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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... ... @@ -24,8 +24,9 @@ 24 24 25 25 == 1.1 What is LoRaWAN Soil Moisture & EC Sensor == 26 26 27 - 28 28 ((( 28 + 29 + 29 29 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. 30 30 ))) 31 31 ... ... @@ -52,9 +52,9 @@ 52 52 [[image:1654503265560-120.png]] 53 53 54 54 56 + 55 55 == 1.2 Features == 56 56 57 - 58 58 * LoRaWAN 1.0.3 Class A 59 59 * Ultra low power consumption 60 60 * Monitor Soil Moisture ... ... @@ -71,57 +71,42 @@ 71 71 72 72 == 1.3 Specification == 73 73 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 == 81 81 81 +== 1.4 Applications == 82 82 83 -* *MainDeviceDimension:**83 +* Smart Agriculture 84 84 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/]] 85 +(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %) 86 + 86 86 87 - [[image:image-20221008140228-2.png||height="358"width="571"]]88 +== 1.5 Firmware Change log == 88 88 89 89 90 -**Probe Dimension** 91 - 92 -[[image:image-20221008135912-1.png]] 93 - 94 - 95 -== 1.5 Applications == 96 - 97 - 98 -* Smart Agriculture 99 - 100 - 101 - 102 -== 1.6 Firmware Change log == 103 - 104 - 105 105 **LSE01 v1.0 :** Release 106 106 107 107 94 + 108 108 = 2. Configure LSE01 to connect to LoRaWAN network = 109 109 110 110 == 2.1 How it works == 111 111 112 - 113 113 ((( 114 114 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 115 115 ))) 116 116 117 117 ((( 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"]].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"]]. 119 119 ))) 120 120 121 121 108 + 122 122 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == 123 123 124 - 125 125 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. 126 126 127 127 ... ... @@ -137,7 +137,6 @@ 137 137 138 138 [[image:image-20220606163732-6.jpeg]] 139 139 140 - 141 141 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot: 142 142 143 143 **Add APP EUI in the application** ... ... @@ -166,11 +166,12 @@ 166 166 [[image:1654504778294-788.png]] 167 167 168 168 154 + 169 169 == 2.3 Uplink Payload == 170 170 157 + 171 171 === 2.3.1 MOD~=0(Default Mode) === 172 172 173 - 174 174 LSE01 will uplink payload via LoRaWAN with below payload format: 175 175 176 176 ((( ... ... @@ -177,15 +177,20 @@ 177 177 Uplink payload includes in total 11 bytes. 178 178 ))) 179 179 180 -(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 181 -|=(% scope="row" %)((( 182 -**Size(bytes)** 166 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 167 +|((( 168 +**Size** 169 + 170 +**(bytes)** 183 183 )))|**2**|**2**|**2**|**2**|**2**|**1** 184 -| =**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(((172 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 185 185 Temperature 174 + 186 186 (Reserve, Ignore now) 187 187 )))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]]|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]]|((( 188 -MOD & Digital Interrupt(Optional) 177 +MOD & Digital Interrupt 178 + 179 +(Optional) 189 189 ))) 190 190 191 191 ... ... @@ -192,18 +192,22 @@ 192 192 193 193 === 2.3.2 MOD~=1(Original value) === 194 194 195 - 196 196 This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation). 197 197 198 -(% border="1" cellspacing="5" style="background-color:#ffffcc; width:500px" %) 199 -|=(% scope="row" %)((( 200 -**Size(bytes)** 188 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 189 +|((( 190 +**Size** 191 + 192 +**(bytes)** 201 201 )))|**2**|**2**|**2**|**2**|**2**|**1** 202 -| =**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(((194 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 203 203 Temperature 196 + 204 204 (Reserve, Ignore now) 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) 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) 207 207 ))) 208 208 209 209 ... ... @@ -210,7 +210,6 @@ 210 210 211 211 === 2.3.3 Battery Info === 212 212 213 - 214 214 ((( 215 215 Check the battery voltage for LSE01. 216 216 ))) ... ... @@ -224,9 +224,9 @@ 224 224 ))) 225 225 226 226 221 + 227 227 === 2.3.4 Soil Moisture === 228 228 229 - 230 230 ((( 231 231 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. 232 232 ))) ... ... @@ -244,11 +244,11 @@ 244 244 ))) 245 245 246 246 241 + 247 247 === 2.3.5 Soil Temperature === 248 248 249 - 250 250 ((( 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 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 252 252 ))) 253 253 254 254 ((( ... ... @@ -264,9 +264,9 @@ 264 264 ))) 265 265 266 266 261 + 267 267 === 2.3.6 Soil Conductivity (EC) === 268 268 269 - 270 270 ((( 271 271 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). 272 272 ))) ... ... @@ -283,9 +283,12 @@ 283 283 284 284 ))) 285 285 280 +((( 281 + 282 +))) 283 + 286 286 === 2.3.7 MOD === 287 287 288 - 289 289 Firmware version at least v2.1 supports changing mode. 290 290 291 291 For example, bytes[10]=90 ... ... @@ -300,9 +300,9 @@ 300 300 If** **payload =** **0x0A01, workmode=1 301 301 302 302 300 + 303 303 === 2.3.8 Decode payload in The Things Network === 304 304 305 - 306 306 While using TTN network, you can add the payload format to decode the payload. 307 307 308 308 ... ... @@ -313,19 +313,19 @@ 313 313 ))) 314 314 315 315 ((( 316 -LSE01 TTN Payload Decoder: github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]313 +LSE01 TTN Payload Decoder: [[https:~~/~~/www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0>>https://www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0]] 317 317 ))) 318 318 319 319 317 + 320 320 == 2.4 Uplink Interval == 321 321 322 - 323 323 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"]] 324 324 325 325 323 + 326 326 == 2.5 Downlink Payload == 327 327 328 - 329 329 By default, LSE01 prints the downlink payload to console port. 330 330 331 331 [[image:image-20220606165544-8.png]] ... ... @@ -373,9 +373,9 @@ 373 373 Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0 374 374 375 375 373 + 376 376 == 2.6 Show Data in DataCake IoT Server == 377 377 378 - 379 379 ((( 380 380 [[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: 381 381 ))) ... ... @@ -412,15 +412,14 @@ 412 412 [[image:1654505925508-181.png]] 413 413 414 414 412 + 415 415 == 2.7 Frequency Plans == 416 416 417 - 418 418 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. 419 419 420 420 421 421 === 2.7.1 EU863-870 (EU868) === 422 422 423 - 424 424 (% style="color:#037691" %)** Uplink:** 425 425 426 426 868.1 - SF7BW125 to SF12BW125 ... ... @@ -449,9 +449,9 @@ 449 449 869.525 - SF9BW125 (RX2 downlink only) 450 450 451 451 448 + 452 452 === 2.7.2 US902-928(US915) === 453 453 454 - 455 455 Used in USA, Canada and South America. Default use CHE=2 456 456 457 457 (% style="color:#037691" %)**Uplink:** ... ... @@ -494,9 +494,9 @@ 494 494 923.3 - SF12BW500(RX2 downlink only) 495 495 496 496 493 + 497 497 === 2.7.3 CN470-510 (CN470) === 498 498 499 - 500 500 Used in China, Default use CHE=1 501 501 502 502 (% style="color:#037691" %)**Uplink:** ... ... @@ -539,9 +539,9 @@ 539 539 505.3 - SF12BW125 (RX2 downlink only) 540 540 541 541 538 + 542 542 === 2.7.4 AU915-928(AU915) === 543 543 544 - 545 545 Default use CHE=2 546 546 547 547 (% style="color:#037691" %)**Uplink:** ... ... @@ -584,9 +584,9 @@ 584 584 923.3 - SF12BW500(RX2 downlink only) 585 585 586 586 583 + 587 587 === 2.7.5 AS920-923 & AS923-925 (AS923) === 588 588 589 - 590 590 (% style="color:#037691" %)**Default Uplink channel:** 591 591 592 592 923.2 - SF7BW125 to SF10BW125 ... ... @@ -635,9 +635,9 @@ 635 635 923.2 - SF10BW125 (RX2) 636 636 637 637 634 + 638 638 === 2.7.6 KR920-923 (KR920) === 639 639 640 - 641 641 Default channel: 642 642 643 643 922.1 - SF7BW125 to SF12BW125 ... ... @@ -671,9 +671,9 @@ 671 671 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 672 672 673 673 670 + 674 674 === 2.7.7 IN865-867 (IN865) === 675 675 676 - 677 677 (% style="color:#037691" %)** Uplink:** 678 678 679 679 865.0625 - SF7BW125 to SF12BW125 ... ... @@ -690,9 +690,10 @@ 690 690 866.550 - SF10BW125 (RX2) 691 691 692 692 693 -== 2.8 LED Indicator == 694 694 695 695 691 +== 2.8 LED Indicator == 692 + 696 696 The LSE01 has an internal LED which is to show the status of different state. 697 697 698 698 * Blink once when device power on. ... ... @@ -701,15 +701,14 @@ 701 701 702 702 703 703 701 + 704 704 == 2.9 Installation in Soil == 705 705 706 - 707 707 **Measurement the soil surface** 708 708 709 709 710 710 [[image:1654506634463-199.png]] 711 711 712 - 713 713 ((( 714 714 ((( 715 715 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. ... ... @@ -720,7 +720,6 @@ 720 720 721 721 [[image:1654506665940-119.png]] 722 722 723 - 724 724 ((( 725 725 Dig a hole with diameter > 20CM. 726 726 ))) ... ... @@ -732,12 +732,19 @@ 732 732 733 733 == 2.10 Firmware Change Log == 734 734 730 +((( 731 +**Firmware download link:** 732 +))) 735 735 736 736 ((( 737 - **Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0>>https://www.dropbox.com/sh/8ixj7zgt477ip51/AADLrib9Oe6IuOpPF5o1GPf9a?dl=0]]735 +[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]] 738 738 ))) 739 739 740 740 ((( 739 + 740 +))) 741 + 742 +((( 741 741 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 742 742 ))) 743 743 ... ... @@ -754,14 +754,62 @@ 754 754 ))) 755 755 756 756 757 -== 2.11 Battery & Power Consumption==759 +== 2.11 Battery Analysis == 758 758 761 +=== 2.11.1 Battery Type === 759 759 760 -LSE01 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace. 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 +))) 761 761 762 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] . 767 +((( 768 +The battery is designed to last for more than 5 years for the LSN50. 769 +))) 763 763 771 +((( 772 +((( 773 +The battery-related documents are as below: 774 +))) 775 +))) 764 764 777 +* ((( 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 + 765 765 = 3. Using the AT Commands = 766 766 767 767 == 3.1 Access AT Commands == ... ... @@ -769,7 +769,6 @@ 769 769 770 770 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. 771 771 772 - 773 773 [[image:1654501986557-872.png||height="391" width="800"]] 774 774 775 775 ... ... @@ -779,6 +779,7 @@ 779 779 [[image:1654502005655-729.png||height="503" width="801"]] 780 780 781 781 831 + 782 782 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: 783 783 784 784 ... ... @@ -785,16 +785,16 @@ 785 785 [[image:1654502050864-459.png||height="564" width="806"]] 786 786 787 787 788 -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]]. 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]] 789 789 790 790 791 -(% style="background-color:#dcdcdc" %)**AT+<CMD>? **(%%) : Help on <CMD> 841 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>? **(%%) : Help on <CMD> 792 792 793 -(% style="background-color:#dcdcdc" %)**AT+<CMD> **(%%) : Run <CMD> 843 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD> **(%%) : Run <CMD> 794 794 795 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=<value>**(%%) 845 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=<value>**(%%) : Set the value 796 796 797 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?**(%%) : Get the value 847 +(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=?**(%%) : Get the value 798 798 799 799 800 800 (% style="color:#037691" %)**General Commands**(%%) ... ... @@ -897,7 +897,6 @@ 897 897 898 898 == 4.1 How to change the LoRa Frequency Bands/Region? == 899 899 900 - 901 901 ((( 902 902 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 903 903 When downloading the images, choose the required image file for download. ... ... @@ -968,10 +968,7 @@ 968 968 969 969 == 4.2 Can I calibrate LSE01 to different soil types? == 970 970 971 - 972 -((( 973 973 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 -))) 975 975 976 976 977 977 = 5. Trouble Shooting = ... ... @@ -978,13 +978,11 @@ 978 978 979 979 == 5.1 Why I can't join TTN in US915 / AU915 bands? == 980 980 981 - 982 982 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. 983 983 984 984 985 985 == 5.2 AT Command input doesn't work == 986 986 987 - 988 988 ((( 989 989 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. 990 990 ))) ... ... @@ -992,7 +992,6 @@ 992 992 993 993 == 5.3 Device rejoin in at the second uplink packet == 994 994 995 - 996 996 (% style="color:#4f81bd" %)**Issue describe as below:** 997 997 998 998 [[image:1654500909990-784.png]] ... ... @@ -1007,9 +1007,7 @@ 1007 1007 1008 1008 (% style="color:#4f81bd" %)**Solution: ** 1009 1009 1010 -((( 1011 1011 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 -))) 1013 1013 1014 1014 [[image:1654500929571-736.png||height="458" width="832"]] 1015 1015 ... ... @@ -1079,8 +1079,5 @@ 1079 1079 1080 1080 = 8. Support = 1081 1081 1082 - 1083 1083 * 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. 1084 1084 * 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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