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Last modified by Xiaoling on 2023/12/27 09:15
From version 188.2
edited by Xiaoling
on 2023/01/06 15:30
Change comment: There is no comment for this version
To version 149.1
edited by Edwin Chen
on 2022/11/24 09:07
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
... ... @@ -12,7 +12,6 @@
12 12  
13 13  
14 14  
15 -
16 16  = 1.  Introduction =
17 17  
18 18  == 1.1  What is TrackerD ==
... ... @@ -32,9 +32,12 @@
32 32  (((
33 33  The LoRa wireless technology used in TrackerD allows the user to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional tracking services.
34 34  )))
34 +)))
35 35  
36 36  (((
37 37  TrackerD is equipped with a (% style="color:blue" %)**1000mAh Li-on rechargeable battery**(%%). Each TrackerD has a worldwide unique OTAA keys to join the LoRaWAN network.
38 +
39 +
38 38  )))
39 39  
40 40  [[image:1664499921684-770.png||_mstalt="298194"]]
... ... @@ -93,8 +93,6 @@
93 93  * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
94 94  * Tracking: max: 38mA
95 95  
96 -
97 -
98 98  == 1.3  Features ==
99 99  
100 100  
... ... @@ -113,8 +113,6 @@
113 113  * Tri-color LED, Alarm button
114 114  * Datalog
115 115  
116 -
117 -
118 118  == 1.4  Applications ==
119 119  
120 120  
... ... @@ -121,8 +121,6 @@
121 121  * Logistics and Supply Chain Management
122 122  * Human tracking
123 123  
124 -
125 -
126 126  = 2.  Use TrackerD =
127 127  
128 128  == 2.1 How it works? ==
... ... @@ -288,8 +288,6 @@
288 288  |=(% 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
289 289  |=(% 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"]]
290 290  
291 -
292 -
293 293  === 2.4.2 Uplink FPORT~=2, Realtime GNSS Positioning + Temperature & Humidity ===
294 294  
295 295  
... ... @@ -331,7 +331,6 @@
331 331  * Latitude: 02863D68  ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://  //value = 02863D68 /1000000 = 42.351976//
332 332  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
333 333  
334 -
335 335  (% style="color:red" %)**Important note:**
336 336  
337 337  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.
... ... @@ -367,8 +367,6 @@
367 367  * 3.40v ~~ 3.69v:  20% ~~ 40%
368 368  * < 3.39v:  0~~20%
369 369  
370 -
371 -
372 372  ==== (% style="color:blue" %)**MOD:**(%%) ====
373 373  
374 374  **Example: ** (0x60>>6) & 0x3f =1
... ... @@ -430,7 +430,7 @@
430 430  === 2.4.4  Uplink FPORT~=4, History GNSS Positioning ===
431 431  
432 432  
433 -Set [[PNACKMD=1>>||anchor="H3.2.11A0AutoSendNone-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.
424 +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.
434 434  
435 435  
436 436  (% style="color:red" %)**Note for this mode:**
... ... @@ -485,8 +485,6 @@
485 485  * (% style="color:#037691" %)**Measured Power: ** (%%) The Measured Power from the strongest iBeacon.
486 486  * (% style="color:#037691" %)**RSSI:  ** (%%) The RSSI from the strongest iBeacon.
487 487  
488 -
489 -
490 490  === 2.4.6  Uplink FPORT~=8, WiFi Positioning with Strongest WiFi SSID（Since firmware 1.4.1） ===
491 491  
492 492  
... ... @@ -509,8 +509,6 @@
509 509  * (% style="color:#037691" %)**SSID:      **(%%)WiFi name.
510 510  * (% style="color:#037691" %)**RSSI:      **(%%)The RSSI from the strongest WiFi.
511 511  
512 -
513 -
514 514  === 2.4.7  Add Payload format in TTN V3 ===
515 515  
516 516  
... ... @@ -559,7 +559,7 @@
559 559  
560 560  total 273 entries,by default,
561 561  
562 -User can set [[PNACKMD=1>>||anchor="H3.2.11A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
549 +User can set [[PNACKMD=1>>||anchor="H3.2.10A0A0AutoSendNone-ACKmessages"]], to enable Datalog feature.
563 563  
564 564  Example use case.
565 565  
... ... @@ -599,12 +599,13 @@
599 599  
600 600  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.
601 601  
602 -* **[[MTDC>>||anchor="H3.2.3SetTransportModePackettransmissioninterval"]]** defines the Uplink Interval during transportation.
603 -* **[[TDC>>||anchor="H3.2.1SetTransmitInterval"]]** defines the uplink interval when TrackerD is stactic.
604 -* **[[PT>>||anchor="H3.2.16GetorSetThresholdformotiondetectFF08Sincefirmware1.4.3FF09"]]** defines the threldhold to detect a motion.
589 +~[~[MTDC>>||anchor="H3.2.3SetTransportModePackettransmissioninterval"]] defines the Uplink Interval during transportation.
605 605  
591 +~[~[TDC>>||anchor="H3.2.1SetTransmitInterval"]] defines the uplink interval when TrackerD is stactic.
606 606  
593 +~[~[PT>>||anchor="H3.2.1SetTransmitInterval"]] defines the threldhold to detect a motion.
607 607  
595 +
608 608  == 2.10 LED Status ==
609 609  
610 610  
... ... @@ -622,8 +622,6 @@
622 622  |(% style="width:157px" %)**Get Downlink**|(% style="width:271px" %)(% style="color:green" %)**GREEN**(%%) led on 1 second|(% style="width:202px" %)Yes
623 623  |(% style="width:157px" %)**Movement Detect**|(% style="width:271px" %)(% style="color:red" %)**RED **(%%)led on 500ms|(% style="width:202px" %)N/A
624 624  
625 -
626 -
627 627  == 2.11 Button Function ==
628 628  
629 629  
... ... @@ -645,8 +645,6 @@
645 645  |(% 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
646 646  |(% 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.
647 647  
648 -
649 -
650 650  == 2.12 USB Port Function ==
651 651  
652 652  
... ... @@ -657,8 +657,6 @@
657 657  * [[Configure Device>>||anchor="H3.ConfigureTrackerDviaATcommandorLoRaWANdownlink"]]
658 658  * [[Upgrade Firmware>>||anchor="H5.UploadFirmware"]]
659 659  
660 -
661 -
662 662  = 3. Configure TrackerD via AT command or LoRaWAN downlink =
663 663  
664 664  
... ... @@ -688,6 +688,7 @@
688 688  [[image:1664503047675-651.png||_mstalt="295386"]]
689 689  
690 690  
673 +
691 691  == 3.2 Command Set ==
692 692  
693 693  === 3.2.1 Set Transmit Interval ===
... ... @@ -753,7 +753,7 @@
753 753  (% style="color:#037691" %)**0x02 01**    (%%) ~/~/  Exit Alarm Mode
754 754  
755 755  
756 -=== 3.2.5 Disable/Enable LED flash and buzzer ===
739 +=== 3.2.5 Disable/Enable LED flash ===
757 757  
758 758  
759 759  Disable/Enable LED for position, downlink and uplink
... ... @@ -877,8 +877,8 @@
877 877  (% style="color:#037691" %)**0xAD 00 46**    (%%) ~/~/  Set AT+PDOP=7  (0x46 / 10 =7)
878 878  
879 879  
880 -=== 3.2.10 Disable/Enable the confirmation mode ===
881 881  
864 +=== 3.2.10 Disable/Enable the confirmation mode ===
882 882  
883 883  * (% style="color:blue" %)**AT Command:**
884 884  
... ... @@ -961,11 +961,11 @@
961 961  
962 962  (% style="color:blue" %)**AT Command:**
963 963  
964 -(% style="color:#037691" %)**AT+SHOWID=XX         **(%%) ~/~/  (Disable (0), Enable (1), default:0)
947 +(% style="color:#037691" %)**AT+SHOWID=XX         **(%%) ~/~/(Disable (0), Enable (1), default:0)
965 965  \\Example: AT+SHOWID=1 ~-~-> Enable Information printing.
966 966  
967 967  
968 -=== 3.2.15  Get or Set Eight Channels Mode, only for us915, AU915（Since firmware 1.4.1） ===
951 +=== 3.2.15 Get or Set Eight Channels Mode, only for us915, AU915（Since firmware 1.4.1） ===
969 969  
970 970  
971 971  The Channels Mode in the LORAWAN LMIC library is from 0 ~~ 7. When CHE = 8, 72 channels will be accessible to the network.
... ... @@ -972,34 +972,14 @@
972 972  
973 973  (% style="color:blue" %)**AT Command:**
974 974  
975 -(% style="color:#037691" %)**AT+CHE=1      **(%%) ~/~/ set one channels mode
958 +(% style="color:#037691" %)**AT+CHE=1**(%%) ~/~/ set one channels mode
976 976  
977 977  
978 978  (% style="color:blue" %)**Downlink Payload:0X24**
979 979  
980 -Example: 0x24 01  ~/~/ Same as AT+CHE=1
963 +Example: 0x24 01 ~/~/ Same as AT+CHE=1
981 981  
982 982  
983 -=== 3.2.16  Get or Set Threshold for motion detect（Since firmware 1.4.3） ===
984 -
985 -
986 -User can set the motion detect thredhold for transportation mode. The smaller the value, the more sensitivity to trigger a motion event.
987 -
988 -(% style="color:blue" %)**AT Command:**
989 -
990 -(% style="color:#037691" %)**AT+PT=xx**
991 -
992 - Example:
993 -
994 - AT+PT=14    ~-~->    Set to detect car motion.
995 -
996 - AT+PT=41  ~-~->    set to detect walk motion.
997 -
998 -
999 -(% style="color:blue" %)**Downlink Payload:0xB4**(%%)
1000 -0xB4 14          ~/~/  Same as AT+PT=14
1001 -
1002 -
1003 1003  = 4. Setting for Different Scenarios =
1004 1004  
1005 1005  
... ... @@ -1051,15 +1051,16 @@
1051 1051  US915.bin @ 0x10000(Select the bin file of the frequency band you need)
1052 1052  
1053 1053  
1054 -[[image:image-20221207120501-1.png]]
1017 +[[image:image-20221118105220-2.png||_mstalt="426608"]]
1055 1055  
1056 1056  
1057 1057  
1058 1058  After upgrade finish, it will show finish as below:
1059 1059  
1060 -[[image:image-20221207133911-7.png]]
1023 +[[image:image-20221118105402-4.png||_mstalt="427986"]]
1061 1061  
1062 1062  
1026 +
1063 1063  = 6. Developer Guide =
1064 1064  
1065 1065  == 6.1 Compile Source Code ==
... ... @@ -1081,69 +1081,13 @@
1081 1081  [[image:1664503715811-892.png||_mstalt="295698"]]
1082 1082  
1083 1083  
1084 -=== 6.1.2  Build the development environment ===
1085 -
1086 -
1087 -**~1. Download and install arduino IDE**
1088 -
1089 -[[https:~~/~~/www.arduino.cn/thread-5838-1-1.html>>url:https://links.jianshu.com/go?to=https%3A%2F%2Fwww.arduino.cn%2Fthread-5838-1-1.html]]
1090 -
1091 -
1092 -**2. Download the ESP32 development package in the arduino IDE**
1093 -
1094 -[[image:image-20221213100007-1.png]]
1095 -
1096 -
1097 -Input: [[https:~~/~~/dl.espressif.com/dl/package_esp32_index.json>>https://dl.espressif.com/dl/package_esp32_index.json]]
1098 -
1099 -[[image:image-20221213100626-2.png]]
1100 -
1101 -
1102 -Restart the IDE after the addition is complete, then:
1103 -
1104 -[[image:image-20221213100808-3.png||height="679" width="649"]]
1105 -
1106 -
1107 -[[image:image-20221213101040-4.png]]
1108 -
1109 -
1110 -(% style="color:red" %)**Note: Currently version 1.04 is almost impossible to download, you can choose version 1.03.
1111 -Don't quit halfway.~~! If you quit halfway, there is a high probability that it will freeze, and you will need to download again next time. (If you click to continue downloading, an error will be reported after completion)**
1112 -
1113 -Then enter a long waiting process. If you don't want to wait, you can go to the Internet to download directly, and then import:
1114 -
1115 -(% style="color:blue" %)**Methods as below:**
1116 -
1117 -~1. Download: [[https:~~/~~/github.com/dragino/TrackerD/releases/tag/v1.4.4>>https://github.com/dragino/TrackerD/releases/tag/v1.4.4]]
1118 -
1119 -2. Find the arduino installation path, hardware → create a new espressif folder → create a new esp32 folder, unzip the compressed package here.
1120 -
1121 1121  (% 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.
1122 1122  
1123 -[[image:image-20221213102311-5.png||height="582" width="711"]]
1124 -
1125 -
1126 -**3. Find tools→get.exe in the decompressed file and run it (it will close automatically after completion)**
1127 -
1128 -[[image:image-20221213102334-6.png]]
1129 -
1130 -(% style="color:red" %)**Note: This step requires a python environment**
1131 -
1132 -
1133 -Either way, in the end:
1134 -
1135 -The final effect is to open the arduino and you can see the esp32
1136 -
1137 -[[image:image-20221213110952-8.png||height="866" width="711"]]
1138 -
1139 -
1140 -
1141 1141  [[image:image-20221024105643-1.png||_mstalt="428129"]]
1142 1142  
1143 1143  **~ Figure1**
1144 1144  
1145 1145  
1146 -
1147 1147  [[image:image-20221024105643-2.png||_mstalt="428493"]]
1148 1148  
1149 1149   **Figure2**
... ... @@ -1203,8 +1203,6 @@
1203 1203  |(% style="width:118px" %)A8|(% style="width:67px" %)Yellow|(% style="width:123px" %)MTMS/GPIO14
1204 1204  |(% style="width:118px" %)B8|(% style="width:67px" %)Grey|(% style="width:123px" %)MTDO/GPIO15
1205 1205  
1206 -
1207 -
1208 1208  == 7.3 Notes on using different serial port tools for TrackerD ==
1209 1209  
1210 1210  === 7.3.1  Serial port utility ===
... ... @@ -1287,12 +1287,6 @@
1287 1287  [[image:image-20221116111844-5.png||_mstalt="430144" height="551" width="708"]]
1288 1288  
1289 1289  
1290 -== 7.5 Are there example python example for BLE Indoor Positioning? ==
1291 -
1292 -
1293 -[[Operating instructions for BLE indoor positioning>>doc:.Example of BLE indoor positioning python.WebHome]]
1294 -
1295 -
1296 1296  = 8  Trouble Shooting =
1297 1297  
1298 1298  == 8.1  TDC is changed to 4294947296 and cause no uplink. ==
... ... @@ -1299,7 +1299,7 @@
1299 1299  
1300 1300  
1301 1301  (((
1302 -Before firmware v1.4.0: When the Transport Mode is enabled ((% style="color:blue" %)**AT+INTWK=1**(%%)), the **TDC** needs to be greater than **MTDC**, otherwise, TDC setting will because 4294947296 after wakre up from motion. This bug is fixed in firmware v1.4.1
1202 +Before firmware v1.4.0: When the Transport Mode is enabled (**AT+INTWK=1**), the **TDC** needs to be greater than **MTDC**, otherwise, TDC setting will because 4294947296 after wakre up from motion. This bug is fixed in firmware v1.4.1
1303 1303  )))
1304 1304  
1305 1305  
... ... @@ -1313,65 +1313,54 @@
1313 1313  
1314 1314  == 8.3  Problem after Upgrading Firmware ==
1315 1315  
1316 -=== 8.3.1 "rst: (0x3 SW_RESET)" and Continue Restart after upgrading ===
1216 +=== 8.3.1 Continue Restart after upgrading ===
1317 1317  
1318 1318  
1319 -**Error Output**
1320 -
1321 -
1322 -[[image:image-20221122100004-4.png||_mstalt="424606"]]
1323 -
1324 -
1325 1325  (((
1326 -Some partition is missed during upgrade, please upgrade below four files as example:
1327 -
1328 -[[image:image-20221207120524-2.png]]
1220 +If it is V1.4.0 and the previous version, new partitions need to be loaded when upgrading. The new version of the software is stored in the partition package. The upgrade method is shown in the figure
1329 1329  )))
1330 1330  
1331 1331  
1332 -=== 8.3.2 TrackerD's led light is always GREEN on after upgrading ===
1224 +[[image:image-20221118105249-3.png||_mstalt="430664"]]
1333 1333  
1334 1334  
1335 -It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1
1227 +=== 8.3.2 TrackerD's led light is always GREEN on after upgrading ===
1336 1336  
1337 1337  
1338 -=== 8.3.3 "flash read err" after upgrade firmware ===
1230 +It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1
1339 1339  
1340 1340  
1233 +=== 8.3.3 "flash read err" after upgrade firmware ===
1234 +
1341 1341  Error shows below, user might erase the entire flash include u-boot partition which cause this issue.
1342 1342  
1343 -
1344 1344  [[image:image-20221122100004-1.png||_mstalt="423514" height="497" width="534"]]
1345 1345  
1346 1346  
1347 1347  User need to upgrade again with below four files to solve this issue.
1348 1348  
1349 - [[image:image-20221207120530-3.png]]
1242 + [[image:image-20221122100004-2.png||_mstalt="423878" height="619" width="389"]]
1350 1350  
1351 1351   **Figure 2**
1352 1352  
1353 1353  
1354 -=== 8.3.4  "Device Key become ff ff ff ff ff ff ff ff " after upgrade firmware ===
1247 +=== 8.3.3 "Device Key become ff ff ff ff ff ff ff ff " after upgrade firmware ===
1355 1355  
1356 -
1357 1357  User might erase the entire flash include keys and default settings which cause this issue.
1358 1358  
1359 -After the upgrade is completed, enter **AT+CFG** as shown in the figure below.
1251 +After the upgrade is completed, enter AT+CFG as shown in the figure below.
1360 1360  
1361 -
1362 1362  [[image:image-20221122100004-3.png||_mstalt="424242"]]
1363 1363  
1255 +Please **AT+FDR** which will reset all settings to factory settings. , and then input the following keys by the information on the label.
1364 1364  
1365 -Please (% style="color:blue" %)**AT+FDR**(%%) which will reset all settings to factory settings. , and then input the following keys by the information on the label.
1366 -
1367 1367  After AT+FDR. please set
1368 1368  
1369 -* (% _mstmutation="1" style="color:blue" %)**AT+PDOP=7**
1259 +* AT+PDOP=7
1260 +* AT+FTIME=180000
1370 1370  
1371 -* (% _mstmutation="1" style="color:blue" %)**AT+FTIME=180000**
1262 +Example:
1372 1372  
1373 -**Example:**
1374 -
1375 1375  AT+PDOP=7.00
1376 1376  
1377 1377  AT+FTIME=180
... ... @@ -1389,6 +1389,13 @@
1389 1389  AT+APPSKEY=dacce2299ecd97a73ee3f80b5a46a559   ( no need for OTAA)
1390 1390  
1391 1391  
1281 +
1282 +=== 8.3.4  If there is a situation in Figure 1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1 ===
1283 +
1284 +
1285 +[[image:image-20221122100004-4.png||_mstalt="424606"]]
1286 +
1287 +
1392 1392  == 8.4  When positioning, it will restart or the PDOP setting is unsuccessful ==
1393 1393  
1394 1394  
... ... @@ -1411,52 +1411,6 @@
1411 1411  Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1412 1412  
1413 1413  
1414 -== 8.6  When upgrading the firmware, the data is not completely erased, and the information does not return to normal after multiple resets ==
1415 -
1416 -
1417 -When upgrading, use the erase button to upgrade
1418 -
1419 -[[image:image-20221207120536-4.png]]
1420 -
1421 -
1422 -The parameters are displayed abnormally and cannot be fixed using AT+FDR
1423 -
1424 -[[image:image-20221128103040-2.png||height="431" width="525"]]
1425 -
1426 -
1427 -Please upgrade these four files,link（The boot_app0 file is in the version folder you need)
1428 -
1429 -[[image:image-20221207134028-8.png]]
1430 -
1431 -
1432 -Reboot information after upgrade
1433 -
1434 -[[image:image-20221128111443-4.png||height="432" width="546"]]
1435 -
1436 -
1437 -Use **AT+FDR** command to reset and then use **AT+CFG** to check whether the configuration is back to normal
1438 -
1439 -[[image:image-20221128111850-5.png]]
1440 -
1441 -
1442 -After the parameters return to normal, upgrade to the version you need again
1443 -
1444 -[[image:image-20221207120601-5.png]]
1445 -
1446 -
1447 -At this point, the parameters return to normal after running AT+FDR again
1448 -
1449 -[[image:image-20221128112035-7.png]]
1450 -
1451 -
1452 -== 8.7  If you encounter the following problems, please upgrade to the latest version ==
1453 -
1454 -
1455 -~1. Press and hold the red button (more than 5 seconds), and the device and server do not respond.
1456 -
1457 -2. Send some commands through the serial port to prompt an error (Example：AT+SMOD=1,0,1)
1458 -
1459 -
1460 1460  = 9.  Order Info =
1461 1461  
1462 1462  
... ... @@ -1478,8 +1478,6 @@
1478 1478  
1479 1479  * (% style="color:red" %)**US915**(%%): Default frequency band US915
1480 1480  
1481 -
1482 -
1483 1483  = 10.  Packing Info =
1484 1484  
1485 1485  
... ... @@ -1495,8 +1495,6 @@
1495 1495  
1496 1496  * Weight: 50g
1497 1497  
1498 -
1499 -
1500 1500  = 11. Support =
1501 1501  
1502 1502  
... ... @@ -1504,8 +1504,6 @@
1504 1504  
1505 1505  * 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]].
1506 1506  
1507 -
1508 -
1509 1509  = 12.  Reference =
1510 1510  
1511 1511  
... ... @@ -1514,9 +1514,3 @@
1514 1514  * **[[Source Code>>https://github.com/dragino/TrackerD]] **
1515 1515  
1516 1516  * [[**Hardware Source**>>https://www.dropbox.com/sh/orwoy6cecb89m4e/AAD37sRuUrvKsHgAJxuVTkB5a?dl=0]]
1517 -
1518 -
1519 -
1520 -
1521 -
1522 -)))
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