Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/02 16:44
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... ... @@ -1,18 +1,24 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-20220606151504-2.jpeg||height=" 848" width="848"]]2 +[[image:image-20220606151504-2.jpeg||height="554" width="554"]] 3 3 4 4 5 5 6 +**Table of Contents:** 6 6 8 +{{toc/}} 7 7 8 8 9 9 10 10 13 + 14 + 11 11 = 1. Introduction = 12 12 13 13 == 1.1 What is LoRaWAN Soil Moisture & EC Sensor == 14 14 15 15 ((( 20 + 21 + 16 16 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. 17 17 ))) 18 18 ... ... @@ -54,6 +54,7 @@ 54 54 * IP66 Waterproof Enclosure 55 55 * 4000mAh or 8500mAh Battery for long term use 56 56 63 + 57 57 == 1.3 Specification == 58 58 59 59 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -85,7 +85,7 @@ 85 85 ))) 86 86 87 87 ((( 88 -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. UsingtheATCommands"]].95 +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"]]. 89 89 ))) 90 90 91 91 ... ... @@ -101,7 +101,7 @@ 101 101 The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server. 102 102 103 103 104 -**Step 1**: Create a device in TTN with the OTAA keys from LSE01. 111 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSE01. 105 105 106 106 Each LSE01 is shipped with a sticker with the default device EUI as below: 107 107 ... ... @@ -122,7 +122,7 @@ 122 122 123 123 124 124 125 -**Step 2**: Power on LSE01 132 +(% style="color:blue" %)**Step 2**(%%): Power on LSE01 126 126 127 127 128 128 Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position). ... ... @@ -130,7 +130,7 @@ 130 130 [[image:image-20220606163915-7.png]] 131 131 132 132 133 -**Step 3:** The LSE01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel. 140 +(% style="color:blue" %)**Step 3**(%%)**:** The LSE01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel. 134 134 135 135 [[image:1654504778294-788.png]] 136 136 ... ... @@ -138,30 +138,31 @@ 138 138 139 139 == 2.3 Uplink Payload == 140 140 148 + 141 141 === 2.3.1 MOD~=0(Default Mode) === 142 142 143 143 LSE01 will uplink payload via LoRaWAN with below payload format: 144 144 145 - 153 +((( 146 146 Uplink payload includes in total 11 bytes. 147 - 155 +))) 148 148 157 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 149 149 |((( 150 150 **Size** 151 151 152 152 **(bytes)** 153 153 )))|**2**|**2**|**2**|**2**|**2**|**1** 154 -|**Value**|[[BAT>> path:#bat]]|(((163 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 155 155 Temperature 156 156 157 157 (Reserve, Ignore now) 158 -)))|[[Soil Moisture>> path:#soil_moisture]]|[[Soil Temperature>>path:#soil_tem]]|[[Soil Conductivity (EC)>>path:#EC]]|(((167 +)))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]]|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]]|((( 159 159 MOD & Digital Interrupt 160 160 161 161 (Optional) 162 162 ))) 163 163 164 -[[image:1654504881641-514.png]] 165 165 166 166 167 167 ... ... @@ -169,55 +169,78 @@ 169 169 170 170 This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation). 171 171 180 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 172 172 |((( 173 173 **Size** 174 174 175 175 **(bytes)** 176 176 )))|**2**|**2**|**2**|**2**|**2**|**1** 177 -|**Value**|[[BAT>> path:#bat]]|(((186 +|**Value**|[[BAT>>||anchor="H2.3.3BatteryInfo"]]|((( 178 178 Temperature 179 179 180 180 (Reserve, Ignore now) 181 -)))|[[Soil Moisture>> path:#soil_moisture]](raw)|[[Soil Temperature>>path:#soil_tem]]|[[Soil Conductivity (EC)>>path:#EC]](raw)|(((190 +)))|[[Soil Moisture>>||anchor="H2.3.4SoilMoisture"]](raw)|[[Soil Temperature>>||anchor="H2.3.5SoilTemperature"]]|[[Soil Conductivity (EC)>>||anchor="H2.3.6SoilConductivity28EC29"]](raw)|((( 182 182 MOD & Digital Interrupt 183 183 184 184 (Optional) 185 185 ))) 186 186 187 -[[image:1654504907647-967.png]] 188 188 189 189 190 190 191 191 === 2.3.3 Battery Info === 192 192 201 +((( 193 193 Check the battery voltage for LSE01. 203 +))) 194 194 205 +((( 195 195 Ex1: 0x0B45 = 2885mV 207 +))) 196 196 209 +((( 197 197 Ex2: 0x0B49 = 2889mV 211 +))) 198 198 199 199 200 200 201 201 === 2.3.4 Soil Moisture === 202 202 217 +((( 203 203 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. 219 +))) 204 204 221 +((( 205 205 For example, if the data you get from the register is __0x05 0xDC__, the moisture content in the soil is 223 +))) 206 206 225 +((( 226 + 227 +))) 207 207 229 +((( 208 208 (% style="color:#4f81bd" %)**05DC(H) = 1500(D) /100 = 15%.** 231 +))) 209 209 210 210 211 211 212 212 === 2.3.5 Soil Temperature === 213 213 237 +((( 214 214 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 239 +))) 215 215 241 +((( 216 216 **Example**: 243 +))) 217 217 245 +((( 218 218 If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/100 = 2.61 °C 247 +))) 219 219 249 +((( 220 220 If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C 251 +))) 221 221 222 222 223 223 ... ... @@ -252,7 +252,7 @@ 252 252 mod=(bytes[10]>>7)&0x01=1. 253 253 254 254 255 -Downlink Command: 286 +**Downlink Command:** 256 256 257 257 If payload = 0x0A00, workmode=0 258 258 ... ... @@ -267,19 +267,21 @@ 267 267 268 268 [[image:1654505570700-128.png]] 269 269 301 +((( 270 270 The payload decoder function for TTN is here: 303 +))) 271 271 272 -LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]] 305 +((( 306 +LSE01 TTN Payload Decoder: [[https:~~/~~/www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0>>https://www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0]] 307 +))) 273 273 274 274 275 275 == 2.4 Uplink Interval == 276 276 277 -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: 312 +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"]] 278 278 279 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]] 280 280 281 281 282 - 283 283 == 2.5 Downlink Payload == 284 284 285 285 By default, LSE50 prints the downlink payload to console port. ... ... @@ -287,21 +287,41 @@ 287 287 [[image:image-20220606165544-8.png]] 288 288 289 289 323 +((( 290 290 **Examples:** 325 +))) 291 291 327 +((( 328 + 329 +))) 292 292 293 -* **Set TDC** 331 +* ((( 332 +**Set TDC** 333 +))) 294 294 335 +((( 295 295 If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01. 337 +))) 296 296 339 +((( 297 297 Payload: 01 00 00 1E TDC=30S 341 +))) 298 298 343 +((( 299 299 Payload: 01 00 00 3C TDC=60S 345 +))) 300 300 347 +((( 348 + 349 +))) 301 301 302 -* **Reset** 351 +* ((( 352 +**Reset** 353 +))) 303 303 355 +((( 304 304 If payload = 0x04FF, it will reset the LSE01 357 +))) 305 305 306 306 307 307 * **CFM** ... ... @@ -312,12 +312,21 @@ 312 312 313 313 == 2.6 Show Data in DataCake IoT Server == 314 314 368 +((( 315 315 [[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: 370 +))) 316 316 372 +((( 373 + 374 +))) 317 317 318 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 376 +((( 377 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 378 +))) 319 319 320 -**Step 2**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps: 380 +((( 381 +**Step 2**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps: 382 +))) 321 321 322 322 323 323 [[image:1654505857935-743.png]] ... ... @@ -325,9 +325,9 @@ 325 325 326 326 [[image:1654505874829-548.png]] 327 327 328 -Step 3: Create an account or log in Datacake. 390 +**Step 3:** Create an account or log in Datacake. 329 329 330 -Step 4: Search the LSE01 and add DevEUI. 392 +**Step 4: **Search the LSE01 and add DevEUI. 331 331 332 332 333 333 [[image:1654505905236-553.png]] ... ... @@ -625,8 +625,6 @@ 625 625 * Solid ON for 5 seconds once device successful Join the network. 626 626 * Blink once when device transmit a packet. 627 627 628 - 629 - 630 630 == 2.9 Installation in Soil == 631 631 632 632 **Measurement the soil surface** ... ... @@ -635,82 +635,110 @@ 635 635 [[image:1654506634463-199.png]] 636 636 637 637 ((( 698 +((( 638 638 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. 639 639 ))) 701 +))) 640 640 641 641 642 - 643 643 [[image:1654506665940-119.png]] 644 644 706 +((( 645 645 Dig a hole with diameter > 20CM. 708 +))) 646 646 710 +((( 647 647 Horizontal insert the probe to the soil and fill the hole for long term measurement. 712 +))) 648 648 649 649 650 650 == 2.10 Firmware Change Log == 651 651 717 +((( 652 652 **Firmware download link:** 719 +))) 653 653 721 +((( 654 654 [[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/]] 723 +))) 655 655 725 +((( 726 + 727 +))) 656 656 729 +((( 657 657 **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 731 +))) 658 658 733 +((( 734 + 735 +))) 659 659 737 +((( 660 660 **V1.0.** 739 +))) 661 661 741 +((( 662 662 Release 743 +))) 663 663 664 664 746 +== 2.11 Battery Analysis == 665 665 666 -1. 667 -11. Battery Analysis 668 -111. Battery Type 748 +=== 2.11.1 Battery Type === 669 669 750 +((( 670 670 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. 752 +))) 671 671 672 - 754 +((( 673 673 The battery is designed to last for more than 5 years for the LSN50. 756 +))) 674 674 758 +((( 759 +((( 760 +The battery-related documents are as below: 761 +))) 762 +))) 675 675 676 -The battery related documents as below: 677 - 678 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 679 -* [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]] 680 -* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 681 - 682 -|((( 683 -JST-XH-2P connector 764 +* ((( 765 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 684 684 ))) 767 +* ((( 768 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 769 +))) 770 +* ((( 771 +[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]] 772 +))) 685 685 686 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]774 + [[image:image-20220610172436-1.png]] 687 687 688 688 689 689 690 -1. 691 -11. 692 -111. Battery Note 778 +=== 2.11.2 Battery Note === 693 693 780 +((( 694 694 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. 782 +))) 695 695 696 696 697 -1. 698 -11. 699 -111. Replace the battery 700 700 786 +=== 2.11.3 Replace the battery === 787 + 788 +((( 701 701 If Battery is lower than 2.7v, user should replace the battery of LSE01. 790 +))) 702 702 703 - 792 +((( 704 704 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. 794 +))) 705 705 706 - 796 +((( 707 707 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) 798 +))) 708 708 709 709 710 710 711 - 712 - 713 - 714 714 = 3. Using the AT Commands = 715 715 716 716 == 3.1 Access AT Commands == ... ... @@ -718,13 +718,13 @@ 718 718 719 719 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. 720 720 721 -[[image:1654501986557-872.png]] 809 +[[image:1654501986557-872.png||height="391" width="800"]] 722 722 723 723 724 724 Or if you have below board, use below connection: 725 725 726 726 727 -[[image:1654502005655-729.png]] 815 +[[image:1654502005655-729.png||height="503" width="801"]] 728 728 729 729 730 730 ... ... @@ -731,7 +731,7 @@ 731 731 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: 732 732 733 733 734 - [[image:1654502050864-459.png]] 822 + [[image:1654502050864-459.png||height="564" width="806"]] 735 735 736 736 737 737 Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]] ... ... @@ -846,20 +846,38 @@ 846 846 847 847 == 4.1 How to change the LoRa Frequency Bands/Region? == 848 848 849 -You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]]. 937 +((( 938 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 850 850 When downloading the images, choose the required image file for download. 940 +))) 851 851 942 +((( 943 + 944 +))) 852 852 946 +((( 853 853 How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies. 948 +))) 854 854 950 +((( 951 + 952 +))) 855 855 954 +((( 856 856 You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA. 956 +))) 857 857 958 +((( 959 + 960 +))) 858 858 962 +((( 859 859 For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets. 964 +))) 860 860 861 861 [[image:image-20220606154726-3.png]] 862 862 968 + 863 863 When you use the TTN network, the US915 frequency bands use are: 864 864 865 865 * 903.9 - SF7BW125 to SF10BW125 ... ... @@ -872,7 +872,9 @@ 872 872 * 905.3 - SF7BW125 to SF10BW125 873 873 * 904.6 - SF8BW500 874 874 981 +((( 875 875 Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run: 983 +))) 876 876 877 877 (% class="box infomessage" %) 878 878 ((( ... ... @@ -884,10 +884,17 @@ 884 884 **ATZ** 885 885 ))) 886 886 995 +((( 887 887 to set the end node to work in 8 channel mode. The device will work in Channel 8-15 & 64-71 for OTAA, and channel 8-15 for Uplink. 997 +))) 888 888 999 +((( 1000 + 1001 +))) 889 889 1003 +((( 890 890 The **AU915** band is similar. Below are the AU915 Uplink Channels. 1005 +))) 891 891 892 892 [[image:image-20220606154825-4.png]] 893 893 ... ... @@ -902,7 +902,9 @@ 902 902 903 903 == 5.2 AT Command input doesn’t work == 904 904 1020 +((( 905 905 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. 1022 +))) 906 906 907 907 908 908 == 5.3 Device rejoin in at the second uplink packet == ... ... @@ -914,7 +914,9 @@ 914 914 915 915 (% style="color:#4f81bd" %)**Cause for this issue:** 916 916 1034 +((( 917 917 The fuse on LSE01 is not large enough, some of the soil probe require large current up to 5v 800mA, in a short pulse. When this happen, it cause the device reboot so user see rejoin. 1036 +))) 918 918 919 919 920 920 (% style="color:#4f81bd" %)**Solution: ** ... ... @@ -921,7 +921,7 @@ 921 921 922 922 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: 923 923 924 -[[image:1654500929571-736.png]] 1043 +[[image:1654500929571-736.png||height="458" width="832"]] 925 925 926 926 927 927 = 6. Order Info = ... ... @@ -946,10 +946,17 @@ 946 946 * (% style="color:red" %)**4**(%%): 4000mAh battery 947 947 * (% style="color:red" %)**8**(%%): 8500mAh battery 948 948 1068 +(% class="wikigeneratedid" %) 1069 +((( 1070 + 1071 +))) 1072 + 949 949 = 7. Packing Info = 950 950 951 951 ((( 952 -**Package Includes**: 1076 + 1077 + 1078 +(% style="color:#037691" %)**Package Includes**: 953 953 ))) 954 954 955 955 * ((( ... ... @@ -958,10 +958,8 @@ 958 958 959 959 ((( 960 960 961 -))) 962 962 963 -((( 964 -**Dimension and weight**: 1088 +(% style="color:#037691" %)**Dimension and weight**: 965 965 ))) 966 966 967 967 * ((( ... ... @@ -975,6 +975,8 @@ 975 975 ))) 976 976 * ((( 977 977 Weight / pcs : g 1102 + 1103 + 978 978 ))) 979 979 980 980 = 8. Support = ... ... @@ -981,5 +981,3 @@ 981 981 982 982 * 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. 983 983 * 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]] 984 - 985 -
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