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Last modified by Xiaoling on 2025/04/27 16:48
From version 78.4
edited by Xiaoling
on 2022/10/14 08:58
Change comment: There is no comment for this version
To version 67.2
edited by Xiaoling
on 2022/10/09 16:02
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -189,7 +189,6 @@
189 189  (% style="color:blue" %)**Step 3:**(%%) TrackerD will auto join to the LoRaWAN network. After join success, TrackerD will start to upload message to IoT server.
190 190  
191 191  
192 -
193 193  == 2.3  Positioning Mode(SMOD) ==
194 194  
195 195  
... ... @@ -209,11 +209,9 @@
209 209  === 2.4.1 Uplink FPORT~=5, Device Status ===
210 210  
211 211  
212 -Uplink the device configures with FPORT=5. Once TrackerD Joined the network, it will uplink this message to the server. After the first uplink, TrackerD will uplink Device Status every 12 hours.
211 +Uplink the device configures with FPORT=5. Once LGT92 Joined the network, it will uplink this message to the server. After first uplink, LHT52 will uplink Device Status every 12 hours.
213 213  
214 -Use can also get the Device Status uplink through the downlink command: **Downlink:  0x2301**
215 215  
216 -
217 217  (% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
218 218  |=(% 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
219 219  |=(% 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
... ... @@ -221,13 +221,13 @@
221 221  [[image:1665301570342-765.png]]
222 222  
223 223  
224 -(% style="color:#037691" %)**Example of Device Status:**(%%) 13014001FF0FA24002
221 +Example Payload (FPort=5):  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT52%20-%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220621105116-11.png?rev=1.1||alt="image-20220621105116-11.png"]]
225 225  
226 -(% style="color:#037691" %)**Sensor Model:** (%%) For TrackerD,this value is 0x13
223 +**Sensor Model**: For TrackerD, this value is 0x13.
227 227  
228 -(% style="color:#037691" %)**Firmware Version: **(%%) 0x0140,Means:v1.4.0 version
225 +**Firmware Version**: 0x0100, Means: v1.0.0 version.
229 229  
230 -(% style="color:#037691" %)**Frequency Band**:
227 +**Frequency Band**:
231 231  
232 232  *0x01: EU868
233 233  
... ... @@ -249,57 +249,20 @@
249 249  
250 250  *0x0a: AS923-3
251 251  
252 -Sub- Band:value 0x00~~0x08(only forAU915,US915,Others are 0xFF)
249 +**Sub-Band**: value 0x00 ~~ 0x08(only for CN470, AU915,US915. Others are0x00)
253 253  
254 -(% style="color:#037691" %)**BAT:**(%%) shows the battery voltage for TrackerD.
251 +**BAT**: shows the battery voltage for TrackerD.
255 255  
253 +Ex1: 0x0B3A = 2874mV
256 256  
257 -(% style="color:#037691" %)**Ex1:**(%%) 0x0FA2 = 4002mV
258 -
259 259  Use can also get the Device Status uplink through the downlink command:
260 260  
261 261  
262 262  
263 -(% style="color:#037691" %)**SMOD Field (total 1 byte)**(%%)：0x40
264 -
265 -(% border="1.5" style="background-color:#ffffcc; color:green; width:420px" %)
266 -|(% style="width:75px" %)**Size(bit)**|(% style="width:64px" %)2bits|(% style="width:137px" %)2bit|(% style="width:142px" %)4bit
267 -|(% style="width:75px" %)**Value**|(% style="width:64px" %)SMOD|(% style="width:137px" %)GPS_Settings|(% style="width:142px" %)BLE_Settings
268 -
269 -(% style="color:blue" %)** SMOD：**
270 -
271 -(% style="color:red" %)** 1 :** (%%) GPS ONLY
272 -
273 -(% style="color:red" %)** 2 :** (%%) BLE ONLY
274 -
275 -(% style="color:red" %)** 3 :**  (%%) GPS/BLE Hybrid
276 -
277 -
278 -(% style="color:blue" %)** GPS_MOD: Define how to send GPS payload**
279 -
280 -(% style="color:red" %)** 0 : ** (%%) Enable uploading on-board Temperature and humidity values
281 -
282 -(% style="color:red" %)** 1 :** (%%) Disable uploading on-board Temperature and humidity values
283 -
284 -
285 -(% style="color:blue" %)** BLE_Settings:**
286 -
287 -(% style="color:red" %)** 1: ** (%%) BLE Positioning with Strongest iBeacon
288 -
289 -
290 -
291 -(% style="color:#037691" %)**Status Field (total 1 byte)**(%%):  0x02
292 -
293 -(% border="1.5" style="background-color:#ffffcc; color:green; width:417px" %)
294 -|(% 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
295 -|(% 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"]]
296 -
297 -
298 -
299 299  === 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
300 300  
301 301  
302 -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,
262 +User can use **AT+SMOD=1,0** to enable uploading on-board Temperature and humidity values, and the total payload will be 15 bytes, please note that 15 bytes won't work on DR0 on US915/AU915 frequency band.
303 303  
304 304  
305 305  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
... ... @@ -323,8 +323,6 @@
323 323  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)1 bit|(% style="width:80px" %)1bit|(% style="width:50px" %)14bits
324 324  |=(% style="width: 72px;" %)**Value**|(% style="width:67px" %)reserve|(% style="width:118px" %)Alarm Indicate|(% style="width:63px" %)[[BAT>>||anchor="HBAT:"]] 
325 325  
326 -
327 -
328 328  ==== (% style="color:blue" %)**FLAG:**(%%) ====
329 329  
330 330  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
... ... @@ -339,8 +339,6 @@
339 339  * Latitude: 02863D68  ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://  //value = 02863D68 /1000000 = 42.351976//
340 340  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
341 341  
342 -
343 -
344 344  (% style="color:red" %)**Important note:**
345 345  
346 346  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.
... ... @@ -359,12 +359,12 @@
359 359  
360 360  ==== (% style="color:blue" %)**Alarm:**(%%) ====
361 361  
362 -**Example: ** 0x4B & 0x40 >> 6 = 0x01
318 +Example:  0x4B & 0x40 >> 6 = 0x01
363 363  
364 364  
365 365  ==== (% style="color:blue" %)**BAT:**(%%) ====
366 366  
367 -**Example: ** 0x4B45 & 0x3FFF ⇒ 2885 (mV).
323 +Example:  0x0CDD & 0x3FFF ⇒ 3293 (mV).
368 368  
369 369  (((
370 370  The battery info shows the battery voltage, User can use the below mapping to indicate the battery in percentage: \
... ... @@ -376,39 +376,19 @@
376 376  * 3.40v ~~ 3.69v:  20% ~~ 40%
377 377  * < 3.39v:  0~~20%
378 378  
379 -
380 -
381 -==== (% style="color:blue" %)**MOD:**(%%) ====
382 -
383 -**Example: ** (0x60>>6)& 0x3f =1.
384 -
385 -**Set the format of GPS data uplink link：**
386 -
387 -(% style="color:#037691" %)**0x00:** (%%) Enable uploading on-board Temperature and humidity values
388 -(% style="color:#037691" %)**0x01: ** (%%) Disable uploading on-board Temperature and humidity values
389 -
390 -
391 -**Set the format of BLE data uplink link：**
392 -
393 -(% style="color:#037691" %)**0x01: ** (%%) BLE Positioning with Strongest iBeacon
394 -
395 -
396 396  ==== (% style="color:blue" %)**LON:**(%%) ====
397 397  
398 -**Example:** (0x60>>5) & 0x01=1.
399 -
400 400  Enable/Disable LED activity for uplink
401 401  
402 402  (((
403 -(% style="color:#037691" %)**0x00:**  (%%) Disable LED indicator.
340 +0x00:  Disable LED indicator.
404 404  )))
405 405  
406 406  (((
407 -(% style="color:#037691" %)**0x01:**  (%%) Enable LED indicator (Default Value)
344 +0x01:  Enable LED indicator (Default Value)
408 408  )))
409 409  
410 410  
411 -
412 412  ==== (% style="color:blue" %)**Hum:**(%%) ====
413 413  
414 414  0202 = //if (0x0202 & 0x8000 = 0 ):  value =// 0x0202 / 100 = +514 ⇒ 51.4 degree
... ... @@ -423,7 +423,7 @@
423 423  === 2.4.3  Uplink FPORT~=3, Realtime GNSS Positioning (Default Mode) ===
424 424  
425 425  
426 -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)
362 +The default uplink payload includes totally 11 bytes. The payload is the first 11 bytes of Uplink FPORT=2, real-time GNSS positioning, (remove the temp and humidity)
427 427  
428 428  
429 429  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
... ... @@ -442,7 +442,7 @@
442 442  === 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
443 443  
444 444  
445 -Set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], and TrackerD will wait for ACK for every uplink, when there is no LoRaWAN network, TrackerD will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
381 +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]], and TrackerD will wait for ACK for every uplink, when there is no LoRaWAN network, TrackerD will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
446 446  
447 447  
448 448  (% style="color:red" %)**Note for this mode:**
... ... @@ -449,7 +449,6 @@
449 449  
450 450  * a) TrackerD will do an ACK check for data records sending to make sure every data arrive server.
451 451  * b) TrackerD will send data in (% style="color:blue" %)**CONFIRMED Mode**(%%) when PNACKMD=1, but TrackerD won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink, if TrackerD gets an ACK, TrackerD will consider there is a network connection and resend all NONE-ACK Messages.
452 -* c) the total payload will be 15 bytes, while US915/AU915 DR0 accepts only 11 bytes of payload. In this case (DR0 of US915/AU915), the payload on server will show NULL
453 453  
454 454  The payload is 15 bytes, as below.
455 455  
... ... @@ -459,7 +459,7 @@
459 459  )))|4|4|2|1|1|1|1|1
460 460  |=**Value**|Latitude|Longitude|Year|Month|Day|Hous|Min|Sen
461 461  
462 -[[image:image-20221009160309-2.png]]
397 +[[image:image-20221009160220-1.png]]
463 463  
464 464  
465 465  
... ... @@ -493,11 +493,9 @@
493 493  * (% style="color:#037691" %)**Measured Power: ** (%%) The Measured Power from the strongest iBeacon.
494 494  * (% style="color:#037691" %)**RSSI:  ** (%%) The RSSI from the strongest iBeacon.
495 495  
431 +=== 2.4.5 Add Payload format in TTN V3 ===
496 496  
497 497  
498 -=== 2.4.6  Add Payload format in TTN V3 ===
499 -
500 -
501 501  In TTN V3, use can add a custom payload so it shows friendly.
502 502  
503 503  In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**
... ... @@ -547,22 +547,10 @@
547 547  
548 548  
549 549  
550 -== 2.7  Datalog Feature ==
483 +== 2.7 Datalog Feature ==
551 551  
485 +total 273 entries,by default disable
552 552  
553 -total 273 entries,by default,
554 -
555 -User can set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
556 -
557 -Example use case.
558 -
559 -[[image:image-20221009234703-2.png||height="328" width="899"]]
560 -
561 -
562 -[[image:image-20221009234629-1.png||height="390" width="577"]]
563 -
564 -
565 -
566 566  == 2.8 Alarm Mode ==
567 567  
568 568  
... ... @@ -595,7 +595,6 @@
595 595  In Transport Mode, TrackerD will check if there is motion. If there is no motion, device will send uplinks every 20 minutes. If there is motion, device will send uplink every 5 minutes.
596 596  
597 597  
598 -
599 599  == 2.10 LED Status ==
600 600  
601 601  
... ... @@ -613,8 +613,6 @@
613 613  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
614 614  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
615 615  
616 -
617 -
618 618  == 2.11 Button Function ==
619 619  
620 620  
... ... @@ -636,8 +636,6 @@
636 636  |(% 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
637 637  |(% 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.
638 638  
639 -
640 -
641 641  == 2.12 USB Port Function ==
642 642  
643 643  
... ... @@ -648,8 +648,6 @@
648 648  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
649 649  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
650 650  
651 -
652 -
653 653  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
654 654  
655 655  
... ... @@ -797,33 +797,37 @@
797 797  
798 798  * (% style="color:blue" %)**AT Command:**
799 799  
800 -(% style="color:#037691" %)**AT+SMOD=aa,bb,cc**
714 +(% style="color:#037691" %)**AT+SMOD=aa,bb**
801 801  
802 802  (% style="color:#037691" %)** aa:**
803 803  
804 -* (% style="color:red" %)**1: GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
805 -* (% style="color:red" %)**2: BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
806 -* (% style="color:red" %)**3: GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.Devices will try to search BLE iBeacon first. If device can't find the iBeacon, it will use GPS for positioning.
718 +* (% style="color:#037691" %)**1: GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
719 +* (% style="color:#037691" %)**2: BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
720 +* (% style="color:#037691" %)**3: GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.Devices will try to search BLE iBeacon first. If device can't find the iBeacon, it will use GPS for positioning
807 807  
808 808  (% style="color:#037691" %)**bb:**
809 809  
810 -* (% style="color:red" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
811 -* (% style="color:red" %)**1 :**(%%)  GPS +BAT State
724 +(% style="color:#037691" %)** if aa = 1: **
812 812  
813 -(% style="color:#037691" %)**cc:   **
726 +* (% style="color:#037691" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
727 +* (% style="color:#037691" %)**1 :**(%%)  GPS +BAT State
814 814  
815 -* (% style="color:red" %)**1 : **(%%) (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State  
729 +(% style="color:#037691" %)** if aa = 2: **
816 816  
817 -(% style="color:blue" %)**Example:**
731 +* (% style="color:#037691" %)**3 :  **(%%)(iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
818 818  
819 - AT+ SMOD =1,0 ,0 ~-~->  GPS+ BAT+ State+Tem&Hum
820 - AT+ SMOD =1,1,0 ~-~->  GPS +BAT State
821 - AT+ SMOD =2,0,1 ~-~->  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
733 + **Example:**
822 822  
735 + AT+ SMOD =1,0  **~-~-> ** GPS+ BAT+ State+Tem&Hum
823 823  
737 + AT+ SMOD =1,1    **~-~->**  GPS +BAT State
738 +
739 + AT+ SMOD =2,3    **~-~->**  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
740 +
741 +
824 824  * (% style="color:blue" %)**Downlink Payload (prefix 0xA5):**
825 825  
826 -(% style="color:#037691" %)**0xA5 01 00 00**    (%%) ~/~/  Same as AT+ SMOD =1,0,0
744 +(% style="color:#037691" %)**0xA5 01 00**    (%%) ~/~/  Same as AT+ SMOD =1,0
827 827  
828 828  
829 829  
... ... @@ -840,7 +840,7 @@
840 840  
841 841  (% style="color:#037691" %)**AT+FTIME=xx**  (%%) **~-~-> ** Set to use xx as max fix time.
842 842  
843 -**Example:**  AT+FTIME=150
761 +Example:  AT+FTIME=150
844 844  
845 845  
846 846  * (% style="color:blue" %)**Downlink Payload (prefix 0xAA):**
... ... @@ -849,7 +849,7 @@
849 849  
850 850  
851 851  
852 -=== 3.2.9 Set PDOP value for GPS fix accuracy ===
770 +=== 3.3.9 Set PDOP value for GPS fix accuracy ===
853 853  
854 854  
855 855  PDOP(Position Dilution of Precision) filter, TrackerD will only accept GPS data with a lower PDOP value than pre-configure PDOP value. If device can't get a valid GPS packet within FTIME timeout, it will use the GPS data with lowest PDOP value to server.
... ... @@ -877,7 +877,7 @@
877 877  
878 878  * (% style="color:blue" %)**AT Command:**
879 879  
880 -(% style="color:#037691" %)**AT+CFM=xx**
798 +(% style="color:#037691" %)**AT+CFM=xx. **
881 881  
882 882  
883 883  **~ Example:**
... ... @@ -893,27 +893,6 @@
893 893  
894 894  
895 895  
896 -=== 3.2.10  Auto Send None-ACK messages ===
897 -
898 -
899 -TrackerD will wait for ACK for each uplink, If TrackerD doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. TrackerD keeps sending messages in normal periodically. Once TrackerD gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
900 -
901 -
902 -* (% style="color:blue" %)**AT Command: AT+PNACKMD**
903 -
904 -The default factory setting is 0.
905 -
906 -
907 -**Command Example Function Response:**
908 -
909 -(% style="color:#037691" %)**AT+PNACKMD=1**  (%%) ~/~/  Poll None-ACK message OK
910 -
911 -
912 -* (% style="color:blue" %)**Downlink Command: 0x34**
913 -
914 -Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
915 -
916 -
917 917  = 4. Setting for Different Scenarios =
918 918  
919 919  
... ... @@ -956,7 +956,7 @@
956 956  
957 957  (% style="color:blue" %)**Step5:** (%%) Select the firmware file (.bin format), com port and proper SPI configure. Clink Start. Bin file location:
958 958  
959 -[[https:~~/~~/github.com/dragino/TrackerD/releases>>https://github.com/dragino/TrackerD/releases]]
856 +[[https:~~/~~/www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0>>url:https://www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0]]
960 960  
961 961  
962 962  Users need to use below files:
... ... @@ -993,7 +993,6 @@
993 993  [[image:1664503635019-941.png]]
994 994  
995 995  
996 -
997 997  * (% style="color:#037691" %)**Go to tools ~-~-> Boards ~-~-> Boards Manager**,(%%) **find the esp32 information and install it.**
998 998  
999 999  [[image:1664503715811-892.png]]
... ... @@ -1058,9 +1058,6 @@
1058 1058  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
1059 1059  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
1060 1060  
1061 -
1062 -
1063 -
1064 1064  = 8.  Order Info =
1065 1065  
1066 1066  
... ... @@ -1076,8 +1076,6 @@
1076 1076  * (% style="color:red" %)**AU915**(%%): Default frequency band AU915
1077 1077  * (% style="color:red" %)**US915**(%%): Default frequency band US915
1078 1078  
1079 -
1080 -
1081 1081  = 9.  Packing Info =
1082 1082  
1083 1083  
... ... @@ -1091,8 +1091,6 @@
1091 1091  * Device Size: 85 x 48 x 15 cm
1092 1092  * Weight: 50g
1093 1093  
1094 -
1095 -
1096 1096  = 10. Support =
1097 1097  
1098 1098  
... ... @@ -1099,8 +1099,6 @@
1099 1099  * 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.
1100 1100  * 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]].
1101 1101  
1102 -
1103 -
1104 1104  = 11.  Reference =
1105 1105  
1106 1106  
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1108 1108  * **[[Source Code>>https://github.com/dragino/TrackerD]] **
1109 1109  * [[**Hardware Source**>>https://www.dropbox.com/sh/orwoy6cecb89m4e/AAD37sRuUrvKsHgAJxuVTkB5a?dl=0]]
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