Last modified by Mengting Qiu on 2023/12/14 11:15

From version 71.2
edited by Xiaoling
on 2023/06/13 10:09
Change comment: There is no comment for this version
To version 70.13
edited by Xiaoling
on 2023/06/13 08:35
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -DDS45-LB -- LoRaWAN Distance Detection Sensor User Manual
1 +DDS75-LB -- LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,8 +1,9 @@
1 1  (% style="text-align:center" %)
2 -[[image:image-20230613100900-1.png||height="683" width="683"]]
2 +[[image:image-20230612170349-1.png||height="656" width="656"]]
3 3  
4 4  
5 5  
6 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -21,13 +21,13 @@
21 21  
22 22  It detects the distance(% style="color:blue" %)**  between the measured object and the sensor**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
23 23  
24 -The LoRa wireless technology used in DDS75-LB allows device 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.
25 +The LoRa wireless technology used in SW3L-LB allows device 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.
25 25  
26 -DDS75-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
27 +SW3L-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
27 27  
28 -DDS75-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
29 +SW3L-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
29 29  
30 -Each DDS75-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
31 +Each SW3L-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
31 31  
32 32  [[image:image-20230612170943-2.png||height="525" width="912"]]
33 33  
... ... @@ -49,10 +49,36 @@
49 49  * IP66 Waterproof Enclosure
50 50  * 8500mAh Battery for long term use
51 51  
52 -
53 53  == 1.3 Specification ==
54 54  
55 55  
56 +(% style="color:#037691" %)**Rated environmental conditions:**
57 +
58 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
59 +|(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
60 +**Minimum value**
61 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
62 +**Typical value**
63 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:87px" %)(((
64 +**Maximum value**
65 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Unit**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Remarks**
66 +|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
67 +|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
68 +|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
69 +|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
70 +
71 +
72 +
73 +)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
74 +
75 +(((
76 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
77 +
78 +**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
79 +
80 +
81 +)))
82 +
56 56  (% style="color:#037691" %)**Common DC Characteristics:**
57 57  
58 58  * Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
... ... @@ -78,49 +78,20 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
108 +== 1.4 Effective measurement range Reference beam pattern ==
81 81  
82 -== 1.4 Rated environmental conditions ==
83 83  
111 +**~1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
84 84  
85 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
86 -|(% style="background-color:#d9e2f3; color:#0070c0; width:163px" %)**Item**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)(((
87 -**Minimum value**
88 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
89 -**Typical value**
90 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:87px" %)(((
91 -**Maximum value**
92 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Unit**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Remarks**
93 -|(% style="width:174px" %)Storage temperature|(% style="width:86px" %)-25|(% style="width:66px" %)25|(% style="width:90px" %)80|(% style="width:48px" %)℃|(% style="width:203px" %)
94 -|(% style="width:174px" %)Storage humidity|(% style="width:86px" %) |(% style="width:66px" %)65%|(% style="width:90px" %)90%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
95 -|(% style="width:174px" %)Operating temperature|(% style="width:86px" %)-15|(% style="width:66px" %)25|(% style="width:90px" %)60|(% style="width:48px" %)℃|(% style="width:203px" %)
96 -|(% style="width:174px" %)Working humidity|(% style="width:86px" %)(((
97 -
98 -
99 -
100 -)))|(% style="width:66px" %)65%|(% style="width:90px" %)80%|(% style="width:48px" %)RH|(% style="width:203px" %)(1)
101 -
102 -(((
103 -(% style="color:red" %)**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
104 -
105 -(% style="color:red" %)** b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
106 -
107 -
108 -)))
109 -
110 -== 1.5 Effective measurement range Reference beam pattern ==
111 -
112 -
113 -(% style="color:blue" %)**1. The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
114 -
115 115  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
116 116  
117 117  
118 -(% style="color:blue" %)**2. The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
116 +**2. The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
119 119  
120 120  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]]
121 121  
122 122  
123 -== 1.6 Applications ==
121 +== 1.5 Applications ==
124 124  
125 125  
126 126  * Horizontal distance measurement
... ... @@ -133,16 +133,15 @@
133 133  * Sewer
134 134  * Bottom water level monitoring
135 135  
134 +== 1.6 Sleep mode and working mode ==
136 136  
137 -== 1.7 Sleep mode and working mode ==
138 138  
139 -
140 140  (% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
141 141  
142 142  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
143 143  
144 144  
145 -== 1.8 Button & LEDs ==
142 +== 1.7 Button & LEDs ==
146 146  
147 147  
148 148  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
... ... @@ -161,10 +161,9 @@
161 161  )))
162 162  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
163 163  
161 +== 1.8 BLE connection ==
164 164  
165 -== 1.9 BLE connection ==
166 166  
167 -
168 168  DDS75-LB support BLE remote configure.
169 169  
170 170  
... ... @@ -177,14 +177,16 @@
177 177  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
178 178  
179 179  
180 -== 1.10 Pin Definitions ==
176 +== 1.9 Pin Definitions ==
181 181  
182 182  [[image:image-20230523174230-1.png]]
183 183  
184 184  
185 -== 1.11 Mechanical ==
181 +== ==
186 186  
183 +== 2.10 Mechanical ==
187 187  
185 +
188 188  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
189 189  
190 190  
... ... @@ -194,7 +194,7 @@
194 194  [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
195 195  
196 196  
197 -(% style="color:blue" %)**Probe Mechanical:**
195 +**Probe Mechanical:**
198 198  
199 199  
200 200  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
... ... @@ -270,13 +270,20 @@
270 270  
271 271  
272 272  (((
271 +(((
273 273  DDS75-LB will uplink payload via LoRaWAN with below payload format: 
274 274  )))
275 275  
276 276  (((
277 -Uplink payload includes in total 8 bytes.
276 +Uplink payload includes in total 4 bytes.
277 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
278 278  )))
279 +)))
279 279  
281 +(((
282 +
283 +)))
284 +
280 280  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
281 281  |=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
282 282  **Size(bytes)**
... ... @@ -316,13 +316,12 @@
316 316  
317 317  
318 318  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
319 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. All value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
324 +* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
320 320  
321 -
322 322  === 2.3.3  Interrupt Pin ===
323 323  
324 324  
325 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
329 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
326 326  
327 327  **Example:**
328 328  
... ... @@ -342,7 +342,9 @@
342 342  
343 343  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
344 344  
349 +(% style="color:red" %)**Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.**
345 345  
351 +
346 346  === 2.3.5  Sensor Flag ===
347 347  
348 348  
... ... @@ -372,7 +372,7 @@
372 372  == 2.4  Uplink Interval ==
373 373  
374 374  
375 -The DDS75-LB 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>>||anchor="H3.3.1SetTransmitIntervalTime"]]
381 +The DDS75-LB 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"]]
376 376  
377 377  
378 378  == 2.5  ​Show Data in DataCake IoT Server ==
... ... @@ -382,6 +382,9 @@
382 382  [[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:
383 383  )))
384 384  
391 +(((
392 +
393 +)))
385 385  
386 386  (((
387 387  (% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
... ... @@ -456,7 +456,7 @@
456 456  
457 457  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
458 458  
459 -Once DDS75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS75-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
468 +Once DDS75-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to SW3L-LB. If DDS75-LB fails to get the time from the server, DDS75-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
460 460  
461 461  (% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
462 462  
... ... @@ -496,7 +496,7 @@
496 496  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
497 497  
498 498  
499 -= 3. Configure DDS75-LB =
508 += 3. Configure SW3L-LB =
500 500  
501 501  == 3.1 Configure Methods ==
502 502  
... ... @@ -509,7 +509,6 @@
509 509  
510 510  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
511 511  
512 -
513 513  == 3.2 General Commands ==
514 514  
515 515  
... ... @@ -570,9 +570,6 @@
570 570  )))
571 571  * (((
572 572  Example 2: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
573 -
574 -
575 -
576 576  )))
577 577  
578 578  === 3.3.2 Set Interrupt Mode ===
... ... @@ -609,7 +609,6 @@
609 609  
610 610  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
611 611  
612 -
613 613  = 4. Battery & Power Consumption =
614 614  
615 615  
... ... @@ -634,75 +634,23 @@
634 634  
635 635  Methods to Update Firmware:
636 636  
637 -* (Recommanded way) OTA firmware update via wireless:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
641 +* (Recommanded way) OTA firmware update via wireless:   [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
638 638  
639 -* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
643 +* Update through UART TTL interface. **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
640 640  
641 -
642 642  = 6. FAQ =
643 643  
644 -== 6.1  What is the frequency plan for DDS75-LB? ==
647 +== 6.1  AT Commands input doesn't work ==
645 645  
646 646  
647 -DDS75-LB 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"]]
650 +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.
648 648  
649 649  
650 -== 6. Can I use DDS75-LB in condensation environment? ==
653 += 7. Order Info =
651 651  
652 652  
653 -DDS75-LB is not suitable to be used in condensation environment. Condensation on the DDS75-LB probe will affect the reading and always got 0.
656 +Part Number: (% style="color:blue" %)**DDS75-LB-XXX-YYY**
654 654  
655 -
656 -= 7.  Trouble Shooting =
657 -
658 -== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
659 -
660 -
661 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
662 -
663 -
664 -== 7.2  AT Command input doesn't work ==
665 -
666 -
667 -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:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
668 -
669 -
670 -== 7.3  Why does the sensor reading show 0 or "No sensor" ==
671 -
672 -
673 -~1. The measurement object is very close to the sensor, but in the blind spot of the sensor.
674 -
675 -2. Sensor wiring is disconnected
676 -
677 -3. Not using the correct decoder
678 -
679 -
680 -== 7.4  Abnormal readings The gap between multiple readings is too large or the gap between the readings and the actual value is too large ==
681 -
682 -
683 -1) Please check if there is something on the probe affecting its measurement (condensed water, volatile oil, etc.)
684 -
685 -2) Does it change with temperature, temperature will affect its measurement
686 -
687 -3) If abnormal data occurs, you can turn on DEBUG mode, Please use downlink or AT COMMAN to enter DEBUG mode.
688 -
689 -downlink command: (% style="color:blue" %)**F1 01**(%%), AT command: (% style="color:blue" %)**AT+DDEBUG=1**
690 -
691 -4) After entering the debug mode, it will send 20 pieces of data at a time, and you can send its uplink to us for analysis
692 -
693 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20230113135125-2.png?width=1057&height=136&rev=1.1||alt="image-20230113135125-2.png"]]
694 -
695 -
696 -Its original payload will be longer than other data. Even though it is being parsed, it can be seen that it is abnormal data.
697 -
698 -Please send the data to us for check.
699 -
700 -
701 -= 8. Order Info =
702 -
703 -
704 -Part Number: (% style="color:blue" %)**DDS75-LB-XXX**
705 -
706 706  (% style="color:red" %)**XXX**(%%): **The default frequency band**
707 707  
708 708  * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
... ... @@ -721,10 +721,40 @@
721 721  
722 722  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
723 723  
676 +(((
677 +(% style="color:blue" %)**YYY**(%%): **Flow Sensor Model:**
678 +)))
724 724  
725 -= 9. ​Packing Info =
680 +(((
681 + (% style="color:blue" %) **004:**(%%) DW-004 Flow Sensor: diameter: G1/2” / DN15.  450 pulse = 1 L
682 +)))
726 726  
684 +(((
685 + (% style="color:blue" %) **006:**(%%) DW-006 Flow Sensor: diameter: G3/4” / DN20. 390 pulse = 1 L
686 +)))
727 727  
688 +(((
689 + (% style="color:blue" %) **010:**(%%) DW-010 Flow Sensor: diameter: G 1” / DN25. 64 pulse = 1 L
690 +)))
691 +
692 +* (((
693 +calculate flag=0: for SW3L-004 Flow Sensor: 450 pulse = 1 L
694 +)))
695 +
696 +* (((
697 +calculate flag=1: for SW3L-006 Flow Sensor: 390 pulse = 1 L
698 +)))
699 +
700 +* (((
701 +calculate flag=2: for SW3L-010 Flow Sensor: 64  pulse = 1 L
702 +
703 +
704 +
705 +)))
706 +
707 += 8. ​Packing Info =
708 +
709 +
728 728  (% style="color:#037691" %)**Package Includes**:
729 729  
730 730  * DDS75-LB LoRaWAN Distance Detection Sensor x 1
... ... @@ -739,10 +739,9 @@
739 739  
740 740  * Weight / pcs : g
741 741  
724 += 9. Support =
742 742  
743 -= 10. Support =
744 744  
745 -
746 746  * 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.
747 747  
748 748  * 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.cc>>mailto:Support@dragino.cc]].
image-20230613100900-1.png
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1 -XWiki.Xiaoling
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