Last modified by Xiaoling on 2025/04/14 16:33
<
From version < 51.29 >
edited by Xiaoling
on 2022/09/30 15:58
To version < 59.5 >
edited by Edwin Chen
on 2022/10/08 18:17
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 +== ==
2 +
1 1  (% style="text-align:center" %)
2 2  [[image:1664505654417-133.png]]
3 3  
... ... @@ -61,13 +61,11 @@
61 61  * EEPROM: 520 KB
62 62  * Clock Speed: 32Mhz
63 63  
64 -
65 65  (% style="color:blue" %)**Common DC Characteristics:**
66 66  
67 67  * Supply Voltage: 5V via USB port or Internal li-on battery
68 68  * Operating Temperature: -40 ~~ 60°C
69 69  
70 -
71 71  (% style="color:blue" %)**LoRa Spec:**
72 72  
73 73  * Frequency Range,
... ... @@ -89,12 +89,10 @@
89 89  * Packet engine up to 256 bytes with CRC.
90 90  * LoRaWAN 1.0.3 Specification
91 91  
92 -
93 93  (% style="color:blue" %)**Battery:**
94 94  
95 95  * 1000mA Li-on Battery power (for model TrackerD)
96 96  
97 -
98 98  (% style="color:blue" %)**Power Consumption**
99 99  
100 100  * Sleeping Mode: 200uA
... ... @@ -101,8 +101,6 @@
101 101  * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
102 102  * Tracking: max: 38mA
103 103  
104 -
105 -
106 106  == 1.3  Features ==
107 107  
108 108  
... ... @@ -109,7 +109,7 @@
109 109  * LoRaWAN 1.0.3 Class A
110 110  * ESP32 PICO D4
111 111  * SX1276/78 Wireless Chip
112 -** Arduino IDE Compatible
108 +* Arduino IDE Compatible
113 113  * Open source hardware / software
114 114  * Regular/ Real-time GPS,BLE,WIFI tracking
115 115  * Built-in3 axis accelerometer (LIS3DH)
... ... @@ -121,8 +121,6 @@
121 121  * Tri-color LED, Alarm button
122 122  * Datalog
123 123  
124 -
125 -
126 126  == 1.4  Applications ==
127 127  
128 128  
... ... @@ -129,8 +129,6 @@
129 129  * Logistics and Supply Chain Management
130 130  * Human tracking
131 131  
132 -
133 -
134 134  = 2.1 Use TrackerD =
135 135  
136 136  
... ... @@ -193,14 +193,15 @@
193 193  (% 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.
194 194  
195 195  
196 -(% style="color:blue" %)**Positioning Mode(SMOD):**
188 +== 2.3 Positioning Mode(SMOD) ==
197 197  
198 -* (% style="color:#037691" %)**GPS ONLY(Factory Settings):    **(%%)only get GPS location info.
199 -* (% style="color:#037691" %)**BLE ONLY:              **(%%)Only obtain iBeacon info via BLE. Design for Indoor tracking.
200 -* (% style="color:#037691" %)**GPS/BLE Hybrid:   **(%%)Combination for Indoor and Outdoor tracking.
190 +Users can set TrackerD to different Positioning Mode for different applications. Below mod are supported.
201 201  
202 -User can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
192 +* (% style="color:#037691" %)**GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
193 +* (% style="color:#037691" %)**BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
194 +* (% style="color:#037691" %)**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.
203 203  
196 +Users can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
204 204  
205 205  
206 206  == 2.3 Uplink Payload ==
... ... @@ -208,25 +208,67 @@
208 208  
209 209  === 2.3.1 Uplink FPORT~=5, Device Status ===
210 210  
204 +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.
211 211  
206 +|=(% style="width: 150px;" %)**Size (bytes)**|=(% style="width: 233px;" %)**1**|=(% style="width: 150px;" %)**2**|=(% style="width: 164px;" %)**1**|=(% style="width: 215px;" %)**1**|=(% style="width: 94px;" %)2|=(% style="width: 516px;" %)**2**|=(% style="width: 516px;" %)1
207 +|(% style="width:150px" %)**Value**|(% style="width:233px" %)Sensor Model|(% style="width:150px" %)Firmware Version|(% style="width:164px" %)Frequency Band|(% style="width:215px" %)Sub-band|(% style="width:94px" %)BAT|(% style="width:516px" %)SMOD|(% style="width:516px" %)Status
212 212  
213 -=== 2.3.2 Uplink FPORT~= , Realtime GNSS Positioning ===
209 +[[image:image-20221006181357-2.png]]
214 214  
211 +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"]]
215 215  
216 -The default uplink payload includes totally 11 bytes. (User can use AT+MOD=0 to enable the Temperature and humidity sensor to hum/tem info from accelerometer. When accelerometer info is enable, total payload will be 15 bytes, please note 15 bytes won't work on DR0 on US915/AU915 frequency band. )
213 +**Sensor Model**: For TrackerD, this value is 0x13.
217 217  
215 +**Firmware Version**: 0x0100, Means: v1.0.0 version.
218 218  
217 +**Frequency Band**:
218 +
219 +*0x01: EU868
220 +
221 +*0x02: US915
222 +
223 +*0x03: IN865
224 +
225 +*0x04: AU915
226 +
227 +*0x05: KZ865
228 +
229 +*0x06: RU864
230 +
231 +*0x07: AS923
232 +
233 +*0x08: AS923-1
234 +
235 +*0x09: AS923-2
236 +
237 +*0x0a: AS923-3
238 +
239 +**Sub-Band**: value 0x00 ~~ 0x08(only for CN470, AU915,US915. Others are0x00)
240 +
241 +**BAT**: shows the battery voltage for TrackerD.
242 +
243 +Ex1: 0x0B3A = 2874mV
244 +
245 +Use can also get the Device Status uplink through the downlink command:
246 +
247 +
248 +=== 2.3.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
249 +
250 +
251 +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.
252 +
253 +
219 219  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
220 220  |=(% scope="row" style="width: 50px;" %)(((
221 221  **Size(bytes)**
222 -)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:50px" %)1|(% style="width:88px" %)(((
223 -2(optional)
257 +)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1|(% style="width:40px" %)(((
258 +2
224 224  )))|(% style="width:87px" %)(((
225 -2(optional)
260 +2
226 226  )))
227 227  |=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
228 228  [[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
229 -)))|(% style="width:52px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:88px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
264 +)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:40px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
230 230  
231 231  [[image:1664501958445-288.png]]
232 232  
... ... @@ -237,12 +237,11 @@
237 237  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)1 bit|(% style="width:80px" %)1bit|(% style="width:50px" %)14bits
238 238  |=(% style="width: 72px;" %)**Value**|(% style="width:67px" %)reserve|(% style="width:118px" %)Alarm Indicate|(% style="width:63px" %)[[BAT>>||anchor="HBAT:"]] 
239 239  
240 -
241 241  ==== (% style="color:blue" %)**FLAG:**(%%) ====
242 242  
243 243  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
244 -|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit|(% style="width:100px" %)5 bits
245 -|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]|(% style="width:140px" %)Firmware version 
278 +|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit
279 +|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]
246 246  
247 247  **Example:** Payload: 0x02863D68 FAC29BAF 4B45 60 0202 011A 
248 248  
... ... @@ -253,22 +253,18 @@
253 253  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
254 254  
255 255  
256 -
257 257  (% style="color:red" %)**Important note:**
258 258  
259 259  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.
260 260  
261 -2.  In firmware version v1.5, Roll & Pitch is disabled by default.
294 +2.  In this mode, the total payload will be 15 bytes, while US915/AU915 DR0 accepts only 11 bytes payload. In this case, the payload on server will be ignore and shows as below:
262 262  
263 -3.  When enable 9-axis motion sensor, the total payload will be 15 bytes, while US915/AU915 DR0 accept only 11 bytes payload. In this case, the payload on server will be ignore and shows as below:
264 264  
265 -
266 266  [[image:1664502116362-706.png]]
267 267  
268 268  
300 +3.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
269 269  
270 -4.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
271 -
272 272  [[image:1664502166010-515.png]]
273 273  
274 274  
... ... @@ -283,10 +283,9 @@
283 283  Example:  0x0CDD & 0x3FFF ⇒ 3293 (mV).
284 284  
285 285  (((
286 -The battery info shows the current voltage, for (% style="color:blue" %)**TrackerD**(%%) version which powered by li-on battery. User can use below mapping to indicate the battery in percentage: \
316 +The battery info shows the battery voltage, User can use the below mapping to indicate the battery in percentage: \
287 287  )))
288 288  
289 -
290 290  * > 4.0v :  80% ~~ 100%
291 291  * 3.85v ~~3.99v:  60% ~~ 80%
292 292  * 3.70v ~~ 3.84v:  40% ~~ 60%
... ... @@ -296,7 +296,6 @@
296 296  
297 297  ==== (% style="color:blue" %)**LON:**(%%) ====
298 298  
299 -
300 300  Enable/Disable LED activity for uplink
301 301  
302 302  (((
... ... @@ -318,16 +318,37 @@
318 318  011A =if (0x011A & 0x8000 = 1 ):  value =( 0x011A - 0x10000)/10(dec) ⇒ -//28.2 degree//
319 319  
320 320  
349 +=== 2.3.3  Uplink FPORT~=3, Realtime GNSS Positioning (Default Mode) ===
321 321  
322 -=== 2.3.3 Uplink FPORT~= , History GNSS Positioning ===
351 +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)
323 323  
324 324  
354 +(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
355 +|=(% scope="row" style="width: 50px;" %)(((
356 +**Size(bytes)**
357 +)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1
358 +|=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
359 +[[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
360 +)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]
325 325  
326 -=== 2.3.4 BLE positioning Payload(Fport2) ===
327 327  
328 328  
329 -Different MODE has different payload:  (% style="color:blue" %)**MODE=2**
364 +=== 2.3.4  Uplink FPORT~=4, History GNSS Positioning ===
330 330  
366 +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.
367 +
368 +**Note for this mode:**
369 +
370 +* a) TrackerD will do an ACK check for data records sending to make sure every data arrive server.
371 +* b) TrackerD will send data in **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.
372 +
373 +The payload is 15 bytes, as below.
374 +
375 +
376 +
377 +=== 2.3.5  Uplink FPORT~=6, BLE Positioning with Strongest iBeacon ===
378 +
379 +
331 331  (% border="1.5" cellspacing="3" style="background-color:#ffffcc; color:green; width:450px" %)
332 332  |=(% scope="row" style="width: 60px;" %)(((
333 333  **Size(bytes)**
... ... @@ -344,7 +344,6 @@
344 344  [[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
345 345  )))|(% style="width:15px" %)[[FLAG>>||anchor="HFLAG:"]]
346 346  
347 -
348 348  [[image:1664502425687-834.png]]
349 349  
350 350  
... ... @@ -356,8 +356,6 @@
356 356  * (% style="color:#037691" %)**Measured Power: ** (%%) The Measured Power from the strongest iBeacon.
357 357  * (% style="color:#037691" %)**RSSI:  ** (%%) The RSSI from the strongest iBeacon.
358 358  
359 -
360 -
361 361  === 2.3.5 Add Payload format in TTN V3 ===
362 362  
363 363  
... ... @@ -410,6 +410,9 @@
410 410  
411 411  
412 412  
459 +== 2.6 Datalog Feature ==
460 +
461 +
413 413  == 2.6 Alarm Mode ==
414 414  
415 415  
... ... @@ -430,7 +430,6 @@
430 430  * Server send a downlink command to exit.
431 431  * User fast press the RED button 10 times.
432 432  
433 -
434 434  (((
435 435  When exit alarm mode, (% style="color:red" %)**RED LED**(%%) will light up for 5 seconds, indicating that the alarm mode is exited. And the alert flag will be set to false.
436 436  )))
... ... @@ -437,10 +437,12 @@
437 437  
438 438  
439 439  
440 -== 2.7 Sports Mode ==
488 +== 2.7 Transport Mode ==
441 441  
442 442  
491 +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.
443 443  
493 +
444 444  == 2.8 LED Status ==
445 445  
446 446  
... ... @@ -458,8 +458,6 @@
458 458  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
459 459  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
460 460  
461 -
462 -
463 463  == 2.9 Button Function ==
464 464  
465 465  
... ... @@ -481,8 +481,6 @@
481 481  |(% 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
482 482  |(% 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.
483 483  
484 -
485 -
486 486  == 2.10 USB Port Function ==
487 487  
488 488  
... ... @@ -493,9 +493,6 @@
493 493  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
494 494  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
495 495  
496 -
497 -
498 -
499 499  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
500 500  
501 501  
... ... @@ -568,16 +568,16 @@
568 568  
569 569  
570 570  
571 -=== 3.2.3 Set Sports Mode Packet transmission interval ===
614 +=== 3.2.3 Set Transport Mode Packet transmission interval ===
572 572  
573 573  
574 -Set sports packet transmit interval
617 +Set Transport Mode packet transmit interval
575 575  
576 576  * (% style="color:blue" %)**AT Command:**
577 577  
578 578  (% style="color:#037691" %)**AT+MTDC=xx. **
579 579  
580 -Example:  AT+MTDC=300000  **~-~->    ** Set Sports Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Sports mode, Default Value: 300000
623 +Example:  AT+MTDC=300000  **~-~->    ** Set Transport Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Transport mode, Default Value: 300000
581 581  
582 582  
583 583  * (% style="color:blue" %)**Downlink Payload (prefix 0x03):**
... ... @@ -617,16 +617,16 @@
617 617  
618 618  
619 619  
620 -=== 3.2.6 Disable/Enable movement detect (Debug Only) ===
663 +=== 3.2.6 Disable/Enable Transport Mode ===
621 621  
622 622  
623 -User can use this feature to check and set thread hole of movement detect
666 +Users can use this feature to enable/disable Transport Mode.
624 624  
625 625  * (% style="color:blue" %)**AT Command:**
626 626  
627 627  (% style="color:#037691" %)**AT+INTWK=xx.  (Disable (0), Enable (1), default:0)**
628 628  
629 -Example:  AT+ INTWK =1  **~-~->   ** Enable detect movement.
672 +Example:  AT+ INTWK =1  **~-~->   ** Enable Transport Mode.
630 630  
631 631  
632 632  * (% style="color:blue" %)**Downlink Payload (prefix 0xAF):**
... ... @@ -638,18 +638,9 @@
638 638  === 3.2.7 Set Positioning Mode ===
639 639  
640 640  
641 -SMOD define the how TrackerD scan and uplink date.
684 +SMOD define the how TrackerD scan and uplink data:
642 642  
643 -GPS室外定位模式：  设备默认模式，设备入网后会发送device当前模式下的信息，随后立即定位发送数据包（默认是3分钟定位，超过将发送无效数据），如果出现意外情况下，快速按键3下，将会发出报警消息（默认每分钟发送一次）。GPS还有一种logdata模式，在断网的情况下将数据存储下来，等到有网的时候，一次将数据以每10秒上报。
644 644  
645 -BLE室内定位模式：  设备入网后会发送device当前模式下的信息，随后立即定位发送数据包（默认是5秒，超过将发送无效数据），如果出现意外情况下，快速按键3下，将会发出报警消息（默认每3分钟发送一次）。
646 -
647 -GPS和BLE混动模式：设备入网后会发送device当前模式下的信息，随后立即判断是否在室内，如果是就进行BLE定位，不是就GPS定位。如果出现意外情况下，快速按键3下，将会发出报警消息（默认每分钟发送一次）。
648 -
649 -运动模式：  设备入网后会发送device当前模式下的信息，随后发送GPS定位数据，设备判断是否在运动，没有运动传感器没有检测到动作，立即进入静止状态（默认20分钟），如果产生运动，将每5分钟发送一次数据，再第五分钟后检测设备有误运动，无将切换到静止状态，有立即发送数据。
650 -
651 -
652 -
653 653  * (% style="color:blue" %)**AT Command:**
654 654  
655 655  (% style="color:#037691" %)**AT+SMOD=xx. **
... ... @@ -879,8 +879,6 @@
879 879  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
880 880  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
881 881  
882 -
883 -
884 884  = 8.  Order Info =
885 885  
886 886  
... ... @@ -896,25 +896,19 @@
896 896  * (% style="color:red" %)**AU915**(%%): Default frequency band AU915
897 897  * (% style="color:red" %)**US915**(%%): Default frequency band US915
898 898  
899 -
900 -
901 -
902 902  = 9.  Packing Info =
903 903  
904 904  
905 -**(% style="color:#037691" %)Package Includes**:
934 +(% style="color:#037691" %)**Package Includes**:
906 906  
907 907  * TrackerD LoRaWAN GPS/BLE Tracker x 1
908 908  * USB recharge & program cable x 1
909 909  
910 -**(% style="color:#037691" %)Dimensions and Weight**:
939 +(% style="color:#037691" %)**Dimensions and Weight**:
911 911  
912 912  * Device Size: 85 x 48 x 15 cm
913 913  * Weight: 50g
914 914  
915 -
916 -
917 -
918 918  = 10. Support =
919 919  
920 920  
... ... @@ -921,9 +921,6 @@
921 921  * 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.
922 922  * 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]].
923 923  
924 -
925 -
926 -
927 927  = 11.  Reference =
928 928  
929 929  
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931 931  * **[[Source Code>>https://github.com/dragino/TrackerD]] **
932 932  * [[**Hardware Source**>>https://www.dropbox.com/sh/orwoy6cecb89m4e/AAD37sRuUrvKsHgAJxuVTkB5a?dl=0]]
933 933  
934 -
935 935  
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