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Last modified by Xiaoling on 2025/04/27 16:48
From version 71.1
edited by Edwin Chen
on 2022/10/09 23:47
Change comment: There is no comment for this version
To version 51.32
edited by Xiaoling
on 2022/09/30 16:48
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -61,11 +61,13 @@
61 61  * EEPROM: 520 KB
62 62  * Clock Speed: 32Mhz
63 63  
64 +
64 64  (% style="color:blue" %)**Common DC Characteristics:**
65 65  
66 66  * Supply Voltage: 5V via USB port or Internal li-on battery
67 67  * Operating Temperature: -40 ~~ 60°C
68 68  
70 +
69 69  (% style="color:blue" %)**LoRa Spec:**
70 70  
71 71  * Frequency Range,
... ... @@ -87,10 +87,12 @@
87 87  * Packet engine up to 256 bytes with CRC.
88 88  * LoRaWAN 1.0.3 Specification
89 89  
92 +
90 90  (% style="color:blue" %)**Battery:**
91 91  
92 92  * 1000mA Li-on Battery power (for model TrackerD)
93 93  
97 +
94 94  (% style="color:blue" %)**Power Consumption**
95 95  
96 96  * Sleeping Mode: 200uA
... ... @@ -98,6 +98,7 @@
98 98  * Tracking: max: 38mA
99 99  
100 100  
105 +
101 101  == 1.3  Features ==
102 102  
103 103  
... ... @@ -117,6 +117,7 @@
117 117  * Datalog
118 118  
119 119  
125 +
120 120  == 1.4  Applications ==
121 121  
122 122  
... ... @@ -124,6 +124,7 @@
124 124  * Human tracking
125 125  
126 126  
133 +
127 127  = 2.1 Use TrackerD =
128 128  
129 129  
... ... @@ -186,93 +186,42 @@
186 186  (% 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.
187 187  
188 188  
196 +(% style="color:blue" %)**Positioning Mode(SMOD):**
189 189  
190 -== 2.3  Positioning Mode(SMOD) ==
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.
191 191  
202 +User can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
192 192  
193 -Users can set TrackerD to different Positioning Mode for different applications. Below mod are supported.
194 194  
195 -* (% style="color:#037691" %)**GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
196 -* (% style="color:#037691" %)**BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
197 -* (% 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.
198 198  
199 -Users can switch modes by [[changing SMOD>>||anchor="H3.2.7SetPositioningMode"]].
206 +== 2.3 Uplink Payload ==
200 200  
201 201  
209 +=== 2.3.1 Uplink FPORT~=5, Device Status ===
202 202  
203 -== 2.4  Uplink Payload ==
204 204  
205 205  
206 -=== 2.4.1 Uplink FPORT~=5, Device Status ===
213 +=== 2.3.2 Uplink FPORT~= , Realtime GNSS Positioning ===
207 207  
208 208  
209 -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.
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. )
210 210  
211 211  
212 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
213 -|=(% 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
214 -|=(% 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
215 -
216 -[[image:1665301570342-765.png]]
217 -
218 -
219 -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"]]
220 -
221 -**Sensor Model**: For TrackerD, this value is 0x13.
222 -
223 -**Firmware Version**: 0x0100, Means: v1.0.0 version.
224 -
225 -**Frequency Band**:
226 -
227 -*0x01: EU868
228 -
229 -*0x02: US915
230 -
231 -*0x03: IN865
232 -
233 -*0x04: AU915
234 -
235 -*0x05: KZ865
236 -
237 -*0x06: RU864
238 -
239 -*0x07: AS923
240 -
241 -*0x08: AS923-1
242 -
243 -*0x09: AS923-2
244 -
245 -*0x0a: AS923-3
246 -
247 -**Sub-Band**: value 0x00 ~~ 0x08(only for CN470, AU915,US915. Others are0x00)
248 -
249 -**BAT**: shows the battery voltage for TrackerD.
250 -
251 -Ex1: 0x0B3A = 2874mV
252 -
253 -Use can also get the Device Status uplink through the downlink command:
254 -
255 -
256 -
257 -=== 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
258 -
259 -
260 -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.
261 -
262 -
263 263  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
264 264  |=(% scope="row" style="width: 50px;" %)(((
265 265  **Size(bytes)**
266 -)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1|(% style="width:40px" %)(((
267 -2
222 +)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:50px" %)1|(% style="width:88px" %)(((
223 +2(optional)
268 268  )))|(% style="width:87px" %)(((
269 -2
225 +2(optional)
270 270  )))
271 271  |=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
272 272  [[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
273 -)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:40px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
229 +)))|(% style="width:52px" %)[[FLAG>>||anchor="HFLAG:"]]|(% style="width:88px" %)[[Hum>>||anchor="HHum:"]]|(% style="width:87px" %)[[Tem>>||anchor="HTem:"]]
274 274  
275 -[[image:1665301636888-168.png]]
231 +[[image:1664501958445-288.png]]
276 276  
277 277  
278 278  ==== (% style="color:blue" %)**Alarm & BAT:**(%%) ====
... ... @@ -281,15 +281,11 @@
281 281  |=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)1 bit|(% style="width:80px" %)1bit|(% style="width:50px" %)14bits
282 282  |=(% style="width: 72px;" %)**Value**|(% style="width:67px" %)reserve|(% style="width:118px" %)Alarm Indicate|(% style="width:63px" %)[[BAT>>||anchor="HBAT:"]] 
283 283  
284 -==== ====
285 -
286 -==== ====
287 -
288 288  ==== (% style="color:blue" %)**FLAG:**(%%) ====
289 289  
290 290  (% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:250px" %)
291 -|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit
292 -|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]
243 +|=(% scope="row" style="width: 50px;" %)**Size(bit)**|(% style="width:50px" %)2bits|(% style="width:50px" %)1bit|(% style="width:100px" %)5 bits
244 +|=(% style="width: 79px;" %)**Value**|(% style="width:55px" %)[[MOD>>||anchor="H3.2.7SetPositioningMode"]]|(% style="width:47px" %)[[LON>>||anchor="HLON:"]]|(% style="width:140px" %)Firmware version 
293 293  
294 294  **Example:** Payload: 0x02863D68 FAC29BAF 4B45 60 0202 011A 
295 295  
... ... @@ -300,18 +300,22 @@
300 300  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
301 301  
302 302  
255 +
303 303  (% style="color:red" %)**Important note:**
304 304  
305 305  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.
306 306  
307 -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:
260 +2.  In firmware version v1.5, Roll & Pitch is disabled by default.
308 308  
262 +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:
309 309  
264 +
310 310  [[image:1664502116362-706.png]]
311 311  
312 312  
313 -3.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
314 314  
269 +4.  While GPS can't get location info after timeout(FTIME Parameter), the latitude and longitude will be filled with all 0x00:
270 +
315 315  [[image:1664502166010-515.png]]
316 316  
317 317  
... ... @@ -321,13 +321,12 @@
321 321  Example:  0x4B & 0x40 >> 6 = 0x01
322 322  
323 323  
324 -
325 325  ==== (% style="color:blue" %)**BAT:**(%%) ====
326 326  
327 327  Example:  0x0CDD & 0x3FFF ⇒ 3293 (mV).
328 328  
329 329  (((
330 -The battery info shows the battery voltage, User can use the below mapping to indicate the battery in percentage: \
285 +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: \
331 331  )))
332 332  
333 333  * > 4.0v :  80% ~~ 100%
... ... @@ -337,8 +337,10 @@
337 337  * < 3.39v:  0~~20%
338 338  
339 339  
295 +
340 340  ==== (% style="color:blue" %)**LON:**(%%) ====
341 341  
298 +
342 342  Enable/Disable LED activity for uplink
343 343  
344 344  (((
... ... @@ -361,51 +361,15 @@
361 361  
362 362  
363 363  
364 -=== 2.4.3  Uplink FPORT~=3, Realtime GNSS Positioning (Default Mode) ===
321 +=== 2.3.3 Uplink FPORT~= , History GNSS Positioning ===
365 365  
366 366  
367 -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)
368 368  
325 +=== 2.3.4 BLE positioning Payload(Fport2) ===
369 369  
370 -(% border="1.2" cellspacing="3" style="background-color:#ffffcc; color:green; width:480px" %)
371 -|=(% scope="row" style="width: 50px;" %)(((
372 -**Size(bytes)**
373 -)))|(% style="width:60px" %)4|(% style="width:70px" %)4|(% style="width:80px" %)2|(% style="width:73px" %)1
374 -|=(% style="width: 69px;" %)**Value**|(% style="width:76px" %)[[Latitude>>||anchor="HLocationinfo:"]]|(% style="width:87px" %)[[Longitude>>||anchor="HLocationinfo:"]]|(% style="width:76px" %)(((
375 -[[Alarm & BAT>>||anchor="HAlarm26BAT:"]]
376 -)))|(% style="width:73px" %)[[FLAG>>||anchor="HFLAG:"]]
377 377  
378 -(% class="wikigeneratedid" %)
379 -[[image:1665301687277-443.png]]
328 +Different MODE has different payload:  (% style="color:blue" %)**MODE=2**
380 380  
381 -
382 -
383 -=== 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
384 -
385 -
386 -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.
387 -
388 -
389 -(% style="color:red" %)**Note for this mode:**
390 -
391 -* a) TrackerD will do an ACK check for data records sending to make sure every data arrive server.
392 -* 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.
393 -
394 -The payload is 15 bytes, as below.
395 -
396 -(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
397 -|=(% scope="row" %)(((
398 -**Size(bytes)**
399 -)))|4|4|2|1|1|1|1|1
400 -|=**Value**|Latitude|Longitude|Year|Month|Day|Hous|Min|Sen
401 -
402 -[[image:image-20221009160309-2.png]]
403 -
404 -
405 -
406 -=== 2.4.5  Uplink FPORT~=6, BLE Positioning with Strongest iBeacon ===
407 -
408 -
409 409  (% border="1.5" cellspacing="3" style="background-color:#ffffcc; color:green; width:450px" %)
410 410  |=(% scope="row" style="width: 60px;" %)(((
411 411  **Size(bytes)**
... ... @@ -435,7 +435,7 @@
435 435  
436 436  
437 437  
438 -=== 2.4.6  Add Payload format in TTN V3 ===
359 +=== 2.3.5 Add Payload format in TTN V3 ===
439 439  
440 440  
441 441  In TTN V3, use can add a custom payload so it shows friendly.
... ... @@ -455,7 +455,7 @@
455 455  
456 456  
457 457  
458 -== 2.5 Integrate with Datacake ==
379 +== 2.4 Integrate with Datacake ==
459 459  
460 460  
461 461  (((
... ... @@ -471,7 +471,7 @@
471 471  
472 472  
473 473  
474 -== 2.6 Integrate with Tago ==
395 +== 2.5 Integrate with Tago ==
475 475  
476 476  
477 477  (((
... ... @@ -487,24 +487,9 @@
487 487  
488 488  
489 489  
490 -== 2.7  Datalog Feature ==
411 +== 2.6 Alarm Mode ==
491 491  
492 492  
493 -total 273 entries,by default disable
494 -
495 -
496 -Example use case.
497 -
498 -[[image:image-20221009234703-2.png]]
499 -
500 -
501 -[[image:image-20221009234629-1.png||height="441" width="652"]]
502 -
503 -
504 -
505 -== 2.8 Alarm Mode ==
506 -
507 -
508 508  (((
509 509  User can push the (% style="color:red" %)**RED button**(%%) by more than 5 seconds to enter Alarm Mode.
510 510  )))
... ... @@ -528,16 +528,13 @@
528 528  
529 529  
530 530  
531 -== 2.9 Transport Mode ==
437 +== 2.7 Sports Mode ==
532 532  
533 533  
534 -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.
535 535  
441 +== 2.8 LED Status ==
536 536  
537 537  
538 -== 2.10 LED Status ==
539 -
540 -
541 541  (% border="1.5" style="background-color:#ffffcc; color:green; width:500px" %)
542 542  |=(% style="width: 150px;" %)**Event**|=(% style="width: 200px;" %)**Action**|=(% style="width: 150px;" %)**AT+LON to control on/off**
543 543  |(% style="width:157px" %)**Power On**|(% style="width:271px" %)(% style="color:blue" %)**BLUE, **(% style="color:red" %)**RED , **(% style="color:green" %)**Green** flash once|(% style="width:202px" %)N/A
... ... @@ -554,7 +554,7 @@
554 554  
555 555  
556 556  
557 -== 2.11 Button Function ==
460 +== 2.9 Button Function ==
558 558  
559 559  
560 560  (% style="color:blue" %)**RESET button:**
... ... @@ -577,7 +577,7 @@
577 577  
578 578  
579 579  
580 -== 2.12 USB Port Function ==
483 +== 2.10 USB Port Function ==
581 581  
582 582  
583 583  The USB interface of TrackerD has below functions:
... ... @@ -661,16 +661,16 @@
661 661  
662 662  
663 663  
664 -=== 3.2.3 Set Transport Mode Packet transmission interval ===
567 +=== 3.2.3 Set Sports Mode Packet transmission interval ===
665 665  
666 666  
667 -Set Transport Mode packet transmit interval
570 +Set sports packet transmit interval
668 668  
669 669  * (% style="color:blue" %)**AT Command:**
670 670  
671 671  (% style="color:#037691" %)**AT+MTDC=xx. **
672 672  
673 -Example:  AT+MTDC=300000  **~-~->    ** Set Transport Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Transport mode, Default Value: 300000
576 +Example:  AT+MTDC=300000  **~-~->    ** Set Sports Mode Packet Interval to 300 seconds. TrackerD will send every 300 seconds in Sports mode, Default Value: 300000
674 674  
675 675  
676 676  * (% style="color:blue" %)**Downlink Payload (prefix 0x03):**
... ... @@ -710,16 +710,16 @@
710 710  
711 711  
712 712  
713 -=== 3.2.6 Disable/Enable Transport Mode ===
616 +=== 3.2.6 Disable/Enable movement detect (Debug Only) ===
714 714  
715 715  
716 -Users can use this feature to enable/disable Transport Mode.
619 +User can use this feature to check and set thread hole of movement detect
717 717  
718 718  * (% style="color:blue" %)**AT Command:**
719 719  
720 720  (% style="color:#037691" %)**AT+INTWK=xx.  (Disable (0), Enable (1), default:0)**
721 721  
722 -Example:  AT+ INTWK =1  **~-~->   ** Enable Transport Mode.
625 +Example:  AT+ INTWK =1  **~-~->   ** Enable detect movement.
723 723  
724 724  
725 725  * (% style="color:blue" %)**Downlink Payload (prefix 0xAF):**
... ... @@ -731,30 +731,23 @@
731 731  === 3.2.7 Set Positioning Mode ===
732 732  
733 733  
734 -SMOD define the how TrackerD scan and uplink data:
637 +SMOD define the how TrackerD scan and uplink date.
735 735  
639 +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。
736 736  
737 -* (% style="color:blue" %)**AT Command:**
641 +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）。
738 738  
739 -(% style="color:#037691" %)**AT+SMOD=aa,bb**
643 +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）。
740 740  
741 -(% style="color:#037691" %)** aa:**
645 +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。
742 742  
743 -* (% style="color:#037691" %)**1: GPS ONLY(Factory Settings):    **(%%)only get and uplink GPS location info.
744 -* (% style="color:#037691" %)**2: BLE ONLY:              **(%%)Only obtain iBeacon info via BLE and uplink. Design for Indoor tracking.
745 -* (% 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
746 746  
747 -(% style="color:#037691" %)**bb:**
748 748  
749 -(% style="color:#037691" %)** if aa = 1: **
649 +* (% style="color:blue" %)**AT Command:**
750 750  
751 -* (% style="color:#037691" %)**0 :  **(%%)GPS+ BAT+ State+Tem&Hum
752 -* (% style="color:#037691" %)**1 :**(%%)  GPS +BAT State
651 +(% style="color:#037691" %)**AT+SMOD=xx. **
753 753  
754 -(% style="color:#037691" %)** if aa = 2: **
755 755  
756 -* (% style="color:#037691" %)**3 :  **(%%)(iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
757 -
758 758   **Example:**
759 759  
760 760   AT+ SMOD =1,0  **~-~-> ** GPS+ BAT+ State+Tem&Hum
... ... @@ -761,7 +761,7 @@
761 761  
762 762   AT+ SMOD =1,1    **~-~->**  GPS +BAT State
763 763  
764 - AT+ SMOD =2,3    **~-~->**  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State
660 + AT+ SMOD =2,3    **~-~->**  (iBeacon)UUID+ Major + Minor+Power+Rssi+BAT+State。
765 765  
766 766  
767 767  * (% style="color:blue" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -792,7 +792,7 @@
792 792  
793 793  
794 794  
795 -=== 3.2.9 Set PDOP value for GPS fix accuracy ===
691 +=== 3.3.9 Set PDOP value for GPS fix accuracy ===
796 796  
797 797  
798 798  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.
... ... @@ -915,7 +915,6 @@
915 915  [[image:1664503635019-941.png]]
916 916  
917 917  
918 -
919 919  * (% style="color:#037691" %)**Go to tools ~-~-> Boards ~-~-> Boards Manager**,(%%) **find the esp32 information and install it.**
920 920  
921 921  [[image:1664503715811-892.png]]
... ... @@ -982,6 +982,7 @@
982 982  
983 983  
984 984  
880 +
985 985  = 8.  Order Info =
986 986  
987 987  
... ... @@ -1013,6 +1013,7 @@
1013 1013  * Weight: 50g
1014 1014  
1015 1015  
912 +
1016 1016  = 10. Support =
1017 1017  
1018 1018  
... ... @@ -1020,6 +1020,7 @@
1020 1020  * 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]].
1021 1021  
1022 1022  
920 +
1023 1023  = 11.  Reference =
1024 1024  
1025 1025  
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