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Last modified by Xiaoling on 2023/12/27 09:15
From version 66.4
edited by Xiaoling
on 2022/10/09 16:01
Change comment: There is no comment for this version
To version 78.4
edited by Xiaoling
on 2022/10/14 08:58
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -189,6 +189,7 @@
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 +
192 192  == 2.3  Positioning Mode(SMOD) ==
193 193  
194 194  
... ... @@ -208,9 +208,11 @@
208 208  === 2.4.1 Uplink FPORT~=5, Device Status ===
209 209  
210 210  
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.
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.
212 212  
214 +Use can also get the Device Status uplink through the downlink command: **Downlink:  0x2301**
213 213  
216 +
214 214  (% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
215 215  |=(% 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
216 216  |=(% 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
... ... @@ -218,13 +218,13 @@
218 218  [[image:1665301570342-765.png]]
219 219  
220 220  
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"]]
224 +(% style="color:#037691" %)**Example of Device Status:**(%%) 13014001FF0FA24002
222 222  
223 -**Sensor Model**: For TrackerD, this value is 0x13.
226 +(% style="color:#037691" %)**Sensor Model:** (%%) For TrackerD,this value is 0x13
224 224  
225 -**Firmware Version**: 0x0100, Means: v1.0.0 version.
228 +(% style="color:#037691" %)**Firmware Version: **(%%) 0x0140,Means:v1.4.0 version
226 226  
227 -**Frequency Band**:
230 +(% style="color:#037691" %)**Frequency Band**:
228 228  
229 229  *0x01: EU868
230 230  
... ... @@ -246,20 +246,57 @@
246 246  
247 247  *0x0a: AS923-3
248 248  
249 -**Sub-Band**: value 0x00 ~~ 0x08(only for CN470, AU915,US915. Others are0x00)
252 +Sub- Band:value 0x00~~0x08(only forAU915,US915,Others are 0xFF)
250 250  
251 -**BAT**: shows the battery voltage for TrackerD.
254 +(% style="color:#037691" %)**BAT:**(%%) shows the battery voltage for TrackerD.
252 252  
253 -Ex1: 0x0B3A = 2874mV
254 254  
257 +(% style="color:#037691" %)**Ex1:**(%%) 0x0FA2 = 4002mV
258 +
255 255  Use can also get the Device Status uplink through the downlink command:
256 256  
257 257  
258 258  
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 +
259 259  === 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
260 260  
261 261  
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.
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,
263 263  
264 264  
265 265  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
... ... @@ -283,6 +283,8 @@
283 283  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)1 bit|(% style="width:80px" %)1bit|(% style="width:50px" %)14bits
284 284  |=(% style="width: 72px;" %)**Value**|(% style="width:67px" %)reserve|(% style="width:118px" %)Alarm Indicate|(% style="width:63px" %)[[BAT>>||anchor="HBAT:"]] 
285 285  
326 +
327 +
286 286  ==== (% style="color:blue" %)**FLAG:**(%%) ====
287 287  
288 288  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
... ... @@ -297,6 +297,8 @@
297 297  * Latitude: 02863D68  ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://  //value = 02863D68 /1000000 = 42.351976//
298 298  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
299 299  
342 +
343 +
300 300  (% style="color:red" %)**Important note:**
301 301  
302 302  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.
... ... @@ -315,12 +315,12 @@
315 315  
316 316  ==== (% style="color:blue" %)**Alarm:**(%%) ====
317 317  
318 -Example:  0x4B & 0x40 >> 6 = 0x01
362 +**Example: ** 0x4B & 0x40 >> 6 = 0x01
319 319  
320 320  
321 321  ==== (% style="color:blue" %)**BAT:**(%%) ====
322 322  
323 -Example:  0x0CDD & 0x3FFF ⇒ 3293 (mV).
367 +**Example: ** 0x4B45 & 0x3FFF ⇒ 2885 (mV).
324 324  
325 325  (((
326 326  The battery info shows the battery voltage, User can use the below mapping to indicate the battery in percentage: \
... ... @@ -332,19 +332,39 @@
332 332  * 3.40v ~~ 3.69v:  20% ~~ 40%
333 333  * < 3.39v:  0~~20%
334 334  
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 +
335 335  ==== (% style="color:blue" %)**LON:**(%%) ====
336 336  
398 +**Example:** (0x60>>5) & 0x01=1.
399 +
337 337  Enable/Disable LED activity for uplink
338 338  
339 339  (((
340 -0x00:  Disable LED indicator.
403 +(% style="color:#037691" %)**0x00:**  (%%) Disable LED indicator.
341 341  )))
342 342  
343 343  (((
344 -0x01:  Enable LED indicator (Default Value)
407 +(% style="color:#037691" %)**0x01:**  (%%) Enable LED indicator (Default Value)
345 345  )))
346 346  
347 347  
411 +
348 348  ==== (% style="color:blue" %)**Hum:**(%%) ====
349 349  
350 350  0202 = //if (0x0202 & 0x8000 = 0 ):  value =// 0x0202 / 100 = +514 ⇒ 51.4 degree
... ... @@ -359,7 +359,7 @@
359 359  === 2.4.3  Uplink FPORT~=3, Realtime GNSS Positioning (Default Mode) ===
360 360  
361 361  
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)
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)
363 363  
364 364  
365 365  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
... ... @@ -378,7 +378,7 @@
378 378  === 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
379 379  
380 380  
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.
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.
382 382  
383 383  
384 384  (% style="color:red" %)**Note for this mode:**
... ... @@ -385,6 +385,7 @@
385 385  
386 386  * a) TrackerD will do an ACK check for data records sending to make sure every data arrive server.
387 387  * 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
388 388  
389 389  The payload is 15 bytes, as below.
390 390  
... ... @@ -394,7 +394,7 @@
394 394  )))|4|4|2|1|1|1|1|1
395 395  |=**Value**|Latitude|Longitude|Year|Month|Day|Hous|Min|Sen
396 396  
397 -[[image:1665301786397-168.png]]
462 +[[image:image-20221009160309-2.png]]
398 398  
399 399  
400 400  
... ... @@ -428,9 +428,11 @@
428 428  * (% style="color:#037691" %)**Measured Power: ** (%%) The Measured Power from the strongest iBeacon.
429 429  * (% style="color:#037691" %)**RSSI:  ** (%%) The RSSI from the strongest iBeacon.
430 430  
431 -=== 2.4.5 Add Payload format in TTN V3 ===
432 432  
433 433  
498 +=== 2.4.6  Add Payload format in TTN V3 ===
499 +
500 +
434 434  In TTN V3, use can add a custom payload so it shows friendly.
435 435  
436 436  In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**
... ... @@ -480,10 +480,22 @@
480 480  
481 481  
482 482  
483 -== 2.7 Datalog Feature ==
550 +== 2.7  Datalog Feature ==
484 484  
485 -total 273 entries,by default disable
486 486  
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 +
487 487  == 2.8 Alarm Mode ==
488 488  
489 489  
... ... @@ -516,6 +516,7 @@
516 516  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.
517 517  
518 518  
598 +
519 519  == 2.10 LED Status ==
520 520  
521 521  
... ... @@ -533,6 +533,8 @@
533 533  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
534 534  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
535 535  
616 +
617 +
536 536  == 2.11 Button Function ==
537 537  
538 538  
... ... @@ -554,6 +554,8 @@
554 554  |(% 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
555 555  |(% 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.
556 556  
639 +
640 +
557 557  == 2.12 USB Port Function ==
558 558  
559 559  
... ... @@ -564,6 +564,8 @@
564 564  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
565 565  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
566 566  
651 +
652 +
567 567  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
568 568  
569 569  
... ... @@ -711,37 +711,33 @@
711 711  
712 712  * (% style="color:blue" %)**AT Command:**
713 713  
714 -(% style="color:#037691" %)**AT+SMOD=aa,bb**
800 +(% style="color:#037691" %)**AT+SMOD=aa,bb,cc**
715 715  
716 716  (% style="color:#037691" %)** aa:**
717 717  
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
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.
721 721  
722 722  (% style="color:#037691" %)**bb:**
723 723  
724 -(% style="color:#037691" %)** if aa = 1: **
810 +* (% style="color:red" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
811 +* (% style="color:red" %)**1 :**(%%)  GPS +BAT State
725 725  
726 -* (% style="color:#037691" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
727 -* (% style="color:#037691" %)**1 :**(%%)  GPS +BAT State
813 +(% style="color:#037691" %)**cc:   **
728 728  
729 -(% style="color:#037691" %)** if aa = 2: **
815 +* (% style="color:red" %)**1 : **(%%) (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State  
730 730  
731 -* (% style="color:#037691" %)**3 :  **(%%)(iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
817 +(% style="color:blue" %)**Example:**
732 732  
733 - **Example:**
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
734 734  
735 - AT+ SMOD =1,0  **~-~-> ** GPS+ BAT+ State+Tem&Hum
736 736  
737 - AT+ SMOD =1,1    **~-~->**  GPS +BAT State
738 -
739 - AT+ SMOD =2,3    **~-~->**  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
740 -
741 -
742 742  * (% style="color:blue" %)**Downlink Payload (prefix 0xA5):**
743 743  
744 -(% style="color:#037691" %)**0xA5 01 00**    (%%) ~/~/  Same as AT+ SMOD =1,0
826 +(% style="color:#037691" %)**0xA5 01 00 00**    (%%) ~/~/  Same as AT+ SMOD =1,0,0
745 745  
746 746  
747 747  
... ... @@ -758,7 +758,7 @@
758 758  
759 759  (% style="color:#037691" %)**AT+FTIME=xx**  (%%) **~-~-> ** Set to use xx as max fix time.
760 760  
761 -Example:  AT+FTIME=150
843 +**Example:**  AT+FTIME=150
762 762  
763 763  
764 764  * (% style="color:blue" %)**Downlink Payload (prefix 0xAA):**
... ... @@ -767,7 +767,7 @@
767 767  
768 768  
769 769  
770 -=== 3.3.9 Set PDOP value for GPS fix accuracy ===
852 +=== 3.2.9 Set PDOP value for GPS fix accuracy ===
771 771  
772 772  
773 773  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.
... ... @@ -795,7 +795,7 @@
795 795  
796 796  * (% style="color:blue" %)**AT Command:**
797 797  
798 -(% style="color:#037691" %)**AT+CFM=xx. **
880 +(% style="color:#037691" %)**AT+CFM=xx**
799 799  
800 800  
801 801  **~ Example:**
... ... @@ -811,6 +811,27 @@
811 811  
812 812  
813 813  
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 +
814 814  = 4. Setting for Different Scenarios =
815 815  
816 816  
... ... @@ -853,7 +853,7 @@
853 853  
854 854  (% style="color:blue" %)**Step5:** (%%) Select the firmware file (.bin format), com port and proper SPI configure. Clink Start. Bin file location:
855 855  
856 -[[https:~~/~~/www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0>>url:https://www.dropbox.com/sh/733s8xlwahhqg1d/AABxDz80lBVX_to8zNuUQWFja?dl=0]]
959 +[[https:~~/~~/github.com/dragino/TrackerD/releases>>https://github.com/dragino/TrackerD/releases]]
857 857  
858 858  
859 859  Users need to use below files:
... ... @@ -890,6 +890,7 @@
890 890  [[image:1664503635019-941.png]]
891 891  
892 892  
996 +
893 893  * (% style="color:#037691" %)**Go to tools ~-~-> Boards ~-~-> Boards Manager**,(%%) **find the esp32 information and install it.**
894 894  
895 895  [[image:1664503715811-892.png]]
... ... @@ -954,6 +954,9 @@
954 954  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
955 955  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
956 956  
1061 +
1062 +
1063 +
957 957  = 8.  Order Info =
958 958  
959 959  
... ... @@ -969,6 +969,8 @@
969 969  * (% style="color:red" %)**AU915**(%%): Default frequency band AU915
970 970  * (% style="color:red" %)**US915**(%%): Default frequency band US915
971 971  
1079 +
1080 +
972 972  = 9.  Packing Info =
973 973  
974 974  
... ... @@ -982,6 +982,8 @@
982 982  * Device Size: 85 x 48 x 15 cm
983 983  * Weight: 50g
984 984  
1094 +
1095 +
985 985  = 10. Support =
986 986  
987 987  
... ... @@ -988,6 +988,8 @@
988 988  * 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.
989 989  * 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]].
990 990  
1102 +
1103 +
991 991  = 11.  Reference =
992 992  
993 993  
image-20221009160220-1.png
Author
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