226 ))) ... ... @@ -241,6 +241,7 @@ 241 241 242 242 === 2.3.5 Soil Temperature === 243 243 250 + 244 244 ((( 245 245 Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is 246 246 ))) ... ... @@ -261,6 +261,7 @@ 261 261 262 262 === 2.3.6 Soil Conductivity (EC) === 263 263 271 + 264 264 ((( 265 265 Obtain (% style="color:#4f81bd" %)**__soluble salt concentration__**(%%) in soil or (% style="color:#4f81bd" %)**__soluble ion concentration in liquid fertilizer__**(%%) or (% style="color:#4f81bd" %)**__planting medium__**(%%). The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000). 266 266 ))) ... ... @@ -283,6 +283,7 @@ 283 283 284 284 === 2.3.7 MOD === 285 285 294 + 286 286 Firmware version at least v2.1 supports changing mode. 287 287 288 288 For example, bytes[10]=90 ... ... @@ -300,6 +300,7 @@ 300 300 301 301 === 2.3.8 Decode payload in The Things Network === 302 302 312 + 303 303 While using TTN network, you can add the payload format to decode the payload. 304 304 305 305 ... ... @@ -310,12 +310,14 @@ 310 310 ))) 311 311 312 312 ((( 313 -LSE01 TTN Payload Decoder: www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0>>https://www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0]]323 +LSE01 TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 314 314 ))) 315 315 316 316 327 + 317 317 == 2.4 Uplink Interval == 318 318 330 + 319 319 The LSE01 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"]] 320 320 321 321 ... ... @@ -322,13 +322,14 @@ 322 322 323 323 == 2.5 Downlink Payload == 324 324 325 -By default, LSE50 prints the downlink payload to console port. 326 326 338 +By default, LSE01 prints the downlink payload to console port. 339 + 327 327 [[image:image-20220606165544-8.png]] 328 328 329 329 330 330 ((( 331 -**Examples:** 344 +(% style="color:blue" %)**Examples:** 332 332 ))) 333 333 334 334 ((( ... ... @@ -336,11 +336,11 @@ 336 336 ))) 337 337 338 338 * ((( 339 -**Set TDC** 352 +(% style="color:blue" %)**Set TDC** 340 340 ))) 341 341 342 342 ((( 343 -If the payload=0100003C, it means set the END Node ’s TDC to 0x00003C=60(S), while type code is 01.356 +If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01. 344 344 ))) 345 345 346 346 ((( ... ... @@ -356,7 +356,7 @@ 356 356 ))) 357 357 358 358 * ((( 359 -**Reset** 372 +(% style="color:blue" %)**Reset** 360 360 ))) 361 361 362 362 ((( ... ... @@ -364,7 +364,7 @@ 364 364 ))) 365 365 366 366 367 -* **CFM** 380 +* (% style="color:blue" %)**CFM** 368 368 369 369 Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0 370 370 ... ... @@ -372,6 +372,7 @@ 372 372 373 373 == 2.6 Show Data in DataCake IoT Server == 374 374 388 + 375 375 ((( 376 376 [[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: 377 377 ))) ... ... @@ -411,11 +411,14 @@ 411 411 412 412 == 2.7 Frequency Plans == 413 413 428 + 414 414 The LSE01 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. 415 415 416 416 432 + 417 417 === 2.7.1 EU863-870 (EU868) === 418 418 435 + 419 419 (% style="color:#037691" %)** Uplink:** 420 420 421 421 868.1 - SF7BW125 to SF12BW125 ... ... @@ -447,6 +447,7 @@ 447 447 448 448 === 2.7.2 US902-928(US915) === 449 449 467 + 450 450 Used in USA, Canada and South America. Default use CHE=2 451 451 452 452 (% style="color:#037691" %)**Uplink:** ... ... @@ -492,6 +492,7 @@ 492 492 493 493 === 2.7.3 CN470-510 (CN470) === 494 494 513 + 495 495 Used in China, Default use CHE=1 496 496 497 497 (% style="color:#037691" %)**Uplink:** ... ... @@ -537,6 +537,7 @@ 537 537 538 538 === 2.7.4 AU915-928(AU915) === 539 539 559 + 540 540 Default use CHE=2 541 541 542 542 (% style="color:#037691" %)**Uplink:** ... ... @@ -582,6 +582,7 @@ 582 582 583 583 === 2.7.5 AS920-923 & AS923-925 (AS923) === 584 584 605 + 585 585 (% style="color:#037691" %)**Default Uplink channel:** 586 586 587 587 923.2 - SF7BW125 to SF10BW125 ... ... @@ -633,6 +633,7 @@ 633 633 634 634 === 2.7.6 KR920-923 (KR920) === 635 635 657 + 636 636 Default channel: 637 637 638 638 922.1 - SF7BW125 to SF12BW125 ... ... @@ -669,6 +669,7 @@ 669 669 670 670 === 2.7.7 IN865-867 (IN865) === 671 671 694 + 672 672 (% style="color:#037691" %)** Uplink:** 673 673 674 674 865.0625 - SF7BW125 to SF12BW125 ... ... @@ -689,6 +689,7 @@ 689 689 690 690 == 2.8 LED Indicator == 691 691 715 + 692 692 The LSE01 has an internal LED which is to show the status of different state. 693 693 694 694 * Blink once when device power on. ... ... @@ -695,15 +695,15 @@ 695 695 * Solid ON for 5 seconds once device successful Join the network. 696 696 * Blink once when device transmit a packet. 697 697 698 - 699 - 700 700 == 2.9 Installation in Soil == 701 701 724 + 702 702 **Measurement the soil surface** 703 703 704 704 705 705 [[image:1654506634463-199.png]] 706 706 730 + 707 707 ((( 708 708 ((( 709 709 Choose the proper measuring position. Avoid the probe to touch rocks or hard things. Split the surface soil according to the measured deep. Keep the measured as original density. Vertical insert the probe into the soil to be measured. Make sure not shake when inserting. ... ... @@ -714,6 +714,7 @@ 714 714 715 715 [[image:1654506665940-119.png]] 716 716 741 + 717 717 ((( 718 718 Dig a hole with diameter > 20CM. 719 719 ))) ... ... @@ -723,14 +723,12 @@ 723 723 ))) 724 724 725 725 751 + 726 726 == 2.10 Firmware Change Log == 727 727 728 -((( 729 -**Firmware download link:** 730 -))) 731 731 732 732 ((( 733 -[[http:~~/~~/www.dr agino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]756 +**Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0>>https://www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0]] 734 734 ))) 735 735 736 736 ((( ... ... @@ -754,10 +754,13 @@ 754 754 ))) 755 755 756 756 780 + 757 757 == 2.11 Battery Analysis == 758 758 783 + 759 759 === 2.11.1 Battery Type === 760 760 786 + 761 761 ((( 762 762 The LSE01 battery is a combination of a 4000mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter. 763 763 ))) ... ... @@ -788,6 +788,7 @@ 788 788 789 789 === 2.11.2 Battery Note === 790 790 817 + 791 791 ((( 792 792 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 793 793 ))) ... ... @@ -796,16 +796,17 @@ 796 796 797 797 === 2.11.3 Replace the battery === 798 798 826 + 799 799 ((( 800 800 If Battery is lower than 2.7v, user should replace the battery of LSE01. 801 801 ))) 802 802 803 803 ((( 804 -You can change the battery in the LSE01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won ’t be voltage drop between battery and main board.832 +You can change the battery in the LSE01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 805 805 ))) 806 806 807 807 ((( 808 -The default battery pack of LSE01 includes a ER18505 plus super capacitor. If user can ’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)836 +The default battery pack of LSE01 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 809 809 ))) 810 810 811 811 ... ... @@ -812,11 +812,13 @@ 812 812 813 813 = 3. Using the AT Commands = 814 814 843 + 815 815 == 3.1 Access AT Commands == 816 816 817 817 818 818 LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSE01 for using AT command, as below. 819 819 849 + 820 820 [[image:1654501986557-872.png||height="391" width="800"]] 821 821 822 822 ... ... @@ -833,16 +833,16 @@ 833 833 [[image:1654502050864-459.png||height="564" width="806"]] 834 834 835 835 836 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0]] : [[https:~~/~~/www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0>>https://www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0]]866 +Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dropbox.com/sh/qr6vproz4z4kzjz/AAAD48h3OyWrU1hq_Cqm8jIwa?dl=0]]. 837 837 838 838 839 -(% style="background-color:#dcdcdc" %)**AT+<CMD> =?AT+<CMD>?**(%%) : Help on <CMD>869 +(% style="background-color:#dcdcdc" %)**AT+<CMD>? **(%%) : Help on <CMD> 840 840 841 -(% style="background-color:#dcdcdc" %)**AT+<CMD> =?AT+<CMD>**(%%) : Run <CMD>871 +(% style="background-color:#dcdcdc" %)**AT+<CMD> **(%%) : Run <CMD> 842 842 843 -(% style="background-color:#dcdcdc" %)**AT+<CMD>= ?AT+<CMD>=<value>**(%%)873 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=<value>**(%%) : Set the value 844 844 845 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=? AT+<CMD>=?**(%%)875 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?**(%%) : Get the value 846 846 847 847 848 848 (% style="color:#037691" %)**General Commands**(%%) ... ... @@ -941,10 +941,13 @@ 941 941 (% style="background-color:#dcdcdc" %)**AT+CHE**(%%) : Get or Set eight channels mode, Only for US915, AU915, CN470 942 942 943 943 974 + 944 944 = 4. FAQ = 945 945 977 + 946 946 == 4.1 How to change the LoRa Frequency Bands/Region? == 947 947 980 + 948 948 ((( 949 949 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 950 950 When downloading the images, choose the required image file for download. ... ... @@ -1013,27 +1013,36 @@ 1013 1013 [[image:image-20220606154825-4.png]] 1014 1014 1015 1015 1049 + 1016 1016 == 4.2 Can I calibrate LSE01 to different soil types? == 1017 1017 1052 + 1018 1018 LSE01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/&file=Calibrate_to_other_Soil_20220605.pdf]]. 1019 1019 1020 1020 1056 + 1021 1021 = 5. Trouble Shooting = 1022 1022 1023 -== 5.1 Why I can’t join TTN in US915 / AU915 bands? == 1024 1024 1025 - Itisduetochannel mapping. Please seethe[[Eight Channel Mode>>doc:Main.LoRaWANCommunicationDebug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]sectionabove for details.1060 +== 5.1 Why I can't join TTN in US915 / AU915 bands? == 1026 1026 1027 1027 1028 - ==5.2AT Command inputdoesn’twork==1063 +It is due to channel mapping. Please see the [[Eight Channel Mode>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.19EightChannelMode"]] section above for details. 1029 1029 1065 + 1066 + 1067 +== 5.2 AT Command input doesn't work == 1068 + 1069 + 1030 1030 ((( 1031 -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.1071 +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. 1032 1032 ))) 1033 1033 1034 1034 1075 + 1035 1035 == 5.3 Device rejoin in at the second uplink packet == 1036 1036 1078 + 1037 1037 (% style="color:#4f81bd" %)**Issue describe as below:** 1038 1038 1039 1039 [[image:1654500909990-784.png]] ... ... @@ -1053,6 +1053,7 @@ 1053 1053 [[image:1654500929571-736.png||height="458" width="832"]] 1054 1054 1055 1055 1098 + 1056 1056 = 6. Order Info = 1057 1057 1058 1058 ... ... @@ -1078,6 +1078,8 @@ 1078 1078 (% class="wikigeneratedid" %) 1079 1079 ((( 1080 1080 1124 + 1125 + 1081 1081 ))) 1082 1082 1083 1083 = 7. Packing Info = ... ... @@ -1110,10 +1110,14 @@ 1110 1110 * ((( 1111 1111 Weight / pcs : g 1112 1112 1158 + 1113 1113 1114 1114 ))) 1115 1115 1116 1116 = 8. Support = 1117 1117 1164 + 1118 1118 * 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. 1119 1119 * 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]] 1167 + 1168 +
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