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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... ... @@ -24,9 +24,8 @@ 24 24 25 25 == 1.1 What is LoRaWAN Soil Moisture & EC Sensor == 26 26 27 -((( 28 - 29 29 28 +((( 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 ... ... @@ -53,9 +53,9 @@ 53 53 [[image:1654503265560-120.png]] 54 54 55 55 56 - 57 57 == 1.2 Features == 58 58 57 + 59 59 * LoRaWAN 1.0.3 Class A 60 60 * Ultra low power consumption 61 61 * Monitor Soil Moisture ... ... @@ -72,42 +72,57 @@ 72 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 78 79 79 80 +== 1.4 Dimension == 80 80 81 -== 1.4 Applications == 82 82 83 -* SmartAgriculture83 +**Main Device Dimension:** 84 84 85 -(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %) 86 - 85 +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/]] 87 87 88 - == 1.5 FirmwareChangelog ==87 +[[image:image-20221008140228-2.png||height="358" width="571"]] 89 89 90 90 91 -** LSE01v1.0 :** Release90 +**Probe Dimension** 92 92 92 +[[image:image-20221008135912-1.png]] 93 93 94 94 95 +== 1.5 Applications == 96 + 97 + 98 +* Smart Agriculture 99 + 100 + 101 + 102 +== 1.6 Firmware Change log == 103 + 104 + 105 +**LSE01 v1.0 :** Release 106 + 107 + 95 95 = 2. Configure LSE01 to connect to LoRaWAN network = 96 96 97 97 == 2.1 How it works == 98 98 112 + 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"]].118 +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 - 109 109 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == 110 110 124 + 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]] 125 125 140 + 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** ... ... @@ -151,12 +151,11 @@ 151 151 [[image:1654504778294-788.png]] 152 152 153 153 154 - 155 155 == 2.3 Uplink Payload == 156 156 157 - 158 158 === 2.3.1 MOD~=0(Default Mode) === 159 159 173 + 160 160 LSE01 will uplink payload via LoRaWAN with below payload format: 161 161 162 162 ((( ... ... @@ -163,20 +163,15 @@ 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)** 180 +(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 181 +|=(% scope="row" %)((( 182 +**Size(bytes)** 171 171 )))|**2**|**2**|**2**|**2**|**2**|**1** 172 -|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 184 +|=**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 173 173 Temperature 174 - 175 175 (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) 188 +MOD & Digital Interrupt(Optional) 180 180 ))) 181 181 182 182 ... ... @@ -183,22 +183,18 @@ 183 183 184 184 === 2.3.2 MOD~=1(Original value) === 185 185 195 + 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)** 198 +(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 199 +|=(% scope="row" %)((( 200 +**Size(bytes)** 193 193 )))|**2**|**2**|**2**|**2**|**2**|**1** 194 -|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 202 +|=**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 195 195 Temperature 196 - 197 197 (Reserve, Ignore now) 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) 205 +)))|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]](raw)|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]](raw)|[[Dielectric constant>>||anchor="H2.3.6SoilConductivity28EC29"]](raw)|((( 206 +MOD & Digital Interrupt(Optional) 202 202 ))) 203 203 204 204 ... ... @@ -205,6 +205,7 @@ 205 205 206 206 === 2.3.3 Battery Info === 207 207 213 + 208 208 ((( 209 209 Check the battery voltage for LSE01. 210 210 ))) ... ... @@ -218,9 +218,9 @@ 218 218 ))) 219 219 220 220 221 - 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 ))) ... ... @@ -238,11 +238,11 @@ 238 238 ))) 239 239 240 240 241 - 242 242 === 2.3.5 Soil Temperature === 243 243 249 + 244 244 ((( 245 - 251 +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 ))) 247 247 248 248 ((( ... ... @@ -258,9 +258,9 @@ 258 258 ))) 259 259 260 260 261 - 262 262 === 2.3.6 Soil Conductivity (EC) === 263 263 269 + 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 ))) ... ... @@ -277,12 +277,9 @@ 277 277 278 278 ))) 279 279 280 -((( 281 - 282 -))) 283 - 284 284 === 2.3.7 MOD === 285 285 288 + 286 286 Firmware version at least v2.1 supports changing mode. 287 287 288 288 For example, bytes[10]=90 ... ... @@ -297,9 +297,9 @@ 297 297 If** **payload =** **0x0A01, workmode=1 298 298 299 299 300 - 301 301 === 2.3.8 Decode payload in The Things Network === 302 302 305 + 303 303 While using TTN network, you can add the payload format to decode the payload. 304 304 305 305 ... ... @@ -310,19 +310,19 @@ 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]]316 +LSE01 TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 314 314 ))) 315 315 316 316 317 - 318 318 == 2.4 Uplink Interval == 319 319 322 + 320 320 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"]] 321 321 322 322 323 - 324 324 == 2.5 Downlink Payload == 325 325 328 + 326 326 By default, LSE01 prints the downlink payload to console port. 327 327 328 328 [[image:image-20220606165544-8.png]] ... ... @@ -370,9 +370,9 @@ 370 370 Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0 371 371 372 372 373 - 374 374 == 2.6 Show Data in DataCake IoT Server == 375 375 378 + 376 376 ((( 377 377 [[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: 378 378 ))) ... ... @@ -409,14 +409,15 @@ 409 409 [[image:1654505925508-181.png]] 410 410 411 411 412 - 413 413 == 2.7 Frequency Plans == 414 414 417 + 415 415 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. 416 416 417 417 418 418 === 2.7.1 EU863-870 (EU868) === 419 419 423 + 420 420 (% style="color:#037691" %)** Uplink:** 421 421 422 422 868.1 - SF7BW125 to SF12BW125 ... ... @@ -445,9 +445,9 @@ 445 445 869.525 - SF9BW125 (RX2 downlink only) 446 446 447 447 448 - 449 449 === 2.7.2 US902-928(US915) === 450 450 454 + 451 451 Used in USA, Canada and South America. Default use CHE=2 452 452 453 453 (% style="color:#037691" %)**Uplink:** ... ... @@ -490,9 +490,9 @@ 490 490 923.3 - SF12BW500(RX2 downlink only) 491 491 492 492 493 - 494 494 === 2.7.3 CN470-510 (CN470) === 495 495 499 + 496 496 Used in China, Default use CHE=1 497 497 498 498 (% style="color:#037691" %)**Uplink:** ... ... @@ -535,9 +535,9 @@ 535 535 505.3 - SF12BW125 (RX2 downlink only) 536 536 537 537 538 - 539 539 === 2.7.4 AU915-928(AU915) === 540 540 544 + 541 541 Default use CHE=2 542 542 543 543 (% style="color:#037691" %)**Uplink:** ... ... @@ -580,9 +580,9 @@ 580 580 923.3 - SF12BW500(RX2 downlink only) 581 581 582 582 583 - 584 584 === 2.7.5 AS920-923 & AS923-925 (AS923) === 585 585 589 + 586 586 (% style="color:#037691" %)**Default Uplink channel:** 587 587 588 588 923.2 - SF7BW125 to SF10BW125 ... ... @@ -631,9 +631,9 @@ 631 631 923.2 - SF10BW125 (RX2) 632 632 633 633 634 - 635 635 === 2.7.6 KR920-923 (KR920) === 636 636 640 + 637 637 Default channel: 638 638 639 639 922.1 - SF7BW125 to SF12BW125 ... ... @@ -667,9 +667,9 @@ 667 667 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 668 668 669 669 670 - 671 671 === 2.7.7 IN865-867 (IN865) === 672 672 676 + 673 673 (% style="color:#037691" %)** Uplink:** 674 674 675 675 865.0625 - SF7BW125 to SF12BW125 ... ... @@ -686,10 +686,9 @@ 686 686 866.550 - SF10BW125 (RX2) 687 687 688 688 689 - 690 - 691 691 == 2.8 LED Indicator == 692 692 695 + 693 693 The LSE01 has an internal LED which is to show the status of different state. 694 694 695 695 * Blink once when device power on. ... ... @@ -698,14 +698,15 @@ 698 698 699 699 700 700 701 - 702 702 == 2.9 Installation in Soil == 703 703 706 + 704 704 **Measurement the soil surface** 705 705 706 706 707 707 [[image:1654506634463-199.png]] 708 708 712 + 709 709 ((( 710 710 ((( 711 711 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. ... ... @@ -716,6 +716,7 @@ 716 716 717 717 [[image:1654506665940-119.png]] 718 718 723 + 719 719 ((( 720 720 Dig a hole with diameter > 20CM. 721 721 ))) ... ... @@ -727,19 +727,12 @@ 727 727 728 728 == 2.10 Firmware Change Log == 729 729 730 -((( 731 -**Firmware download link:** 732 -))) 733 733 734 734 ((( 735 -[[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/]]737 +**Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0>>https://www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0]] 736 736 ))) 737 737 738 738 ((( 739 - 740 -))) 741 - 742 -((( 743 743 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 744 744 ))) 745 745 ... ... @@ -756,62 +756,14 @@ 756 756 ))) 757 757 758 758 759 -== 2.11 BatteryAnalysis==757 +== 2.11 Battery & Power Consumption == 760 760 761 -=== 2.11.1 Battery Type === 762 762 763 -((( 764 -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. 765 -))) 760 +LSE01 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 766 766 767 -((( 768 -The battery is designed to last for more than 5 years for the LSN50. 769 -))) 762 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 770 770 771 -((( 772 -((( 773 -The battery-related documents are as below: 774 -))) 775 -))) 776 776 777 -* ((( 778 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], 779 -))) 780 -* ((( 781 -[[Lithium-Thionyl Chloride Battery datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], 782 -))) 783 -* ((( 784 -[[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]], [[Tech Spec>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/]] 785 -))) 786 - 787 - [[image:image-20220610172436-1.png]] 788 - 789 - 790 - 791 -=== 2.11.2 Battery Note === 792 - 793 -((( 794 -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. 795 -))) 796 - 797 - 798 - 799 -=== 2.11.3 Replace the battery === 800 - 801 -((( 802 -If Battery is lower than 2.7v, user should replace the battery of LSE01. 803 -))) 804 - 805 -((( 806 -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. 807 -))) 808 - 809 -((( 810 -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) 811 -))) 812 - 813 - 814 - 815 815 = 3. Using the AT Commands = 816 816 817 817 == 3.1 Access AT Commands == ... ... @@ -819,6 +819,7 @@ 819 819 820 820 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. 821 821 772 + 822 822 [[image:1654501986557-872.png||height="391" width="800"]] 823 823 824 824 ... ... @@ -828,7 +828,6 @@ 828 828 [[image:1654502005655-729.png||height="503" width="801"]] 829 829 830 830 831 - 832 832 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSE01. LSE01 will output system info once power on as below: 833 833 834 834 ... ... @@ -835,16 +835,16 @@ 835 835 [[image:1654502050864-459.png||height="564" width="806"]] 836 836 837 837 838 -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]]788 +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]]. 839 839 840 840 841 -(% style="background-color:#dcdcdc" %)**AT+<CMD> =?AT+<CMD>?**(%%) : Help on <CMD>791 +(% style="background-color:#dcdcdc" %)**AT+<CMD>? **(%%) : Help on <CMD> 842 842 843 -(% style="background-color:#dcdcdc" %)**AT+<CMD> =?AT+<CMD>**(%%) : Run <CMD>793 +(% style="background-color:#dcdcdc" %)**AT+<CMD> **(%%) : Run <CMD> 844 844 845 -(% style="background-color:#dcdcdc" %)**AT+<CMD>= ?AT+<CMD>=<value>**(%%)795 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=<value>**(%%) : Set the value 846 846 847 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=? AT+<CMD>=?**(%%)797 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?**(%%) : Get the value 848 848 849 849 850 850 (% style="color:#037691" %)**General Commands**(%%) ... ... @@ -947,6 +947,7 @@ 947 947 948 948 == 4.1 How to change the LoRa Frequency Bands/Region? == 949 949 900 + 950 950 ((( 951 951 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 952 952 When downloading the images, choose the required image file for download. ... ... @@ -1017,7 +1017,10 @@ 1017 1017 1018 1018 == 4.2 Can I calibrate LSE01 to different soil types? == 1019 1019 971 + 972 +((( 1020 1020 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]]. 974 +))) 1021 1021 1022 1022 1023 1023 = 5. Trouble Shooting = ... ... @@ -1024,11 +1024,13 @@ 1024 1024 1025 1025 == 5.1 Why I can't join TTN in US915 / AU915 bands? == 1026 1026 981 + 1027 1027 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. 1028 1028 1029 1029 1030 1030 == 5.2 AT Command input doesn't work == 1031 1031 987 + 1032 1032 ((( 1033 1033 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. 1034 1034 ))) ... ... @@ -1036,6 +1036,7 @@ 1036 1036 1037 1037 == 5.3 Device rejoin in at the second uplink packet == 1038 1038 995 + 1039 1039 (% style="color:#4f81bd" %)**Issue describe as below:** 1040 1040 1041 1041 [[image:1654500909990-784.png]] ... ... @@ -1050,7 +1050,9 @@ 1050 1050 1051 1051 (% style="color:#4f81bd" %)**Solution: ** 1052 1052 1010 +((( 1053 1053 All new shipped LSE01 after 2020-May-30 will have this to fix. For the customer who see this issue, please bypass the fuse as below: 1012 +))) 1054 1054 1055 1055 [[image:1654500929571-736.png||height="458" width="832"]] 1056 1056 ... ... @@ -1120,5 +1120,8 @@ 1120 1120 1121 1121 = 8. Support = 1122 1122 1082 + 1123 1123 * 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. 1124 1124 * 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]] 1085 + 1086 +
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