Last modified by Xiaoling on 2025/04/14 16:33
<
From version < 78.3 >
edited by Xiaoling
on 2022/10/14 08:53
To version < 84.19 >
edited by Xiaoling
on 2022/10/26 09:26
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -97,6 +97,8 @@
97 97  * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
98 98  * Tracking: max: 38mA
99 99  
100 +
101 +
100 100  == 1.3  Features ==
101 101  
102 102  
... ... @@ -115,6 +115,8 @@
115 115  * Tri-color LED, Alarm button
116 116  * Datalog
117 117  
120 +
121 +
118 118  == 1.4  Applications ==
119 119  
120 120  
... ... @@ -121,6 +121,8 @@
121 121  * Logistics and Supply Chain Management
122 122  * Human tracking
123 123  
128 +
129 +
124 124  = 2.1 Use TrackerD =
125 125  
126 126  
... ... @@ -208,8 +208,8 @@
208 208  Use can also get the Device Status uplink through the downlink command: **Downlink:  0x2301**
209 209  
210 210  
211 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
212 -|=(% scope="row" style="width: 108px;" %)**Size(bytes)**|=(% style="width: 82px;" %)**1**|=(% style="width: 83px;" %)**2**|=(% style="width: 94px;" %)**1**|=(% style="width: 84px;" %)**1**|=(% style="width: 44px;" %)2|=(% style="width: 63px;" %)**2**|=(% style="width: 60px;" %)1
217 +(% border="1.5" style="background-color:#ffffcc; color:green; width:440px" %)
218 +|=(% style="width: 60px;" %)**Size(bytes)**|=(% style="width: 70px;" %)**1**|=(% style="width: 70px;" %)**2**|=(% style="width: 70px;" %)**1**|=(% style="width: 50px;" %)**1**|=(% style="width: 30px;" %)2|=(% style="width: 40px;" %)**2**|=(% style="width: 40px;" %)1
213 213  |=(% style="width: 108px;" %)**Value**|(% style="width:82px" %)Sensor Model|(% style="width:83px" %)Firmware Version|(% style="width:94px" %)Frequency Band|(% style="width:84px" %)Sub-band|(% style="width:44px" %)BAT|(% style="width:63px" %)SMOD|(% style="width:60px" %)Status
214 214  
215 215  [[image:1665301570342-765.png]]
... ... @@ -253,12 +253,11 @@
253 253  Use can also get the Device Status uplink through the downlink command:
254 254  
255 255  
256 -
257 257  (% style="color:#037691" %)**SMOD Field (total 1 byte)**(%%)：0x40
258 258  
259 -(% border="1.5" style="background-color:#ffffcc; color:green; width:420px" %)
260 -|(% style="width:75px" %)**Size(bit)**|(% style="width:64px" %)2bits|(% style="width:137px" %)2bit|(% style="width:142px" %)4bit
261 -|(% style="width:75px" %)**Value**|(% style="width:64px" %)SMOD|(% style="width:137px" %)GPS_Settings|(% style="width:142px" %)BLE_Settings
264 +(% border="1.5" style="background-color:#ffffcc; color:green; width:270px" %)
265 +|=(% scope="row" style="width: 60px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:80px" %)2bit|(% style="width:80px" %)4bit
266 +|=(% style="width: 75px;" %)**Value**|(% style="width:64px" %)SMOD|(% style="width:104px" %)GPS_Settings|(% style="width:103px" %)BLE_Settings
262 262  
263 263  (% style="color:blue" %)** SMOD：**
264 264  
... ... @@ -281,14 +281,14 @@
281 281  (% style="color:red" %)** 1: ** (%%) BLE Positioning with Strongest iBeacon
282 282  
283 283  
284 -
285 285  (% style="color:#037691" %)**Status Field (total 1 byte)**(%%):  0x02
286 286  
287 -(% border="1.5" style="background-color:#ffffcc; color:green; width:417px" %)
288 -|(% style="width:77px" %)**Size(bit)**|(% style="width:70px" %)5 Bits|(% style="width:92px" %)1 Bit|(% style="width:48px" %)1 Bit|(% style="width:126px" %)1 Bit
289 -|(% style="width:77px" %)**Value**|(% style="width:70px" %)Reserve|(% style="width:92px" %)[[PNACKMD>>||anchor="H2.4.4A0UplinkFPORT3D42CHistoryGNSSPositioning"]]|(% style="width:48px" %)[[LON>>||anchor="H3.2.5Disable2FEnableLEDflash"]]|(% style="width:126px" %)[[Transport Mode>>||anchor="H2.9TransportMode"]]
291 +(% border="1.5" style="background-color:#ffffcc; color:green; width:260px" %)
292 +|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)5 Bits|(% style="width:60px" %)1 Bit|(% style="width:20px" %)1 Bit|(% style="width:80px" %)1 Bit
293 +|=(% style="width: 77px;" %)**Value**|(% style="width:70px" %)Reserve|(% style="width:92px" %)[[PNACKMD>>||anchor="H2.4.4A0UplinkFPORT3D42CHistoryGNSSPositioning"]]|(% style="width:48px" %)[[LON>>||anchor="H3.2.5Disable2FEnableLEDflash"]]|(% style="width:126px" %)[[Transport Mode>>||anchor="H2.9TransportMode"]]
290 290  
291 291  
296 +
292 292  === 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
293 293  
294 294  
... ... @@ -295,12 +295,12 @@
295 295  Users can use **AT+SMOD=1,0,0** to enable uploading on-board Temperature and humidity values, and the total payload will be 15 bytes,
296 296  
297 297  
298 -(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
299 -|=(% scope="row" style="width: 50px;" %)(((
303 +(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:320px" %)
304 +|=(% scope="row" style="width: 60px;" %)(((
300 300  **Size(bytes)**
301 -)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1|(% style="width:40px" %)(((
306 +)))|(% style="width:50px" %)4|(% style="width:50px" %)4|(% style="width:70px" %)2|(% style="width:30px" %)1|(% style="width:30px" %)(((
302 302  2
303 -)))|(% style="width:87px" %)(((
308 +)))|(% style="width:30px" %)(((
304 304  2
305 305  )))
306 306  |=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
... ... @@ -316,10 +316,12 @@
316 316  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)1 bit|(% style="width:80px" %)1bit|(% style="width:50px" %)14bits
317 317  |=(% style="width: 72px;" %)**Value**|(% style="width:67px" %)reserve|(% style="width:118px" %)Alarm Indicate|(% style="width:63px" %)[[BAT>>||anchor="HBAT:"]] 
318 318  
324 +
325 +
319 319  ==== (% style="color:blue" %)**FLAG:**(%%) ====
320 320  
321 -(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
322 -|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit
328 +(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:120px" %)
329 +|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:30px" %)2bits|(% style="width:30px" %)1bit
323 323  |=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]
324 324  
325 325  **Example:** Payload: 0x02863D68 FAC29BAF 4B45 60 0202 011A 
... ... @@ -330,6 +330,8 @@
330 330  * Latitude: 02863D68  ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://  //value = 02863D68 /1000000 = 42.351976//
331 331  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
332 332  
340 +
341 +
333 333  (% style="color:red" %)**Important note:**
334 334  
335 335  1.  When power is low (<2.84v), GPS won't be able to get location info and GPS feature will be disabled and the location field will be filled with 0x0FFFFFFF, 0x0FFFFFFF.
... ... @@ -365,9 +365,11 @@
365 365  * 3.40v ~~ 3.69v:  20% ~~ 40%
366 366  * < 3.39v:  0~~20%
367 367  
377 +
378 +
368 368  ==== (% style="color:blue" %)**MOD:**(%%) ====
369 369  
370 -**Example: ** (0x60>>6)& 0x3f =1.
381 +**Example: ** (0x60>>6) & 0x3f =1
371 371  
372 372  **Set the format of GPS data uplink link：**
373 373  
... ... @@ -395,7 +395,6 @@
395 395  )))
396 396  
397 397  
398 -
399 399  ==== (% style="color:blue" %)**Hum:**(%%) ====
400 400  
401 401  0202 = //if (0x0202 & 0x8000 = 0 ):  value =// 0x0202 / 100 = +514 ⇒ 51.4 degree
... ... @@ -413,10 +413,10 @@
413 413  The default uplink payload includes total 11 bytes (**AT+SMOD=1,1,0**). The payload is the first 11 bytes of Uplink FPORT=2, real-time GNSS positioning, (remove the temp and humidity)
414 414  
415 415  
416 -(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
417 -|=(% scope="row" style="width: 50px;" %)(((
426 +(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:300px" %)
427 +|=(% scope="row" style="width: 60px;" %)(((
418 418  **Size(bytes)**
419 -)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1
429 +)))|(% style="width:60px" %)4|(% style="width:60px" %)4|(% style="width:60px" %)2|(% style="width:50px" %)1
420 420  |=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
421 421  [[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
422 422  )))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]
... ... @@ -440,7 +440,7 @@
440 440  
441 441  The payload is 15 bytes, as below.
442 442  
443 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
453 +(% border="1.5" style="background-color:#ffffcc; color:green; width:500px" %)
444 444  |=(% scope="row" %)(((
445 445  **Size(bytes)**
446 446  )))|4|4|2|1|1|1|1|1
... ... @@ -453,6 +453,11 @@
453 453  === 2.4.5  Uplink FPORT~=6, BLE Positioning with Strongest iBeacon ===
454 454  
455 455  
466 +TrackerD supports BLE scans for indoor positioning. User can set [[**SMOD**>>||anchor="H3.2.7SetPositioningMode"]] to **BLE pure** or **GPS/BLE hybrid** so TrackerD will scan BLE iBeacon and find the strongest iBeacon info and uplink.
467 +
468 +User can set **[[BLEMASK>>||anchor="H3.2.11A0SetBLEMASKtofilterBLEiBeacon"]]** so TrackerD will only search the iBeacons which have UUID that match the BLEMASK settings.
469 +
470 +
456 456  (% border="1.5" cellspacing="3" style="background-color:#ffffcc; color:green; width:450px" %)
457 457  |=(% scope="row" style="width: 60px;" %)(((
458 458  **Size(bytes)**
... ... @@ -472,7 +472,7 @@
472 472  [[image:1664502425687-834.png]]
473 473  
474 474  
475 -* (% style="color:#037691" %)**BAT: ** (%%) Ex1: 0x4B45 & 0x3FFF ⇒ 3901 (mV).
490 +* (% style="color:#037691" %)**BAT: ** (%%) Ex1:0x4B45 & 0x3FFF ⇒ 3901 (mV).
476 476  * (% style="color:#037691" %)**MODE:   **(%%)Define the payload format.
477 477  * (% style="color:#037691" %)**UUID:     **(%%)The uuid from the strongest iBeacon.
478 478  * (% style="color:#037691" %)**MAJOR:** (%%) The MAJOR from the strongest iBeacon.
... ... @@ -493,8 +493,9 @@
493 493  [[image:1664502649601-895.png]]
494 494  
495 495  
496 -Add the decoder from this link:
511 +Add the decoder from this link: 
497 497  
513 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/TrackerD>>https://github.com/dragino/dragino-end-node-decoder/tree/main/TrackerD]]
498 498  
499 499  Save the change the uplink message will be parsed. As below:
500 500  
... ... @@ -505,15 +505,10 @@
505 505  == 2.5 Integrate with Datacake ==
506 506  
507 507  
508 -(((
509 509  After TrackerD sends data to LoRaWAN server such as TTN, use can pass the data to Datacake and plot out, currently only support GPS plot.
510 -)))
511 511  
512 -(((
513 513  Instruction is here:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20Data%20Cake/#H7.Example~~-~~-AddTrackerDGPSTrackingInDataCake>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20Data%20Cake/#H7.Example--AddTrackerDGPSTrackingInDataCake]]
514 -)))
515 515  
516 -
517 517  [[image:1664502695771-538.png]]
518 518  
519 519  
... ... @@ -521,15 +521,12 @@
521 521  == 2.6 Integrate with Tago ==
522 522  
523 523  
524 -(((
525 -After TrackerD sends data to LoRaWAN server such as TTN, use can pass the data to Datacake and plot out, currently only support GPS plot.
526 -)))
535 +After TrackerD sends data to LoRaWAN server such as TTN, user can pass the data to Datacake and plot out, currently only support GPS plot.
527 527  
528 -(((
529 529  Instruction is here: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Tago.IO/#H3.A0Example-CreateTrackerD2FLGT92positioningwidget>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Tago.IO/#H3.A0Example-CreateTrackerD2FLGT92positioningwidget]]
530 -)))
531 531  
532 532  
540 +
533 533  [[image:1664502715371-321.png]]
534 534  
535 535  
... ... @@ -539,7 +539,7 @@
539 539  
540 540  total 273 entries,by default,
541 541  
542 -User can set [[PNACKMD=1>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.13AutoSendNone-ACKmessages]], to enable Datalog feature.
550 +User can set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
543 543  
544 544  Example use case.
545 545  
... ... @@ -559,7 +559,7 @@
559 559  
560 560  
561 561  (((
562 -Once enter Alarm mode, the (% style="color:green" %)**GREEN LED**(%%) will flash 3 times, the buzzer will alarm for 5 seconds, then TrackerD will immediately send a packet without location info and then send a data packet with GPS positioning information. After that, the device will send 60 packets at 1-minute intervals. The Alarm flag in the payload will be set for the next 60 packets unless exit alert mode.
570 +Once enter Alarm mode, the (% style="color:green" %)**GREEN LED**(%%) will flash 3 times, the buzzer will alarm for 5 seconds, then TrackerD will immediately send a packet without location info and then send a data packet with GPS positioning information. After that, the device will send 60 packets at 1-minute intervals. The Alarm flag in the payload will be set for the next 60 packets unless exits alert mode.
563 563  )))
564 564  
565 565  
... ... @@ -567,7 +567,7 @@
567 567  Two ways to exit alarm mode:
568 568  )))
569 569  
570 -* Server send a downlink command to exit.
578 +* Server sends a downlink command to exit.
571 571  * User fast press the RED button 10 times.
572 572  
573 573  (((
... ... @@ -600,6 +600,8 @@
600 600  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
601 601  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
602 602  
611 +
612 +
603 603  == 2.11 Button Function ==
604 604  
605 605  
... ... @@ -615,12 +615,14 @@
615 615  [[image:1664502854406-763.png]]
616 616  
617 617  
618 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
619 -|=(% style="width: 100px;" %)**Function**|=(% style="width: 210px;" %)**Action**|=(% style="width: 210px;" %)**Description**
628 +(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
629 +|=(% style="width: 100px;" %)**Function**|=(% style="width: 205px;" %)**Action**|=(% style="width: 205px;" %)**Description**
620 620  |(% style="width:135px" %)Send Alarm|(% style="width:220px" %)Keep Pressing (% style="color:red" %)**RED**(%%) button for more than 5 seconds|(% style="width:265px" %)Enter Alarm Mode.  See [[Alarm Mode>>||anchor="H2.6AlarmMode"]]
621 621  |(% style="width:135px" %)Exit Alarm Mode|(% style="width:220px" %)Fast press the (% style="color:red" %)**RED** (%%)button 10 times|(% style="width:265px" %)Exit Alarm Mode
622 622  |(% style="width:135px" %)Enter Deep Sleep Mode|(% style="width:220px" %)Press and hold the button for 10 seconds, then quickly press the device 3 times to enter deep sleep|(% style="width:265px" %)This is the mode ship out from factory. CPU will be complete in sleep mode and no LoRa activity, only use before deploy.
623 623  
634 +
635 +
624 624  == 2.12 USB Port Function ==
625 625  
626 626  
... ... @@ -631,6 +631,8 @@
631 631  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
632 632  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
633 633  
646 +
647 +
634 634  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
635 635  
636 636  
... ... @@ -655,11 +655,9 @@
655 655  [[image:1664503022490-662.png]]
656 656  
657 657  
658 -
659 659  [[image:1664503035713-500.png]]
660 660  
661 661  
662 -
663 663  [[image:1664503047675-651.png]]
664 664  
665 665  
... ... @@ -773,7 +773,7 @@
773 773  === 3.2.7 Set Positioning Mode ===
774 774  
775 775  
776 -SMOD define the how TrackerD scan and uplink data:
788 +SMOD define how TrackerD scan and uplink data:
777 777  
778 778  
779 779  * (% style="color:blue" %)**AT Command:**
... ... @@ -797,7 +797,7 @@
797 797  
798 798  (% style="color:blue" %)**Example:**
799 799  
800 - AT+ SMOD =1,0 ,0 ~-~->  GPS+ BAT+ State+Tem&Hum
812 + AT+ SMOD =1,0,0 ~-~->  GPS+ BAT+ State+Tem&Hum
801 801   AT+ SMOD =1,1,0 ~-~->  GPS +BAT State
802 802   AT+ SMOD =2,0,1 ~-~->  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
803 803  
... ... @@ -895,6 +895,27 @@
895 895  Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
896 896  
897 897  
910 +
911 +=== 3.2.11  Set BLEMASK to filter BLE iBeacon ===
912 +
913 +
914 +BLEMASK is to filter the unwanted BLE iBeacons during scan. For example, if BLEMASK is 123456. LBT1 will only uplink UUID info which includes 123456. It will ignore all other iBeacons which doesn’t contact 123456 in the UUID.
915 +
916 +(% style="color:red" %)**Note: BLEMASK range is 6 ~~ 10 bytes. If AT+BLEMASK < 6 bytes, BLEMASK will be disabled.**
917 +
918 +(% style="color:blue" %)**AT Command:**
919 +
920 + (% style="color:#037691" %)**AT+BLEMASK=123456**   (%%) ~/~/ Set BLEMASK = 123456
921 +
922 + (% style="color:#037691" %)**AT+BLEMASK=0**  (%%) ~/~/ disable BLEMASK
923 +
924 +
925 +(% style="color:blue" %)**Downlink Payload: (Prefix : 0xA5)**
926 +
927 +Example: 0xA5010203040506    ~/~/ Set BLEMASK to 123456
928 +
929 +
930 +
898 898  = 4. Setting for Different Scenarios =
899 899  
900 900  
... ... @@ -935,6 +935,7 @@
935 935  [[image:1664503574618-659.png]]
936 936  
937 937  
971 +
938 938  (% style="color:blue" %)**Step5:** (%%) Select the firmware file (.bin format), com port and proper SPI configure. Clink Start. Bin file location:
939 939  
940 940  [[https:~~/~~/github.com/dragino/TrackerD/releases>>https://github.com/dragino/TrackerD/releases]]
... ... @@ -980,7 +980,18 @@
980 980  [[image:1664503715811-892.png]]
981 981  
982 982  
1017 +(% id="cke_bm_4554S" style="display:none" %) (%%)Find the path of SP32 installation, find the file as shown in Figure 1, and change the SPI pin to the shown in Figure 2.
983 983  
1019 +[[image:image-20221024105643-1.png]]
1020 +
1021 +**~ Figure1**
1022 +
1023 +
1024 +[[image:image-20221024105643-2.png]]
1025 +
1026 + **Figure2**
1027 +
1028 +
984 984  * **Download the latest TrackerD from the dragino github: [[https:~~/~~/github.com/dragino/TrackerD>>url:https://github.com/dragino/TrackerD]]**
985 985  
986 986  Put the Library in the TrackerD directory into the libraries file in the Arduino directory:
... ... @@ -1039,6 +1039,8 @@
1039 1039  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
1040 1040  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
1041 1041  
1087 +
1088 +
1042 1042  = 8.  Order Info =
1043 1043  
1044 1044  
... ... @@ -1054,6 +1054,8 @@
1054 1054  * (% style="color:red" %)**AU915**(%%): Default frequency band AU915
1055 1055  * (% style="color:red" %)**US915**(%%): Default frequency band US915
1056 1056  
1104 +
1105 +
1057 1057  = 9.  Packing Info =
1058 1058  
1059 1059  
... ... @@ -1067,6 +1067,8 @@
1067 1067  * Device Size: 85 x 48 x 15 cm
1068 1068  * Weight: 50g
1069 1069  
1119 +
1120 +
1070 1070  = 10. Support =
1071 1071  
1072 1072  
... ... @@ -1073,6 +1073,8 @@
1073 1073  * 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.
1074 1074  * 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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1075 1075  
1127 +
1128 +
1076 1076  = 11.  Reference =
1077 1077  
1078 1078  
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