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From version < 38.1 >
edited by Saxer Lin
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -SN50v3-LB User Manual
1 +SN50v3-LB LoRaWAN Sensor Node User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Saxer
1 +XWiki.Xiaoling
Content
... ... @@ -1,4 +1,5 @@
1 -[[image:image-20230511201248-1.png||height="403" width="489"]]
1 +(% style="text-align:center" %)
2 +[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
2 2  
3 3  
4 4  
... ... @@ -15,18 +15,15 @@
15 15  
16 16  == 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
17 17  
19 +
18 18  (% 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.
19 19  
20 -
21 21  (% 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.
22 22  
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 -
27 27  (% 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.
28 28  
29 -
30 30  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.
31 31  
32 32  
... ... @@ -44,6 +44,7 @@
44 44  
45 45  == 1.3 Specification ==
46 46  
45 +
47 47  (% style="color:#037691" %)**Common DC Characteristics:**
48 48  
49 49  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
... ... @@ -80,6 +80,7 @@
80 80  
81 81  == 1.4 Sleep mode and working mode ==
82 82  
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.
... ... @@ -137,6 +137,7 @@
137 137  
138 138  == Hole Option ==
139 139  
140 +
140 140  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:
141 141  
142 142  [[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"]]
... ... @@ -290,30 +290,25 @@
290 290  
291 291  ==== 2.3.2.1  MOD~=1 (Default Mode) ====
292 292  
294 +
293 293  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
294 294  
295 -|**Size(bytes)**|**2**|**2**|**2**|(% style="width:216px" %)**1**|(% style="width:342px" %)**2**|(% style="width:171px" %)**2**
296 -|**Value**|Bat|(((
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" %)(((
297 297  Temperature(DS18B20)
298 -
299 299  (PC13)
300 -)))|(((
302 +)))|(% style="width:78px" %)(((
301 301  ADC
302 -
303 303  (PA4)
304 304  )))|(% style="width:216px" %)(((
305 305  Digital in(PB15) &
306 -
307 -Digital Interrupt(PA8)
308 -
309 -
310 -)))|(% style="width:342px" %)(((
307 +Digital Interrupt(PA8)
308 +)))|(% style="width:308px" %)(((
311 311  Temperature
312 -
313 313  (SHT20 or SHT31 or BH1750 Illumination Sensor)
314 -)))|(% style="width:171px" %)(((
311 +)))|(% style="width:154px" %)(((
315 315  Humidity
316 -
317 317  (SHT20 or SHT31)
318 318  )))
319 319  
... ... @@ -324,25 +324,26 @@
324 324  
325 325  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.
326 326  
327 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
328 -|**Value**|BAT|(((
323 +(% style="width:1011px" %)
324 +|**Size(bytes)**|**2**|(% style="width:196px" %)**2**|(% style="width:87px" %)**2**|(% style="width:189px" %)**1**|(% style="width:208px" %)**2**|(% style="width:117px" %)**2**
325 +|**Value**|BAT|(% style="width:196px" %)(((
329 329  Temperature(DS18B20)
330 330  
331 331  (PC13)
332 -)))|(((
329 +)))|(% style="width:87px" %)(((
333 333  ADC
334 334  
335 335  (PA4)
336 -)))|(((
333 +)))|(% style="width:189px" %)(((
337 337  Digital in(PB15) &
338 338  
339 339  Digital Interrupt(PA8)
340 -)))|(((
337 +)))|(% style="width:208px" %)(((
341 341  Distance measure by:
342 342  1) LIDAR-Lite V3HP
343 343  Or
344 344  2) Ultrasonic Sensor
345 -)))|Reserved
342 +)))|(% style="width:117px" %)Reserved
346 346  
347 347  [[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"]]
348 348  
... ... @@ -358,24 +358,25 @@
358 358  
359 359  For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
360 360  
361 -|**Size(bytes)**|**2**|**2**|**1**|**2**|**2**|**2**
362 -|**Value**|BAT|(((
358 +(% style="width:1113px" %)
359 +|**Size(bytes)**|**2**|(% style="width:183px" %)**2**|(% style="width:173px" %)**1**|(% style="width:84px" %)**2**|(% style="width:323px" %)**2**|(% style="width:188px" %)**2**
360 +|**Value**|BAT|(% style="width:183px" %)(((
363 363  Temperature(DS18B20)
364 364  
365 365  (PC13)
366 -)))|(((
364 +)))|(% style="width:173px" %)(((
367 367  Digital in(PB15) &
368 368  
369 369  Digital Interrupt(PA8)
370 -)))|(((
368 +)))|(% style="width:84px" %)(((
371 371  ADC
372 372  
373 373  (PA4)
374 -)))|(((
372 +)))|(% style="width:323px" %)(((
375 375  Distance measure by:1)TF-Mini plus LiDAR
376 376  Or 
377 377  2) TF-Luna LiDAR
378 -)))|Distance signal  strength
376 +)))|(% style="width:188px" %)Distance signal  strength
379 379  
380 380  [[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"]]
381 381  
... ... @@ -429,7 +429,6 @@
429 429  
430 430  ==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
431 431  
432 -[[image:image-20230512170701-3.png||height="565" width="743"]]
433 433  
434 434  This mode has total 11 bytes. As shown below:
435 435  
... ... @@ -452,7 +452,9 @@
452 452  
453 453  [[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"]]
454 454  
452 +[[image:image-20230513134006-1.png||height="559" width="736"]]
455 455  
454 +
456 456  ==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
457 457  
458 458  [[image:image-20230512164658-2.png||height="532" width="729"]]
... ... @@ -473,25 +473,25 @@
473 473  
474 474  Check the response of this command and adjust the value to match the real value for thing.
475 475  
476 -(% style="width:982px" %)
475 +(% style="width:767px" %)
477 477  |=(((
478 478  **Size(bytes)**
479 -)))|=**2**|=(% style="width: 282px;" %)**2**|=(% style="width: 119px;" %)**2**|=(% style="width: 279px;" %)**1**|=(% style="width: 106px;" %)**4**
480 -|**Value**|BAT|(% style="width:282px" %)(((
478 +)))|=**2**|=(% style="width: 193px;" %)**2**|=(% style="width: 85px;" %)**2**|=(% style="width: 186px;" %)**1**|=(% style="width: 100px;" %)**4**
479 +|**Value**|BAT|(% style="width:193px" %)(((
481 481  Temperature(DS18B20)
482 482  
483 483  (PC13)
484 484  
485 485  
486 -)))|(% style="width:119px" %)(((
485 +)))|(% style="width:85px" %)(((
487 487  ADC
488 488  
489 489  (PA4)
490 -)))|(% style="width:279px" %)(((
489 +)))|(% style="width:186px" %)(((
491 491  Digital in(PB15) &
492 492  
493 493  Digital Interrupt(PA8)
494 -)))|(% style="width:106px" %)Weight
493 +)))|(% style="width:100px" %)Weight
495 495  
496 496  [[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"]]
497 497  
... ... @@ -531,29 +531,30 @@
531 531  
532 532  ==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
533 533  
533 +(% style="width:1108px" %)
534 534  |=(((
535 535  **Size(bytes)**
536 -)))|=**2**|=**2**|=**2**|=**1**|=**1**|=1|=2
537 -|**Value**|BAT|(((
536 +)))|=**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
537 +|**Value**|BAT|(% style="width:188px" %)(((
538 538  Temperature(DS18B20)
539 539  
540 540  (PC13)
541 -)))|(((
541 +)))|(% style="width:83px" %)(((
542 542  ADC
543 543  
544 544  (PA5)
545 -)))|(((
545 +)))|(% style="width:184px" %)(((
546 546  Digital Interrupt1(PA8)
547 -)))|Digital Interrupt2(PA4)|Digital Interrupt3(PB15)|Reserved
547 +)))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved
548 548  
549 549  [[image:image-20230513111203-7.png||height="324" width="975"]]
550 550  
551 551  ==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
552 552  
553 -(% style="width:917px" %)
553 +(% style="width:922px" %)
554 554  |=(((
555 555  **Size(bytes)**
556 -)))|=**2**|=(% style="width: 207px;" %)**2**|=(% style="width: 94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width: 84px;" %)**2**|=(% style="width: 79px;" %)2
556 +)))|=**2**|=(% style="width: 207px;" %)**2**|=(% style="width: 94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width: 84px;" %)**2**|=(% style="width: 82px;" %)2
557 557  |**Value**|BAT|(% style="width:207px" %)(((
558 558  Temperature(DS18B20)
559 559  
... ... @@ -568,7 +568,7 @@
568 568  ADC2
569 569  
570 570  (PA5)
571 -)))|(% style="width:79px" %)(((
571 +)))|(% style="width:82px" %)(((
572 572  ADC3
573 573  
574 574  (PA8)
... ... @@ -649,7 +649,7 @@
649 649  
650 650  ==== 2.3.3.2  Temperature (DS18B20) ====
651 651  
652 -If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
652 +If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
653 653  
654 654  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]]
655 655  
... ... @@ -678,6 +678,8 @@
678 678  When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
679 679  
680 680  **Note:**The maximum voltage input supports 3.6V.
681 +
682 +
681 681  )))
682 682  
683 683  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
... ... @@ -690,6 +690,7 @@
690 690  
691 691  **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.
692 692  
695 +
693 693  ==== 2.3.3.5 Digital Interrupt ====
694 694  
695 695  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.
... ... @@ -746,14 +746,14 @@
746 746  
747 747  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
748 748  
749 -We have made an example to show how to use the I2C interface to connect to the SHT20 Temperature and Humidity Sensor.
752 +We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
750 750  
751 -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.
754 +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.
752 752  
753 753  Below is the connection to SHT20/ SHT31. The connection is as below:
754 754  
755 755  
756 -[[image:image-20230513103633-3.png||height="636" width="1017"]]
759 +[[image:image-20230513103633-3.png||height="448" width="716"]]
757 757  
758 758  The device will be able to get the I2C sensor data now and upload to IoT Server.
759 759  
... ... @@ -820,9 +820,9 @@
820 820  
821 821  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
822 822  
823 -[[image:image-20230512172447-4.png||height="593" width="1015"]]
826 +[[image:image-20230512172447-4.png||height="416" width="712"]]
824 824  
825 -[[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"]]
828 +[[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"]]
826 826  
827 827  
828 828  ==== 2.3.3.12  Working MOD ====
... ... @@ -843,6 +843,8 @@
843 843  * 7: MOD8
844 844  * 8: MOD9
845 845  
849 +== ==
850 +
846 846  == 2.4 Payload Decoder file ==
847 847  
848 848  
... ... @@ -850,7 +850,7 @@
850 850  
851 851  In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
852 852  
853 -[[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]]
858 +[[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]]
854 854  
855 855  
856 856  
... ... @@ -894,7 +894,6 @@
894 894  
895 895  === 3.3.1 Set Transmit Interval Time ===
896 896  
897 -
898 898  Feature: Change LoRaWAN End Node Transmit Interval.
899 899  
900 900  (% style="color:blue" %)**AT Command: AT+TDC**
... ... @@ -920,9 +920,11 @@
920 920  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
921 921  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
922 922  
927 +=== ===
928 +
923 923  === 3.3.2 Get Device Status ===
924 924  
925 -Send a LoRaWAN downlink to ask device send Alarm settings.
931 +Send a LoRaWAN downlink to ask the device to send its status.
926 926  
927 927  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
928 928  
... ... @@ -931,7 +931,6 @@
931 931  
932 932  === 3.3.3 Set Interrupt Mode ===
933 933  
934 -
935 935  Feature, Set Interrupt mode for GPIO_EXIT.
936 936  
937 937  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
... ... @@ -968,6 +968,8 @@
968 968  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
969 969  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
970 970  
976 +=== ===
977 +
971 971  === 3.3.4 Set Power Output Duration ===
972 972  
973 973  Control the output duration 5V . Before each sampling, device will
... ... @@ -997,9 +997,11 @@
997 997  
998 998  The first and second bytes are the time to turn on.
999 999  
1000 -* Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1001 -* Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1007 +* Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1008 +* Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1002 1002  
1010 +=== ===
1011 +
1003 1003  === 3.3.5 Set Weighing parameters ===
1004 1004  
1005 1005  Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
... ... @@ -1014,7 +1014,6 @@
1014 1014  
1015 1015  (% style="color:blue" %)**Downlink Command: 0x08**
1016 1016  
1017 -
1018 1018  Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
1019 1019  
1020 1020  Use AT+WEIGRE when the first byte is 1, only 1 byte. When it is 2, use AT+WEIGAP, there are 3 bytes.
... ... @@ -1025,6 +1025,8 @@
1025 1025  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1026 1026  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1027 1027  
1036 +=== ===
1037 +
1028 1028  === 3.3.6 Set Digital pulse count value ===
1029 1029  
1030 1030  Feature: Set the pulse count value.
... ... @@ -1040,7 +1040,6 @@
1040 1040  
1041 1041  (% style="color:blue" %)**Downlink Command: 0x09**
1042 1042  
1043 -
1044 1044  Format: Command Code (0x09) followed by 5 bytes.
1045 1045  
1046 1046  The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
... ... @@ -1048,6 +1048,8 @@
1048 1048  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1049 1049  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1050 1050  
1060 +=== ===
1061 +
1051 1051  === 3.3.7 Set Workmode ===
1052 1052  
1053 1053  Feature: Switch working mode.
... ... @@ -1067,12 +1067,13 @@
1067 1067  
1068 1068  (% style="color:blue" %)**Downlink Command: 0x0A**
1069 1069  
1070 -
1071 1071  Format: Command Code (0x0A) followed by 1 bytes.
1072 1072  
1073 1073  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1074 1074  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1075 1075  
1086 += =
1087 +
1076 1076  = 4. Battery & Power Consumption =
1077 1077  
1078 1078  
... ... @@ -1146,4 +1146,4 @@
1146 1146  
1147 1147  
1148 1148  * 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.
1149 -* 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]]
1161 +* 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]]
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