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From version < 43.6 >
edited by Xiaoling
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Summary

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Title
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1 -SN50v3-LB LoRaWAN Sensor Node User Manual
1 +SN50v3-LB User Manual
Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
... ... @@ -1,5 +1,4 @@
1 -(% style="text-align:center" %)
2 -[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
1 +[[image:image-20230511201248-1.png||height="403" width="489"]]
3 3  
4 4  
5 5  
... ... @@ -16,15 +16,18 @@
16 16  
17 17  == 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
18 18  
19 -
20 20  (% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
21 21  
20 +
22 22  (% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
23 23  
23 +
24 24  (% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
25 25  
26 +
26 26  (% style="color:blue" %)**SN50V3-LB**(%%) has a built-in BLE module, user can configure the sensor remotely via Mobile Phone. It also support OTA upgrade via private LoRa protocol for easy maintaining.
27 27  
29 +
28 28  SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
29 29  
30 30  
... ... @@ -42,7 +42,6 @@
42 42  
43 43  == 1.3 Specification ==
44 44  
45 -
46 46  (% style="color:#037691" %)**Common DC Characteristics:**
47 47  
48 48  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
... ... @@ -79,7 +79,6 @@
79 79  
80 80  == 1.4 Sleep mode and working mode ==
81 81  
82 -
83 83  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
84 84  
85 85  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
... ... @@ -137,7 +137,6 @@
137 137  
138 138  == Hole Option ==
139 139  
140 -
141 141  SN50v3-LB has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
142 142  
143 143  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220627104757-1.png?rev=1.1||alt="image-20220627104757-1.png"]]
... ... @@ -291,16 +291,14 @@
291 291  
292 292  ==== 2.3.2.1  MOD~=1 (Default Mode) ====
293 293  
294 -
295 295  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
296 296  
297 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
298 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:191px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:78px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:216px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:308px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:154px;background-color:#D9E2F3;color:#0070C0" %)**2**
299 -|**Value**|Bat|(% style="width:191px" %)(((
295 +|**Size(bytes)**|**2**|**2**|**2**|(% style="width:216px" %)**1**|(% style="width:342px" %)**2**|(% style="width:171px" %)**2**
296 +|**Value**|Bat|(((
300 300  Temperature(DS18B20)
301 301  
302 302  (PC13)
303 -)))|(% style="width:78px" %)(((
300 +)))|(((
304 304  ADC
305 305  
306 306  (PA4)
... ... @@ -310,11 +310,11 @@
310 310  Digital Interrupt(PA8)
311 311  
312 312  
313 -)))|(% style="width:308px" %)(((
310 +)))|(% style="width:342px" %)(((
314 314  Temperature
315 315  
316 316  (SHT20 or SHT31 or BH1750 Illumination Sensor)
317 -)))|(% style="width:154px" %)(((
314 +)))|(% style="width:171px" %)(((
318 318  Humidity
319 319  
320 320  (SHT20 or SHT31)
... ... @@ -327,26 +327,25 @@
327 327  
328 328  This mode is target to measure the distance. The payload of this mode is totally 11 bytes. The 8^^th^^ and 9^^th^^ bytes is for the distance.
329 329  
330 -(% style="width:1011px" %)
331 -|**Size(bytes)**|**2**|(% style="width:196px" %)**2**|(% style="width:87px" %)**2**|(% style="width:189px" %)**1**|(% style="width:208px" %)**2**|(% style="width:117px" %)**2**
332 -|**Value**|BAT|(% style="width:196px" %)(((
327 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
328 +|**Value**|BAT|(((
333 333  Temperature(DS18B20)
334 334  
335 335  (PC13)
336 -)))|(% style="width:87px" %)(((
332 +)))|(((
337 337  ADC
338 338  
339 339  (PA4)
340 -)))|(% style="width:189px" %)(((
336 +)))|(((
341 341  Digital in(PB15) &
342 342  
343 343  Digital Interrupt(PA8)
344 -)))|(% style="width:208px" %)(((
340 +)))|(((
345 345  Distance measure by:
346 346  1) LIDAR-Lite V3HP
347 347  Or
348 348  2) Ultrasonic Sensor
349 -)))|(% style="width:117px" %)Reserved
345 +)))|Reserved
350 350  
351 351  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]]
352 352  
... ... @@ -362,25 +362,24 @@
362 362  
363 363  For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
364 364  
365 -(% style="width:1113px" %)
366 -|**Size(bytes)**|**2**|(% style="width:183px" %)**2**|(% style="width:173px" %)**1**|(% style="width:84px" %)**2**|(% style="width:323px" %)**2**|(% style="width:188px" %)**2**
367 -|**Value**|BAT|(% style="width:183px" %)(((
361 +|**Size(bytes)**|**2**|**2**|**1**|**2**|**2**|**2**
362 +|**Value**|BAT|(((
368 368  Temperature(DS18B20)
369 369  
370 370  (PC13)
371 -)))|(% style="width:173px" %)(((
366 +)))|(((
372 372  Digital in(PB15) &
373 373  
374 374  Digital Interrupt(PA8)
375 -)))|(% style="width:84px" %)(((
370 +)))|(((
376 376  ADC
377 377  
378 378  (PA4)
379 -)))|(% style="width:323px" %)(((
374 +)))|(((
380 380  Distance measure by:1)TF-Mini plus LiDAR
381 381  Or 
382 382  2) TF-Luna LiDAR
383 -)))|(% style="width:188px" %)Distance signal  strength
378 +)))|Distance signal  strength
384 384  
385 385  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]]
386 386  
... ... @@ -456,7 +456,7 @@
456 456  
457 457  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656377606181-607.png?rev=1.1||alt="1656377606181-607.png"]]
458 458  
459 -[[image:image-20230513134006-1.png||height="559" width="736"]]
454 +[[image:image-20230513134006-1.png||height="743" width="978"]]
460 460  
461 461  
462 462  ==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
... ... @@ -479,25 +479,25 @@
479 479  
480 480  Check the response of this command and adjust the value to match the real value for thing.
481 481  
482 -(% style="width:767px" %)
477 +(% style="width:982px" %)
483 483  |=(((
484 484  **Size(bytes)**
485 -)))|=**2**|=(% style="width: 193px;" %)**2**|=(% style="width: 85px;" %)**2**|=(% style="width: 186px;" %)**1**|=(% style="width: 100px;" %)**4**
486 -|**Value**|BAT|(% style="width:193px" %)(((
480 +)))|=**2**|=(% style="width: 282px;" %)**2**|=(% style="width: 119px;" %)**2**|=(% style="width: 279px;" %)**1**|=(% style="width: 106px;" %)**4**
481 +|**Value**|BAT|(% style="width:282px" %)(((
487 487  Temperature(DS18B20)
488 488  
489 489  (PC13)
490 490  
491 491  
492 -)))|(% style="width:85px" %)(((
487 +)))|(% style="width:119px" %)(((
493 493  ADC
494 494  
495 495  (PA4)
496 -)))|(% style="width:186px" %)(((
491 +)))|(% style="width:279px" %)(((
497 497  Digital in(PB15) &
498 498  
499 499  Digital Interrupt(PA8)
500 -)))|(% style="width:100px" %)Weight
495 +)))|(% style="width:106px" %)Weight
501 501  
502 502  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
503 503  
... ... @@ -537,30 +537,29 @@
537 537  
538 538  ==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
539 539  
540 -(% style="width:1108px" %)
541 541  |=(((
542 542  **Size(bytes)**
543 -)))|=**2**|=(% style="width: 188px;" %)**2**|=(% style="width: 83px;" %)**2**|=(% style="width: 184px;" %)**1**|=(% style="width: 186px;" %)**1**|=(% style="width: 197px;" %)1|=(% style="width: 100px;" %)2
544 -|**Value**|BAT|(% style="width:188px" %)(((
537 +)))|=**2**|=**2**|=**2**|=**1**|=**1**|=1|=2
538 +|**Value**|BAT|(((
545 545  Temperature(DS18B20)
546 546  
547 547  (PC13)
548 -)))|(% style="width:83px" %)(((
542 +)))|(((
549 549  ADC
550 550  
551 551  (PA5)
552 -)))|(% style="width:184px" %)(((
546 +)))|(((
553 553  Digital Interrupt1(PA8)
554 -)))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved
548 +)))|Digital Interrupt2(PA4)|Digital Interrupt3(PB15)|Reserved
555 555  
556 556  [[image:image-20230513111203-7.png||height="324" width="975"]]
557 557  
558 558  ==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
559 559  
560 -(% style="width:922px" %)
554 +(% style="width:917px" %)
561 561  |=(((
562 562  **Size(bytes)**
563 -)))|=**2**|=(% style="width: 207px;" %)**2**|=(% style="width: 94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width: 84px;" %)**2**|=(% style="width: 82px;" %)2
557 +)))|=**2**|=(% style="width: 207px;" %)**2**|=(% style="width: 94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width: 84px;" %)**2**|=(% style="width: 79px;" %)2
564 564  |**Value**|BAT|(% style="width:207px" %)(((
565 565  Temperature(DS18B20)
566 566  
... ... @@ -575,7 +575,7 @@
575 575  ADC2
576 576  
577 577  (PA5)
578 -)))|(% style="width:82px" %)(((
572 +)))|(% style="width:79px" %)(((
579 579  ADC3
580 580  
581 581  (PA8)
... ... @@ -656,7 +656,7 @@
656 656  
657 657  ==== 2.3.3.2  Temperature (DS18B20) ====
658 658  
659 -If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
653 +If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
660 660  
661 661  More DS18B20 can check the [[3 DS18B20 mode>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]]
662 662  
... ... @@ -685,8 +685,6 @@
685 685  When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
686 686  
687 687  **Note:**The maximum voltage input supports 3.6V.
688 -
689 -
690 690  )))
691 691  
692 692  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
... ... @@ -699,7 +699,6 @@
699 699  
700 700  **Note:**If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.
701 701  
702 -
703 703  ==== 2.3.3.5 Digital Interrupt ====
704 704  
705 705  Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
... ... @@ -756,14 +756,14 @@
756 756  
757 757  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
758 758  
759 -We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
750 +We have made an example to show how to use the I2C interface to connect to the SHT20 Temperature and Humidity Sensor.
760 760  
761 -Notice: Different I2C sensors have different I2C commands set and initiate process, if user want to use other I2C sensors, User need to re-write the source code to support those sensors. SHT20/ SHT31 code in SN50_v3 will be a good reference.
752 +Notice: Different I2C sensors have different I2C commands set and initiate process, if user want to use other I2C sensors, User need to re-write the source code to support those sensors. SHT20 code in SN50_v3 will be a good reference.
762 762  
763 763  Below is the connection to SHT20/ SHT31. The connection is as below:
764 764  
765 765  
766 -[[image:image-20230513103633-3.png||height="448" width="716"]]
757 +[[image:image-20230513103633-3.png||height="636" width="1017"]]
767 767  
768 768  The device will be able to get the I2C sensor data now and upload to IoT Server.
769 769  
... ... @@ -830,9 +830,9 @@
830 830  
831 831  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
832 832  
833 -[[image:image-20230512172447-4.png||height="416" width="712"]]
824 +[[image:image-20230512172447-4.png||height="593" width="1015"]]
834 834  
835 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]]
826 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png"]]
836 836  
837 837  
838 838  ==== 2.3.3.12  Working MOD ====
... ... @@ -853,8 +853,6 @@
853 853  * 7: MOD8
854 854  * 8: MOD9
855 855  
856 -== ==
857 -
858 858  == 2.4 Payload Decoder file ==
859 859  
860 860  
... ... @@ -862,7 +862,7 @@
862 862  
863 863  In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
864 864  
865 -[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB]]
854 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
866 866  
867 867  
868 868  
... ... @@ -906,6 +906,7 @@
906 906  
907 907  === 3.3.1 Set Transmit Interval Time ===
908 908  
898 +
909 909  Feature: Change LoRaWAN End Node Transmit Interval.
910 910  
911 911  (% style="color:blue" %)**AT Command: AT+TDC**
... ... @@ -931,11 +931,9 @@
931 931  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
932 932  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
933 933  
934 -=== ===
935 -
936 936  === 3.3.2 Get Device Status ===
937 937  
938 -Send a LoRaWAN downlink to ask the device to send its status.
926 +Send a LoRaWAN downlink to ask device send Alarm settings.
939 939  
940 940  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
941 941  
... ... @@ -944,6 +944,7 @@
944 944  
945 945  === 3.3.3 Set Interrupt Mode ===
946 946  
935 +
947 947  Feature, Set Interrupt mode for GPIO_EXIT.
948 948  
949 949  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
... ... @@ -980,8 +980,6 @@
980 980  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
981 981  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
982 982  
983 -=== ===
984 -
985 985  === 3.3.4 Set Power Output Duration ===
986 986  
987 987  Control the output duration 5V . Before each sampling, device will
... ... @@ -1011,11 +1011,9 @@
1011 1011  
1012 1012  The first and second bytes are the time to turn on.
1013 1013  
1014 -* Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1015 -* Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1001 +* Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1002 +* Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1016 1016  
1017 -=== ===
1018 -
1019 1019  === 3.3.5 Set Weighing parameters ===
1020 1020  
1021 1021  Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
... ... @@ -1030,6 +1030,7 @@
1030 1030  
1031 1031  (% style="color:blue" %)**Downlink Command: 0x08**
1032 1032  
1018 +
1033 1033  Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
1034 1034  
1035 1035  Use AT+WEIGRE when the first byte is 1, only 1 byte. When it is 2, use AT+WEIGAP, there are 3 bytes.
... ... @@ -1040,8 +1040,6 @@
1040 1040  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1041 1041  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1042 1042  
1043 -=== ===
1044 -
1045 1045  === 3.3.6 Set Digital pulse count value ===
1046 1046  
1047 1047  Feature: Set the pulse count value.
... ... @@ -1057,6 +1057,7 @@
1057 1057  
1058 1058  (% style="color:blue" %)**Downlink Command: 0x09**
1059 1059  
1044 +
1060 1060  Format: Command Code (0x09) followed by 5 bytes.
1061 1061  
1062 1062  The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
... ... @@ -1064,8 +1064,6 @@
1064 1064  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1065 1065  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1066 1066  
1067 -=== ===
1068 -
1069 1069  === 3.3.7 Set Workmode ===
1070 1070  
1071 1071  Feature: Switch working mode.
... ... @@ -1085,13 +1085,12 @@
1085 1085  
1086 1086  (% style="color:blue" %)**Downlink Command: 0x0A**
1087 1087  
1071 +
1088 1088  Format: Command Code (0x0A) followed by 1 bytes.
1089 1089  
1090 1090  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1091 1091  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1092 1092  
1093 -= =
1094 -
1095 1095  = 4. Battery & Power Consumption =
1096 1096  
1097 1097  
... ... @@ -1165,4 +1165,4 @@
1165 1165  
1166 1166  
1167 1167  * 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.
1168 -* 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.cc>>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.cc]]
1150 +* 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]]
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