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 ... ... @@ -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"]].94 +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. 110 +(% 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 131 +(% 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. 139 +(% 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 ... ... @@ -138,86 +138,108 @@ 138 138 139 139 == 2.3 Uplink Payload == 140 140 147 + 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 - 152 +((( 146 146 Uplink payload includes in total 11 bytes. 147 - 154 +))) 148 148 156 +(% 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]]|(((162 +|**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]]|(((166 +)))|[[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 - 168 168 === 2.3.2 MOD~=1(Original value) === 169 169 170 170 This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation). 171 171 178 +(% 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]]|(((184 +|**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)|(((188 +)))|[[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 - 191 191 === 2.3.3 Battery Info === 192 192 198 +((( 193 193 Check the battery voltage for LSE01. 200 +))) 194 194 202 +((( 195 195 Ex1: 0x0B45 = 2885mV 204 +))) 196 196 206 +((( 197 197 Ex2: 0x0B49 = 2889mV 208 +))) 198 198 199 199 200 200 201 201 === 2.3.4 Soil Moisture === 202 202 214 +((( 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. 216 +))) 204 204 218 +((( 205 205 For example, if the data you get from the register is __0x05 0xDC__, the moisture content in the soil is 220 +))) 206 206 222 +((( 223 + 224 +))) 207 207 226 +((( 208 208 (% style="color:#4f81bd" %)**05DC(H) = 1500(D) /100 = 15%.** 228 +))) 209 209 210 210 211 211 212 212 === 2.3.5 Soil Temperature === 213 213 234 +((( 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 236 +))) 215 215 238 +((( 216 216 **Example**: 240 +))) 217 217 242 +((( 218 218 If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/100 = 2.61 °C 244 +))) 219 219 246 +((( 220 220 If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C 248 +))) 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: 283 +**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]] 269 269 298 +((( 270 270 The payload decoder function for TTN is here: 300 +))) 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/]] 302 +((( 303 +LSE01 TTN Payload Decoder: [[https:~~/~~/www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0>>https://www.dropbox.com/sh/si8icbrjlamxqdb/AAACYwjsxxr5fj_vpqRtrETAa?dl=0]] 304 +))) 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: 309 +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]] 288 288 289 289 320 +((( 290 290 **Examples:** 322 +))) 291 291 324 +((( 325 + 326 +))) 292 292 293 -* **Set TDC** 328 +* ((( 329 +**Set TDC** 330 +))) 294 294 332 +((( 295 295 If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01. 334 +))) 296 296 336 +((( 297 297 Payload: 01 00 00 1E TDC=30S 338 +))) 298 298 340 +((( 299 299 Payload: 01 00 00 3C TDC=60S 342 +))) 300 300 344 +((( 345 + 346 +))) 301 301 302 -* **Reset** 348 +* ((( 349 +**Reset** 350 +))) 303 303 352 +((( 304 304 If payload = 0x04FF, it will reset the LSE01 354 +))) 305 305 306 306 307 307 * **CFM** ... ... @@ -312,12 +312,21 @@ 312 312 313 313 == 2.6 Show Data in DataCake IoT Server == 314 314 365 +((( 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: 367 +))) 316 316 369 +((( 370 + 371 +))) 317 317 318 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 373 +((( 374 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 375 +))) 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: 377 +((( 378 +(% style="color:blue" %)**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: 379 +))) 321 321 322 322 323 323 [[image:1654505857935-743.png]] ... ... @@ -325,11 +325,12 @@ 325 325 326 326 [[image:1654505874829-548.png]] 327 327 328 -Step 3: Create an account or log in Datacake. 329 329 330 -Step 4:SearchtheLSE01andaddDevEUI.388 +(% style="color:blue" %)**Step 3**(%%)**:** Create an account or log in Datacake. 331 331 390 +(% style="color:blue" %)**Step 4**(%%)**:** Search the LSE01 and add DevEUI. 332 332 392 + 333 333 [[image:1654505905236-553.png]] 334 334 335 335 ... ... @@ -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** ... ... @@ -635,87 +635,110 @@ 635 635 [[image:1654506634463-199.png]] 636 636 637 637 ((( 696 +((( 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 ))) 699 +))) 640 640 641 641 642 - 643 643 [[image:1654506665940-119.png]] 644 644 704 +((( 645 645 Dig a hole with diameter > 20CM. 706 +))) 646 646 708 +((( 647 647 Horizontal insert the probe to the soil and fill the hole for long term measurement. 710 +))) 648 648 649 649 713 +== 2.10 Firmware Change Log == 650 650 651 - 652 -1. 653 -11. Firmware Change Log 654 - 715 +((( 655 655 **Firmware download link:** 717 +))) 656 656 719 +((( 657 657 [[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/]] 721 +))) 658 658 723 +((( 724 + 725 +))) 659 659 660 -**Firmware Upgrade Method:** 727 +((( 728 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]] 729 +))) 661 661 662 -[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]] 731 +((( 732 + 733 +))) 663 663 664 - 735 +((( 665 665 **V1.0.** 737 +))) 666 666 739 +((( 667 667 Release 741 +))) 668 668 669 669 744 +== 2.11 Battery Analysis == 670 670 671 -1. 672 -11. Battery Analysis 673 -111. Battery Type 746 +=== 2.11.1 Battery Type === 674 674 748 +((( 675 675 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. 750 +))) 676 676 677 - 752 +((( 678 678 The battery is designed to last for more than 5 years for the LSN50. 754 +))) 679 679 756 +((( 757 +((( 758 +The battery-related documents are as below: 759 +))) 760 +))) 680 680 681 -The battery related documents as below: 682 - 683 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 684 -* [[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]] 685 -* [[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]] 686 - 687 -|((( 688 -JST-XH-2P connector 762 +* ((( 763 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 689 689 ))) 765 +* ((( 766 +[[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], 767 +))) 768 +* ((( 769 +[[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]] 770 +))) 690 690 691 -[[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]]772 + [[image:image-20220610172436-1.png]] 692 692 693 693 694 694 695 -1. 696 -11. 697 -111. Battery Note 776 +=== 2.11.2 Battery Note === 698 698 778 +((( 699 699 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. 780 +))) 700 700 701 701 702 -1. 703 -11. 704 -111. Replace the battery 705 705 784 +=== 2.11.3 Replace the battery === 785 + 786 +((( 706 706 If Battery is lower than 2.7v, user should replace the battery of LSE01. 788 +))) 707 707 708 - 790 +((( 709 709 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. 792 +))) 710 710 711 - 794 +((( 712 712 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) 796 +))) 713 713 714 714 715 715 716 - 717 - 718 - 719 719 = 3. Using the AT Commands = 720 720 721 721 == 3.1 Access AT Commands == ... ... @@ -723,13 +723,13 @@ 723 723 724 724 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. 725 725 726 -[[image:1654501986557-872.png]] 807 +[[image:1654501986557-872.png||height="391" width="800"]] 727 727 728 728 729 729 Or if you have below board, use below connection: 730 730 731 731 732 -[[image:1654502005655-729.png]] 813 +[[image:1654502005655-729.png||height="503" width="801"]] 733 733 734 734 735 735 ... ... @@ -736,7 +736,7 @@ 736 736 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: 737 737 738 738 739 - [[image:1654502050864-459.png]] 820 + [[image:1654502050864-459.png||height="564" width="806"]] 740 740 741 741 742 742 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/]] ... ... @@ -851,20 +851,38 @@ 851 851 852 852 == 4.1 How to change the LoRa Frequency Bands/Region? == 853 853 854 -You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]]. 935 +((( 936 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 855 855 When downloading the images, choose the required image file for download. 938 +))) 856 856 940 +((( 941 + 942 +))) 857 857 944 +((( 858 858 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. 946 +))) 859 859 948 +((( 949 + 950 +))) 860 860 952 +((( 861 861 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. 954 +))) 862 862 956 +((( 957 + 958 +))) 863 863 960 +((( 864 864 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. 962 +))) 865 865 866 866 [[image:image-20220606154726-3.png]] 867 867 966 + 868 868 When you use the TTN network, the US915 frequency bands use are: 869 869 870 870 * 903.9 - SF7BW125 to SF10BW125 ... ... @@ -877,7 +877,9 @@ 877 877 * 905.3 - SF7BW125 to SF10BW125 878 878 * 904.6 - SF8BW500 879 879 979 +((( 880 880 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: 981 +))) 881 881 882 882 (% class="box infomessage" %) 883 883 ((( ... ... @@ -889,10 +889,17 @@ 889 889 **ATZ** 890 890 ))) 891 891 993 +((( 892 892 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. 995 +))) 893 893 997 +((( 998 + 999 +))) 894 894 1001 +((( 895 895 The **AU915** band is similar. Below are the AU915 Uplink Channels. 1003 +))) 896 896 897 897 [[image:image-20220606154825-4.png]] 898 898 ... ... @@ -907,7 +907,9 @@ 907 907 908 908 == 5.2 AT Command input doesn’t work == 909 909 1018 +((( 910 910 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. 1020 +))) 911 911 912 912 913 913 == 5.3 Device rejoin in at the second uplink packet == ... ... @@ -919,7 +919,9 @@ 919 919 920 920 (% style="color:#4f81bd" %)**Cause for this issue:** 921 921 1032 +((( 922 922 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. 1034 +))) 923 923 924 924 925 925 (% style="color:#4f81bd" %)**Solution: ** ... ... @@ -926,7 +926,7 @@ 926 926 927 927 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: 928 928 929 -[[image:1654500929571-736.png]] 1041 +[[image:1654500929571-736.png||height="458" width="832"]] 930 930 931 931 932 932 = 6. Order Info = ... ... @@ -951,10 +951,17 @@ 951 951 * (% style="color:red" %)**4**(%%): 4000mAh battery 952 952 * (% style="color:red" %)**8**(%%): 8500mAh battery 953 953 1066 +(% class="wikigeneratedid" %) 1067 +((( 1068 + 1069 +))) 1070 + 954 954 = 7. Packing Info = 955 955 956 956 ((( 957 -**Package Includes**: 1074 + 1075 + 1076 +(% style="color:#037691" %)**Package Includes**: 958 958 ))) 959 959 960 960 * ((( ... ... @@ -963,10 +963,8 @@ 963 963 964 964 ((( 965 965 966 -))) 967 967 968 -((( 969 -**Dimension and weight**: 1086 +(% style="color:#037691" %)**Dimension and weight**: 970 970 ))) 971 971 972 972 * ((( ... ... @@ -980,6 +980,8 @@ 980 980 ))) 981 981 * ((( 982 982 Weight / pcs : g 1100 + 1101 + 983 983 ))) 984 984 985 985 = 8. Support = ... ... @@ -986,5 +986,3 @@ 986 986 987 987 * 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. 988 988 * 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]] 989 - 990 -
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