Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Xiaoling on 2025/04/27 13:54
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... ... @@ -25,6 +25,7 @@ 25 25 26 26 = 1. Introduction = 27 27 28 + 28 28 == 1.1 What is LoRaWAN Distance Detection Sensor == 29 29 30 30 ((( ... ... @@ -65,6 +65,7 @@ 65 65 66 66 == 1.2 Features == 67 67 69 + 68 68 * LoRaWAN 1.0.3 Class A 69 69 * Ultra-low power consumption 70 70 * Distance Detection by Ultrasonic technology ... ... @@ -80,10 +80,13 @@ 80 80 * 8500mAh Battery for long term use 81 81 82 82 85 + 83 83 == 1.3 Specification == 84 84 88 + 85 85 === 1.3.1 Rated environmental conditions === 86 86 91 + 87 87 (% aria-label="image-20220610154839-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220610154839-1.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)(% title="Click and drag to resize" %) 88 88 89 89 ... ... @@ -97,6 +97,7 @@ 97 97 98 98 === 1.3.2 Effective measurement range Reference beam pattern === 99 99 105 + 100 100 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** 101 101 102 102 [[image:1654934119597-403.png]] ... ... @@ -115,6 +115,7 @@ 115 115 116 116 == 1.5 Applications == 117 117 124 + 118 118 * Horizontal distance measurement 119 119 * Liquid level measurement 120 120 * Parking management system ... ... @@ -136,8 +136,10 @@ 136 136 137 137 = 2. Configure LDDS45 to connect to LoRaWAN network = 138 138 146 + 139 139 == 2.1 How it works == 140 140 149 + 141 141 ((( 142 142 The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value 143 143 ))) ... ... @@ -150,6 +150,7 @@ 150 150 151 151 == 2.2 Quick guide to connect to LoRaWAN server (OTAA) == 152 152 162 + 153 153 ((( 154 154 Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example. 155 155 ... ... @@ -229,6 +229,7 @@ 229 229 (% aria-label="image-20220611102908-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220611102908-2.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)(% title="Click and drag to resize" %) 230 230 231 231 242 + 232 232 ((( 233 233 (% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel. 234 234 ))) ... ... @@ -239,6 +239,7 @@ 239 239 240 240 == 2.3 Uplink Payload == 241 241 253 + 242 242 ((( 243 243 ((( 244 244 ((( ... ... @@ -257,11 +257,10 @@ 257 257 258 258 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 259 259 |=(% style="width: 62.5px;" %)((( 260 -**Size 272 +**Size(bytes)** 261 261 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 262 262 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 263 263 [[Distance>>||anchor="H2.3.2A0Distance"]] 264 - 265 265 (unit: mm) 266 266 )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|((( 267 267 [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]] ... ... @@ -284,12 +284,15 @@ 284 284 285 285 === 2.3.2 Distance === 286 286 298 + 287 287 ((( 288 288 Get the distance. Flat object range 30mm - 4500mm. 289 289 ))) 290 290 291 291 ((( 292 -For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.** 304 +For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** ** 305 + 306 +(% style="color:#4472c4" %)**0B05(H) = 2821 (D) = 2821 mm.** 293 293 ))) 294 294 295 295 ... ... @@ -300,6 +300,7 @@ 300 300 301 301 === 2.3.3 Interrupt Pin === 302 302 317 + 303 303 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up. 304 304 305 305 **Example:** ... ... @@ -312,6 +312,7 @@ 312 312 313 313 === 2.3.4 DS18B20 Temperature sensor === 314 314 330 + 315 315 This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. 316 316 317 317 **Example**: ... ... @@ -324,6 +324,7 @@ 324 324 325 325 === 2.3.5 Sensor Flag === 326 326 343 + 327 327 ((( 328 328 0x01: Detect Ultrasonic Sensor 329 329 ))) ... ... @@ -336,6 +336,7 @@ 336 336 337 337 === 2.3.6 Decode payload in The Things Network === 338 338 356 + 339 339 While using TTN network, you can add the payload format to decode the payload. 340 340 341 341 ... ... @@ -347,7 +347,7 @@ 347 347 348 348 ((( 349 349 ((( 350 -LDDS45 TTN V3 Payload Decoder: [[ http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]368 +LDDS45 TTN V3 Payload Decoder: [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]] 351 351 ))) 352 352 ))) 353 353 ... ... @@ -355,6 +355,7 @@ 355 355 356 356 == 2.4 Uplink Interval == 357 357 376 + 358 358 The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]] 359 359 360 360 ... ... @@ -361,6 +361,7 @@ 361 361 362 362 == 2.5 Show Data in DataCake IoT Server == 363 363 383 + 364 364 ((( 365 365 [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps: 366 366 ))) ... ... @@ -384,6 +384,7 @@ 384 384 (% aria-label="1654592800389-571.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654592800389-571.png||data-widget="image"]](% style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="Click and drag to resize" %)(% title="Click and drag to resize" %) 385 385 386 386 407 + 387 387 (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.** 388 388 389 389 (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.** ... ... @@ -399,6 +399,7 @@ 399 399 400 400 == 2.6 Frequency Plans == 401 401 423 + 402 402 ((( 403 403 The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets. 404 404 ))) ... ... @@ -408,6 +408,8 @@ 408 408 === 2.6.1 EU863-870 (EU868) === 409 409 410 410 ((( 433 + 434 + 411 411 (% style="color:blue" %)**Uplink:** 412 412 ))) 413 413 ... ... @@ -467,6 +467,7 @@ 467 467 468 468 === 2.6.2 US902-928(US915) === 469 469 494 + 470 470 ((( 471 471 Used in USA, Canada and South America. Default use CHE=2 472 472 ... ... @@ -515,6 +515,7 @@ 515 515 516 516 === 2.6.3 CN470-510 (CN470) === 517 517 543 + 518 518 ((( 519 519 Used in China, Default use CHE=1 520 520 ))) ... ... @@ -603,6 +603,7 @@ 603 603 604 604 === 2.6.4 AU915-928(AU915) === 605 605 632 + 606 606 ((( 607 607 Default use CHE=2 608 608 ... ... @@ -651,6 +651,7 @@ 651 651 652 652 === 2.6.5 AS920-923 & AS923-925 (AS923) === 653 653 681 + 654 654 ((( 655 655 (% style="color:blue" %)**Default Uplink channel:** 656 656 ))) ... ... @@ -759,6 +759,7 @@ 759 759 760 760 === 2.6.6 KR920-923 (KR920) === 761 761 790 + 762 762 ((( 763 763 (% style="color:blue" %)**Default channel:** 764 764 ))) ... ... @@ -831,6 +831,7 @@ 831 831 832 832 === 2.6.7 IN865-867 (IN865) === 833 833 863 + 834 834 ((( 835 835 (% style="color:blue" %)**Uplink:** 836 836 ))) ... ... @@ -867,6 +867,7 @@ 867 867 868 868 == 2.7 LED Indicator == 869 869 900 + 870 870 The LDDS45 has an internal LED which is to show the status of different state. 871 871 872 872 ... ... @@ -881,7 +881,7 @@ 881 881 882 882 883 883 ((( 884 -**Firmware download link: **[[http:~~/~~/www.dr agino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]915 +**Firmware download link: **[[https:~~/~~/www.dropbox.com/sh/47fsmpbfv4qrw2d/AACy5NcU8MCMFVpYITSUfVLPa?dl=0>>https://www.dropbox.com/sh/47fsmpbfv4qrw2d/AACy5NcU8MCMFVpYITSUfVLPa?dl=0]] 885 885 ))) 886 886 887 887 ((( ... ... @@ -899,8 +899,10 @@ 899 899 900 900 = 3. Battery & How to replace = 901 901 933 + 902 902 == 3.1 Battery Type == 903 903 936 + 904 904 ((( 905 905 LDDS45 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter. 906 906 ))) ... ... @@ -907,6 +907,8 @@ 907 907 908 908 ((( 909 909 The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance. 943 + 944 + 910 910 ))) 911 911 912 912 (% aria-label="1654593587246-335.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654593587246-335.png||data-widget="image"]](% title="Click and drag to resize" %)(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" title="Click and drag to resize" %)(% title="Click and drag to resize" %) ... ... @@ -920,6 +920,7 @@ 920 920 921 921 == 3.2 Replace Battery == 922 922 958 + 923 923 ((( 924 924 Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery. 925 925 ))) ... ... @@ -932,6 +932,7 @@ 932 932 933 933 == 3.3 Power Consumption Analyze == 934 934 971 + 935 935 ((( 936 936 Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval. 937 937 ))) ... ... @@ -975,6 +975,7 @@ 975 975 976 976 === 3.3.1 Battery Note === 977 977 1015 + 978 978 ((( 979 979 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased. 980 980 ))) ... ... @@ -983,6 +983,7 @@ 983 983 984 984 === 3.3.2 Replace the battery === 985 985 1024 + 986 986 ((( 987 987 You can change the battery in the LDDS45.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board. 988 988 ))) ... ... @@ -996,6 +996,7 @@ 996 996 997 997 = 4. Configure LDDS45 via AT Command or LoRaWAN Downlink = 998 998 1038 + 999 999 ((( 1000 1000 ((( 1001 1001 Use can configure LDDS45 via AT Command or LoRaWAN Downlink. ... ... @@ -1074,6 +1074,7 @@ 1074 1074 1075 1075 == 4.1 Access AT Commands == 1076 1076 1117 + 1077 1077 User can use a USB to TTL adapter to connect to LDDS45 and access the console to enter AT Commands. Note the TXD/RXD can use 3.3v or 5v. 1078 1078 1079 1079 Pins for console is: ... ... @@ -1098,6 +1098,7 @@ 1098 1098 1099 1099 == 4.2 Set Transmit Interval Time == 1100 1100 1142 + 1101 1101 Feature: Change LoRaWAN End Node Transmit Interval. 1102 1102 1103 1103 (% style="color:#037691" %)**AT Command: AT+TDC** ... ... @@ -1117,15 +1117,17 @@ 1117 1117 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01. 1118 1118 ))) 1119 1119 1120 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1121 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1162 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 1163 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 1122 1122 ))) 1123 1123 ))) 1124 1124 1125 1125 1126 1126 1169 + 1127 1127 == 4.3 Set Interrupt Mode == 1128 1128 1172 + 1129 1129 Feature, Set Interrupt mode for GPIO_EXIT. 1130 1130 1131 1131 (% style="color:#037691" %)**Downlink Command: AT+INTMOD** ... ... @@ -1141,15 +1141,17 @@ 1141 1141 This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06. 1142 1142 ))) 1143 1143 1144 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1145 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1188 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1189 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1146 1146 1147 1147 1148 1148 1149 1149 = 5. FAQ = 1150 1150 1195 + 1151 1151 == 5.1 What is the frequency plan for LDDS45? == 1152 1152 1198 + 1153 1153 LDDS45 use the same frequency as other Dragino products. User can see the detail from this link: [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]] 1154 1154 1155 1155 ... ... @@ -1156,6 +1156,7 @@ 1156 1156 1157 1157 == 5.2 How to change the LoRa Frequency Bands/Region == 1158 1158 1205 + 1159 1159 You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]]. 1160 1160 When downloading the images, choose the required image file for download. 1161 1161 ... ... @@ -1163,8 +1163,10 @@ 1163 1163 1164 1164 = 6. Trouble Shooting = 1165 1165 1213 + 1166 1166 == 6.1 AT Command input doesn't work == 1167 1167 1216 + 1168 1168 In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string. 1169 1169 1170 1170 ((( ... ... @@ -1209,5 +1209,8 @@ 1209 1209 1210 1210 = 9. Support = 1211 1211 1261 + 1212 1212 * 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. 1213 1213 * 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:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]. 1264 + 1265 +