Last modified by Xiaoling on 2025/04/27 13:54

From version 170.19
edited by Xiaoling
on 2022/07/01 10:22
Change comment: There is no comment for this version
To version 170.28
edited by Xiaoling
on 2022/10/27 17:11
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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
... ... @@ -126,6 +126,7 @@
126 126  * Bottom water level monitoring
127 127  
128 128  
136 +
129 129  == 1.6  Pin mapping and power on ==
130 130  
131 131  
... ... @@ -135,8 +135,10 @@
135 135  
136 136  = 2.  Configure LDDS45 to connect to LoRaWAN network =
137 137  
146 +
138 138  == 2.1  How it works ==
139 139  
149 +
140 140  (((
141 141  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
142 142  )))
... ... @@ -149,6 +149,7 @@
149 149  
150 150  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
151 151  
162 +
152 152  (((
153 153  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.
154 154  
... ... @@ -228,6 +228,7 @@
228 228  (% 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" %)​
229 229  
230 230  
242 +
231 231  (((
232 232  (% 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.
233 233  )))
... ... @@ -238,6 +238,7 @@
238 238  
239 239  == 2.3  ​Uplink Payload ==
240 240  
253 +
241 241  (((
242 242  (((
243 243  (((
... ... @@ -256,11 +256,10 @@
256 256  
257 257  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
258 258  |=(% style="width: 62.5px;" %)(((
259 -**Size (bytes)**
272 +**Size(bytes)**
260 260  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
261 261  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
262 262  [[Distance>>||anchor="H2.3.2A0Distance"]]
263 -
264 264  (unit: mm)
265 265  )))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
266 266  [[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
... ... @@ -283,12 +283,15 @@
283 283  
284 284  === 2.3.2  Distance ===
285 285  
298 +
286 286  (((
287 287  Get the distance. Flat object range 30mm - 4500mm.
288 288  )))
289 289  
290 290  (((
291 -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.**
292 292  )))
293 293  
294 294  
... ... @@ -299,6 +299,7 @@
299 299  
300 300  === 2.3.3  Interrupt Pin ===
301 301  
317 +
302 302  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.
303 303  
304 304  **Example:**
... ... @@ -311,6 +311,7 @@
311 311  
312 312  === 2.3.4  DS18B20 Temperature sensor ===
313 313  
330 +
314 314  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
315 315  
316 316  **Example**:
... ... @@ -323,6 +323,7 @@
323 323  
324 324  === 2.3.5  Sensor Flag ===
325 325  
343 +
326 326  (((
327 327  0x01: Detect Ultrasonic Sensor
328 328  )))
... ... @@ -335,6 +335,7 @@
335 335  
336 336  === 2.3.6  Decode payload in The Things Network ===
337 337  
356 +
338 338  While using TTN network, you can add the payload format to decode the payload.
339 339  
340 340  
... ... @@ -346,7 +346,7 @@
346 346  
347 347  (((
348 348  (((
349 -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]]
350 350  )))
351 351  )))
352 352  
... ... @@ -354,6 +354,7 @@
354 354  
355 355  == 2.4  Uplink Interval ==
356 356  
376 +
357 357  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"]]
358 358  
359 359  
... ... @@ -360,6 +360,7 @@
360 360  
361 361  == 2.5  ​Show Data in DataCake IoT Server ==
362 362  
383 +
363 363  (((
364 364  [[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:
365 365  )))
... ... @@ -383,6 +383,7 @@
383 383  (% 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" %)​
384 384  
385 385  
407 +
386 386  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
387 387  
388 388  (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
... ... @@ -398,6 +398,7 @@
398 398  
399 399  == 2.6  Frequency Plans ==
400 400  
423 +
401 401  (((
402 402  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.
403 403  )))
... ... @@ -407,6 +407,8 @@
407 407  === 2.6.1  EU863-870 (EU868) ===
408 408  
409 409  (((
433 +
434 +
410 410  (% style="color:blue" %)**Uplink:**
411 411  )))
412 412  
... ... @@ -466,6 +466,7 @@
466 466  
467 467  === 2.6.2  US902-928(US915) ===
468 468  
494 +
469 469  (((
470 470  Used in USA, Canada and South America. Default use CHE=2
471 471  
... ... @@ -514,6 +514,7 @@
514 514  
515 515  === 2.6.3  CN470-510 (CN470) ===
516 516  
543 +
517 517  (((
518 518  Used in China, Default use CHE=1
519 519  )))
... ... @@ -602,6 +602,7 @@
602 602  
603 603  === 2.6.4  AU915-928(AU915) ===
604 604  
632 +
605 605  (((
606 606  Default use CHE=2
607 607  
... ... @@ -650,6 +650,7 @@
650 650  
651 651  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
652 652  
681 +
653 653  (((
654 654  (% style="color:blue" %)**Default Uplink channel:**
655 655  )))
... ... @@ -758,6 +758,7 @@
758 758  
759 759  === 2.6.6  KR920-923 (KR920) ===
760 760  
790 +
761 761  (((
762 762  (% style="color:blue" %)**Default channel:**
763 763  )))
... ... @@ -830,6 +830,7 @@
830 830  
831 831  === 2.6.7  IN865-867 (IN865) ===
832 832  
863 +
833 833  (((
834 834  (% style="color:blue" %)**Uplink:**
835 835  )))
... ... @@ -866,6 +866,7 @@
866 866  
867 867  == 2.7  LED Indicator ==
868 868  
900 +
869 869  The LDDS45 has an internal LED which is to show the status of different state.
870 870  
871 871  
... ... @@ -880,7 +880,7 @@
880 880  
881 881  
882 882  (((
883 -**Firmware download link: **[[http:~~/~~/www.dragino.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]]
884 884  )))
885 885  
886 886  (((
... ... @@ -898,8 +898,10 @@
898 898  
899 899  = 3. Battery & How to replace =
900 900  
933 +
901 901  == 3.1 Battery Type ==
902 902  
936 +
903 903  (((
904 904  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.
905 905  )))
... ... @@ -906,6 +906,8 @@
906 906  
907 907  (((
908 908  The discharge curve is not linear so can't simply use percentage to show the battery level. Below is the battery performance.
943 +
944 +
909 909  )))
910 910  
911 911  (% 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" %)​
... ... @@ -919,6 +919,7 @@
919 919  
920 920  == 3.2 Replace Battery ==
921 921  
958 +
922 922  (((
923 923  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
924 924  )))
... ... @@ -931,6 +931,7 @@
931 931  
932 932  == 3.3 Power Consumption Analyze ==
933 933  
971 +
934 934  (((
935 935  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.
936 936  )))
... ... @@ -974,6 +974,7 @@
974 974  
975 975  === 3.3.1 ​Battery Note ===
976 976  
1015 +
977 977  (((
978 978  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.
979 979  )))
... ... @@ -982,6 +982,7 @@
982 982  
983 983  === ​3.3.2 Replace the battery ===
984 984  
1024 +
985 985  (((
986 986  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.
987 987  )))
... ... @@ -995,6 +995,7 @@
995 995  
996 996  = 4.  Configure LDDS45 via AT Command or LoRaWAN Downlink =
997 997  
1038 +
998 998  (((
999 999  (((
1000 1000  Use can configure LDDS45 via AT Command or LoRaWAN Downlink.
... ... @@ -1073,6 +1073,7 @@
1073 1073  
1074 1074  == 4.1  Access AT Commands ==
1075 1075  
1117 +
1076 1076  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.
1077 1077  
1078 1078  Pins for console is:
... ... @@ -1097,6 +1097,7 @@
1097 1097  
1098 1098  == 4.2  Set Transmit Interval Time ==
1099 1099  
1142 +
1100 1100  Feature: Change LoRaWAN End Node Transmit Interval.
1101 1101  
1102 1102  (% style="color:#037691" %)**AT Command: AT+TDC**
... ... @@ -1116,15 +1116,17 @@
1116 1116  If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1117 1117  )))
1118 1118  
1119 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1120 -* 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
1121 1121  )))
1122 1122  )))
1123 1123  
1124 1124  
1125 1125  
1169 +
1126 1126  == 4.3  Set Interrupt Mode ==
1127 1127  
1172 +
1128 1128  Feature, Set Interrupt mode for GPIO_EXIT.
1129 1129  
1130 1130  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -1140,15 +1140,17 @@
1140 1140  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1141 1141  )))
1142 1142  
1143 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1144 -* 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
1145 1145  
1146 1146  
1147 1147  
1148 1148  = 5.  FAQ =
1149 1149  
1195 +
1150 1150  == 5.1  What is the frequency plan for LDDS45? ==
1151 1151  
1198 +
1152 1152  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"]]
1153 1153  
1154 1154  
... ... @@ -1155,6 +1155,7 @@
1155 1155  
1156 1156  == 5.2  How to change the LoRa Frequency Bands/Region ==
1157 1157  
1205 +
1158 1158  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1159 1159  When downloading the images, choose the required image file for download. ​
1160 1160  
... ... @@ -1162,8 +1162,10 @@
1162 1162  
1163 1163  = 6.  Trouble Shooting =
1164 1164  
1213 +
1165 1165  == 6.1  AT Command input doesn't work ==
1166 1166  
1216 +
1167 1167  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.
1168 1168  
1169 1169  (((
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1208 1208  
1209 1209  = 9.  ​Support =
1210 1210  
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1211 1211  * 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.
1212 1212  * 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]].
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