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4 [[image:image-20240707214707-1.png||height="476" width="570"]]
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12 **Table of Contents:**
13
14 {{toc/}}
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23
24 = 1. Introduction =
25
26 == 1.1 Overview ==
27
28
29 The Dragino (% style="color:blue" %)**Weather Station Kit**(%%) is designed for **measuring atmospheric conditions** to provide information for weather forecasts and to study the weather and climate.
30
31 The Weather Station Kit includes (% style="color:blue" %)**a LoRaWAN transmitter WSC2-L, a 9 in 1 Weather Station WSS-09 and a Rain Gauge WSS-08**.
32
33 (% style="color:blue" %)**Please note that the WSC2-L only includes the transmitter, and the 9 in 1 Weather Station WSS-09 and Rain Gauge WSS-08 need to be purchased separately.**
34
35 The 9 in 1 weather station kit can measure below values: (% style="color:blue" %)**Wind Speed, Wind Direction, Temperature, Humidity, Air Pressure, Illumination, PM2.5, PM10, Noise & Rain Gauge**(%%).
36
37 The LoRaWAN transmitter use RS485 interface to communicate with the 9 in 1 weather station. It can also connect (% style="color:blue" %)**3rd party RS485 sensors**(%%) to measure more environment data. It also has a pulse counting input which can be used to connect (% style="color:blue" %)**tipping bucket Rain Gauge**(%%).
38
39 WSC2-L is full compatible with LoRaWAN Class A protocol, it can work with standard LoRaWAN gateway.
40
41
42 == 1.2 Features & Spec for WSC2-L Transmitter ==
43
44
45 * LoRaWAN 1.0.3 Class A
46 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
47 * Ultra-low power consumption
48 * Support WSS09 9 in 1 Sensors: Wind Speed, Wind Direction, Temperature,  Humidity, Air Pressure, Illumination, PM2.5, PM10, Noise & Rain Gauge
49 * RS485 Interface for 3rd party Sensors
50 * Support WSS08 optical Rain Gauge or tipping bucket Rain Gauge
51 * Support Bluetooth v5.1 and LoRaWAN remote configure
52 * Support wireless OTA update firmware
53 * AT Commands to change parameters
54 * Downlink to change configure
55 * IP66 Waterproof Enclosure
56 * 1000mAh Rechargeable Li-ion Battery
57 * Input and Recharge power: 12v
58
59 == 1.3 Specification for WSS-09 9 in 1 weather sensors ==
60
61 Older versions of interfaces  New version of the interface
62
63 [[image:image-20240708092247-1.png]] [[image:image-20250505190455-1.png||height="283" width="226"]]
64
65 More Detail: [[WSS-09 Manual.>>doc:Main.Agriculture & Weather Stations.WebHome||anchor="H1.WSS099in1WeatherStationSensor"]]
66
67
68 (% style="color:blue" %)**Wind Speed:**
69
70 * Range: 0~~60m/s
71 * Accuracy: ±(0.2m/s±0.02*v)(v : the wind speed)
72 * Ultrasonic measurement,no start wind strength needed
73
74 (% style="color:blue" %)**Wind Direction:**
75
76 * Range: 0~~3599
77 * Accuracy: ±3°
78 * Ultrasonic measurement,no start wind strength needed
79 * Built-in electronic compass. No need to consider installation direction
80
81 (% style="color:blue" %)**Temperature:**
82
83 * Range: -40°C ~~ +80°C
84 * Accuracy: ±0.5°C
85
86 (% style="color:blue" %)**Humidity:**
87
88 * Range: 0 ~~ 99% RH
89 * Accuracy Tolerance : Typ ±3% RH
90
91 (% style="color:blue" %)**Air Pressure:**
92
93 * Accuracy: ±0.15kPa@25°C 101kPa
94 * Range: 0~~120kPa
95
96 (% style="color:blue" %)**Noise:**
97
98 * Range: 30dB~~120dB
99 * Accuracy: ±0.5dB
100
101 (% style="color:blue" %)**PM2.5:**
102
103 * Range: 0~~1000ug/m3
104 * Accuracy: ±3%FS
105 * Resolution: 1ug/m3
106
107 (% style="color:blue" %)**PM10:**
108
109 * Range: 0~~1000ug/m3
110 * Accuracy: ±3%FS
111 * Resolution: 1ug/m3
112
113 (% style="color:blue" %)**llumination:**
114
115 * Range: 0~~200k Lux
116 * Accuracy: ±7%(25 °C)
117
118 == 1.4 Specification for WSS-08 Optical Rain Guage ==
119
120 Older versions of interfaces  New version of the interface
121
122 [[image:image-20240707215336-2.png||height="159" width="218"]] [[image:image-20250505190636-2.png||height="158" width="201"]]
123
124 * Input Power: 9~~30 VDC
125 * Sense diameter: 6cm
126 * Pulse Output
127
128 More Detail: [[WSS-08 Manual.>>doc:Main.Agriculture & Weather Stations.WebHome||anchor="H2.WSS08OpticalRangeGuage"]]
129
130 = 2. How to use =
131
132 == 2.1 Installation ==
133
134
135 Below is an installation example for the weather station:
136
137 [[image:image-20240327231510-1.png||height="499" width="1156"]]
138
139
140 (% style="color:blue" %)** Wiring:**
141
142 1. WSC2-L and sensors all powered by solar power via MPPT
143 1. WSC2-L Weather Station Kit already include 9 sensors.
144 1. Possible to add optional 3rd sensors to measure more parameter
145
146 (% style="color:red" %)**Notice 1:**
147
148 * All weather sensors and WSC2-L are powered by MPPT solar recharge controller. MPPT is connected to solar panel and storage battery.
149 * Weather sensors won't work if solar panel and storage battery fails.
150
151 (% style="color:red" %)**Notice 2:**
152
153 Due to shipment and importation limitation, user is better to purchase below parts locally:
154
155 * Solar Panel
156 * Storage Battery
157 * MPPT Solar Recharger
158 * Cabinet.
159
160 == 2.2 How it works? ==
161
162
163 (((
164 Each WSC2-L is shipped with a worldwide unique set of OTAA keys. To use WSC2-L in a LoRaWAN network, user needs to input the OTAA keys in LoRaWAN network server. After finish installation as above. Create WSC2-L in your LoRaWAN server and Power on WSC2-L , it can join the LoRaWAN network and start to transmit sensor data. The default period for each uplink is 20 minutes.
165 )))
166
167
168 == 2.3 Example to use for LoRaWAN network ==
169
170
171 This section shows an example for how to join the TTN V3 LoRaWAN IoT server. Usages with other LoRaWAN IoT servers are of similar procedure.
172
173 Assume the DLOS8 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. We need to add the WSC2-L device in TTN V3:
174
175
176 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from WSC2-L.
177
178 Each WSC2-L is shipped with a sticker with the default device EUI as below:
179
180 [[image:image-20230426084533-1.png||height="231" width="497"]]
181
182
183 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
184
185 The user needs to press and hold the ACT button(Push button) for more than 3s to start the node.
186
187 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png||height="386" width="262"]]
188
189
190 **Create the application.**
191
192 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SAC01L_LoRaWAN_Temperature%26Humidity_Sensor_User_Manual/WebHome/image-20250423093843-1.png?width=756&height=264&rev=1.1||alt="image-20250423093843-1.png"]]
193
194 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111305-2.png?width=1000&height=572&rev=1.1||alt="image-20240907111305-2.png"]]
195
196
197 **Add devices to the created Application.**
198
199 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111659-3.png?width=977&height=185&rev=1.1||alt="image-20240907111659-3.png"]]
200
201 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907111820-5.png?width=975&height=377&rev=1.1||alt="image-20240907111820-5.png"]]
202
203
204 **Enter end device specifics manually.**
205
206 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112136-6.png?width=697&height=687&rev=1.1||alt="image-20240907112136-6.png"]]
207
208
209 **Add DevEUI and AppKey.**
210
211 **Customize a platform ID for the device.**
212
213 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LTC2-LB--LoRaWAN_Temperature_Transmitter_User_Manual/WebHome/image-20240907112427-7.png?rev=1.1||alt="image-20240907112427-7.png"]]
214
215
216 (% style="color:blue" %)**Step 2**(%%):​​​​​​ Add decoder.
217
218 In TTN, user can add a custom payload so it shows friendly reading.
219
220 Click this link to get the decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/WSC2-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/WSC2-LB]]
221
222 Below is TTN screen shot:
223
224 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS25-LBLDS25-LS--LoRaWAN_LiDAR_Distance_Auto-Clean_Sensor_User_Manual/WebHome/image-20241009140556-1.png?width=1184&height=488&rev=1.1||alt="image-20241009140556-1.png" height="488" width="1184"]]
225
226 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDS25-LBLDS25-LS--LoRaWAN_LiDAR_Distance_Auto-Clean_Sensor_User_Manual/WebHome/image-20241009140603-2.png?width=1168&height=562&rev=1.1||alt="image-20241009140603-2.png" height="562" width="1168"]]
227
228
229 (((
230 (% style="color:blue" %)**Step 3**(%%): Power on WSC2-L, it will start to join TTN server. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
231 )))
232
233 [[image:image-20240413134413-1.png||height="244" width="854"]]
234
235
236 == 2.4 Uplink Payload ==
237
238
239 Uplink payloads include two types: Valid Sensor Value and other status / control command.
240
241 * Valid Sensor Value: Use FPORT=2
242 * Other control command: Use FPORT other than 2.
243
244 === 2.4.1 Uplink FPORT~=5, Device Status ===
245
246 Uplink the device configures with FPORT=5. Once WSC2-L Joined the network, it will uplink this message to the server.
247
248 (((
249 User can also use downlink command**(0x2601)** to ask WSC2-L to resend this uplink
250 )))
251
252 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
253 |=(% style="width: 70px;background-color:#4F81BD;color:white" %)**Size(**bytes)|=(% style="width: 85px;background-color:#4F81BD;color:white" %)1|=(% style="width: 105px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 105px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 85px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**
254 |(% style="width:99px" %)Value|(% style="width:112px" %)[[Sensor Model>>||anchor="HSensorModel:"]]|(% style="width:135px" %)[[Firmware Version>>||anchor="HFirmwareVersion:"]]|(% style="width:126px" %)[[Frequency Band>>||anchor="HFrequencyBand:"]]|(% style="width:85px" %)[[Sub-band>>||anchor="HSub-Band:"]]|(% style="width:46px" %)[[BAT>>||anchor="HBAT:"]]
255
256 [[image:image-20240415092848-2.png||height="329" width="1045"]]
257
258
259 Example Payload (FPort=5):  [[image:image-20240415091027-1.png||height="16" width="104"]]
260
261
262 ==== (% style="color:#037691" %)**Sensor Model:**(%%) ====
263
264 For WSC2-L, this value is 0x2E.
265
266
267 ==== (% style="color:#037691" %)**Firmware Version:**(%%) ====
268
269 0x0100, Means: v1.0.0 version.
270
271
272 ==== (% style="color:#037691" %)**Frequency Band:**(%%) ====
273
274 0x01: EU868
275
276 0x02: US915
277
278 0x03: IN865
279
280 0x04: AU915
281
282 0x05: KZ865
283
284 0x06: RU864
285
286 0x07: AS923
287
288 0x08: AS923-1
289
290 0x09: AS923-2
291
292 0x0a: AS923-3
293
294
295 ==== (% style="color:#037691" %)**Sub-Band:**(%%) ====
296
297 value 0x00 ~~ 0x08(only for CN470, AU915,US915. Others are0x00)
298
299
300 ==== (% style="color:#037691" %)**BAT:**(%%) ====
301
302 (((
303 shows the battery voltage for WSC2-L MCU.
304 )))
305
306 (((
307 Ex1: 0x0FE4/1000 = 4068/1000=4.068V
308 )))
309
310
311 Users can also use the downlink command (0x2301) to change the uplink port of WSC2-L:
312
313 (% style="color:#037691" %)**Example**(%%) (% style="color:#037691" %)**Downlink:0x23 01(Change to port 1)**
314
315 [[image:image-20240413104831-3.png||height="364" width="934"]]
316
317
318 === 2.4.2 Uplink FPORT~=2, Real time sensor value ===
319
320
321 (((
322 WSC2-L will send this uplink after Device Config uplink once join LoRaWAN network successfully. And it will periodically send this uplink. Default interval is 20 minutes and [[can be changed>>||anchor="H3.1SetTransmitIntervalTime"]].
323 )))
324
325 (((
326 Uplink uses FPORT=2 and every 20 minutes send one uplink by default.
327 )))
328
329
330 (((
331 The upload length is dynamic, depends on what type of weather sensors are connected. The uplink payload is combined with sensor segments. As below:
332 )))
333
334
335 (% style="color:#4472c4" %)** Uplink Payload**:
336
337 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:464px" %)
338 |(% style="width:140px" %)Sensor Segment 1|(% style="width:139px" %)Sensor Segment 2|(% style="width:42px" %)……|(% style="width:140px" %)Sensor Segment n
339
340 (% style="color:#4472c4" %)** Sensor Segment Define**:
341
342 (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:330px" %)
343 |(% style="width:89px" %)Type Code|(% style="width:114px" %)Length (Bytes)|(% style="width:124px" %)Measured Value
344
345 (% style="color:#4472c4" %)**Sensor Type Table:**
346
347 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
348 |(% style="background-color:#4f81bd; color:white; width:80px" %)**Sensor Type**|(% style="background-color:#4f81bd; color:white; width:65px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:116px" %)**Range**|(% style="background-color:#4f81bd; color:white; width:88px" %)**Length( Bytes)**|(% style="background-color:#4f81bd; color:white; width:166px" %)**Example**
349 |(% style="width:103px" %)Wind Speed|(% style="width:91px" %)0x01|(% style="width:116px" %)(((
350 Speed: 0 ~~ 60m/s
351 )))|(% style="width:88px" %)0x02 |(% style="width:181px" %)(((
352 0x0028/100=0.40m/s
353 )))
354 |(% style="width:103px" %)Wind Level|(% style="width:91px" %)0x02|(% style="width:116px" %)Wind Level: (0 ~~18)|(% style="width:88px" %)0x02|(% style="width:181px" %)0x0002=2(Current wind level)
355 |(% style="width:103px" %)(((
356 Wind Direction
357 )))|(% style="width:91px" %)0x03|(% style="width:116px" %)Direction: 0~~7|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
358 0X0004=3(Due north is 0, increasing clockwise, and due east is 2)
359 )))
360 |(% style="width:103px" %)Wind Angle|(% style="width:91px" %)0x04|(% style="width:116px" %)(((
361 Angel: 0 ~~ 359°
362 )))|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
363 0x02C9/10=66.6°(Due north is 0°, increasing clockwise, due east is 90°)
364 )))
365 |(% style="width:103px" %)Humidity|(% style="width:91px" %)0x05|(% style="width:116px" %)Hum: 099%RH|(% style="width:88px" %)0x02|(% style="width:181px" %)0x0164/10=35.6%RH
366 |(% style="width:103px" %)Temperature|(% style="width:91px" %)0x06|(% style="width:116px" %)Temp: -40 ~~ +80°C|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
367 0xFFDD/10=-3.5°C 
368 )))
369 |(% style="width:103px" %)Noise|(% style="width:91px" %)0x07|(% style="width:116px" %)Nosie: 30~~120dB|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
370 0x023e/10=57.4dB
371 )))
372 |(% style="width:103px" %)(((
373 PM2.5 / CO2
374 )))|(% style="width:91px" %)0x08|(% style="width:116px" %)(((
375 PM2.5: 01000μg/m^^3^^
376
377 CO2: 0~~5000ppm
378 )))|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
379 0x0023=35μg/m^^3 ^^
380
381 0x04fb=1275ppm
382 )))
383 |(% style="width:103px" %)PM10|(% style="width:91px" %)0x09|(% style="width:116px" %)(((
384 PM10: 01000μg/m^^3^^
385 )))|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
386 0x002D=45μg/m^^3 ^^
387 )))
388 |(% style="width:103px" %)Pressure|(% style="width:91px" %)0x0A|(% style="width:116px" %)0~~120kPa/y|(% style="width:88px" %)0x02|(% style="width:181px" %)(((
389 0x2748/10=1005.6kPa   
390 )))
391 |(% style="width:103px" %)illumination|(% style="width:91px" %)0x0B|(% style="width:116px" %)0200000kLux|(% style="width:88px" %)0x04|(% style="width:181px" %)0x04D2*10=12340kLux 
392
393 (((
394 Below is an example payload:  0FF60100000000012F00280001000400AD025E0117023E0023003203ED0001678390A102FFFF
395 )))
396
397
398 (((
399 When sending this payload to LoRaWAN server. WSC2-L will send this in one uplink or several uplinks according to LoRaWAN spec requirement. For example, total length of Payload is 54 bytes.
400 )))
401
402 * (((
403 When WSC2-L sending in US915 frequency DR0 data rate. Because this data rate has limitation of 11 bytes payload for each uplink. The payload will be split into below packets and uplink.
404 )))
405
406 (((
407 Uplink 1:  [[image:image-20240418135453-1.png||height="26" width="202"]](% style="display:none" %)
408 )))
409
410 (((
411 Uplink 2: [[image:image-20240418141234-5.png||height="38" width="352"]](% style="display:none" %)
412 )))
413
414
415 * (((
416 When WSC2-L sending in EU868 frequency DR0 data rate. The payload will be split into below packets and uplink:
417 )))
418
419 (((
420 Uplink 1:  [[image:image-20240418141304-6.png||height="39" width="408"]]
421 )))
422
423 Uplink 2:  [[image:image-20240418141312-7.png||height="24" width="74"]]
424
425
426 === 2.4.3 Decoder in TTN V3 ===
427
428
429 (((
430 In LoRaWAN platform, user only see HEX payload by default, user needs to use payload formatters to decode the payload to see human-readable value.
431 )))
432
433 (((
434 Download decoder for suitable platform from:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
435 )))
436
437 (((
438 and put as below:
439 )))
440
441 [[image:image-20240413140757-2.png||height="423" width="892"]]
442
443
444 == 2.5 Show data on Application Server ==
445
446
447 (((
448 Application platform provides a human friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
449 )))
450
451 (((
452 (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
453 )))
454
455 (((
456 (% style="color:blue" %)**Step 2**(%%): Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
457 )))
458
459 [[image:1656051197172-131.png]]
460
461
462
463 **Add TagoIO:**
464
465 [[image:1656051223585-631.png]]
466
467
468
469 **Authorization:**
470
471 [[image:1656051248318-368.png]]
472
473
474 In TagoIO console ([[https:~~/~~/admin.tago.io~~/~~/>>url:https://datacake.co/]]) , add WSC2-L:
475
476
477 [[image:1656051277767-168.png]]
478
479
480 == 2.6 Frequency Plans ==
481
482
483 The WSC2-L uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country.
484
485 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
486
487
488 = 3. Configure WSC2-L =
489
490 == 3.1 Configure Methods ==
491
492
493 WSC2-L supports below configure method:
494
495 * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
496
497 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
498
499 * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
500
501 == 3.2 General Commands ==
502
503
504 These commands are to configure:
505
506 * General system settings like: uplink interval.
507 * LoRaWAN protocol & radio related command.
508
509 They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
510
511 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
512
513
514 == 3.3 Commands special design for WSC2-L ==
515
516
517 These commands only valid for WSC2-L, as below:
518
519
520 === 3.3.1 Set Transmit Interval Time ===
521
522
523 Feature: Change LoRaWAN End Node Transmit Interval.
524
525 (% style="color:#037691" %)**AT Command: AT+TDC**
526
527 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:501px" %)
528 |(% style="background-color:#4f81bd; color:white; width:155px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:166px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:180px" %)**Response**
529 |(% style="width:155px" %)AT+TDC=?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)(((
530 30000
531 OK
532 the interval is 30000ms = 30s
533 )))
534 |(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)(((
535 OK
536 Set transmit interval to 60000ms = 60 seconds
537 )))
538
539 (% style="color:#037691" %)**Downlink Command: 0x01**
540
541 Format: Command Code (0x01) followed by 3 bytes time value.
542
543 If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
544
545 * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
546 * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
547
548 === 3.3.2 Set the CO2 or PM mode ===
549
550
551 (% style="color:red" %)**Note: Default shipment is CO2 sensor, optional CO2 or PM sensor is available at the time of purchase, which needs to be modified according to the sensor selected at the time of purchase.**
552
553 Feature: Set the CO2/PM mode, and the user can set the corresponding mode according to the purchased sensor.
554
555 (% style="color:#037691" %)**AT Command:**
556
557 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:466px" %)
558 |(% style="background-color:#4f81bd; color:white; width:156px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:225px" %)**Function**|(% style="background-color:#4f81bd; color:white; width:85px" %)**Response**
559 |(% style="width:155px" %)AT+PMMOD=1|(% style="width:224px" %)The working sensors are PM2.5 and PM10|(% style="width:84px" %)(((
560 OK
561
562 )))
563 |(% style="width:155px" %)AT+PMMOD=0|(% style="width:224px" %)The working sensors are CO2|(% style="width:84px" %)(((
564 OK
565 )))
566
567 (% style="color:#037691" %)**Downlink Command:**
568
569 * 0xE101     Same as: AT+PMMOD=1
570 * 0xE100     Same as: AT+PMMOD=0
571
572 === 3.3.3 Add or Delete RS485 Sensor ===
573
574
575 (((
576 Feature: User can add or delete 3^^rd^^ party sensor as long they are RS485/Modbus interface,baud rate support 4800.Maximum can add 4 sensors.
577 )))
578
579 (((
580 (% style="color:#037691" %)**AT Command: **
581 )))
582
583 (((
584 (% style="color:blue" %)**AT+DYSENSOR=Type_Code, Query_Length, Query_Command , Read_Length , Valid_Data ,has_CRC,timeout**
585 )))
586
587 * (((
588 Type_Code range:  A1 ~~ A4
589 )))
590 * (((
591 Query_Length:  RS485 Query frame length, Value cannot be greater than 10
592 )))
593 * (((
594 Query_Command:  RS485 Query frame data to be sent to sensor, cannot be larger than 10 bytes
595 )))
596 * (((
597 Read_Length:  RS485 response frame length supposed to receive. Max can receive
598 )))
599 * (((
600 Valid_Data:  valid data from RS485 Response, Valid Data will be added to Payload and upload via LoRaWAN.
601 )))
602 * (((
603 has_CRC:  RS485 Response crc check  (0: no verification required 1: verification required). If CRC=1 and CRC error, valid data will be set to 0.
604 )))
605 * (((
606 timeout:  RS485 receive timeout (uint:ms). Device will close receive window after timeout
607 )))
608
609 (((
610 **Example:**
611 )))
612
613 (((
614 User need to change external sensor use the type code as address code.
615 )))
616
617 (((
618 With a 485 sensor, after correctly changing the address code to A1, the RS485 query frame is shown in the following table:
619 )))
620
621 [[image:image-20220624143553-10.png]]
622
623
624 The response frame of the sensor is as follows:
625
626 [[image:image-20220624143618-11.png]]
627
628
629 **Then the following parameters should be:**
630
631 * Address_Code range: A1
632 * Query_Length: 8
633 * Query_Command: A103000000019CAA
634 * Read_Length: 8
635 * Valid_Data: 23 (Indicates that the data length is 2 bytes, starting from the 3th byte)
636 * has_CRC: 1
637 * timeout: 1500 (Fill in the test according to the actual situation)
638
639 **So the input command is:**
640
641 AT+DYSENSOR=A1,8,A103000000019CAA,8,24,1,1500
642
643
644 In every sampling. WSC2-L will auto append the sensor segment as per this structure and uplink.
645
646 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:351px" %)
647 |=(% style="width: 95px;background-color:#4F81BD;color:white" %)Type Code|=(% style="width: 122px;background-color:#4F81BD;color:white" %)Length (Bytes)|=(% style="width: 134px;background-color:#4F81BD;color:white" %)Measured Value
648 |(% style="width:94px" %)A1|(% style="width:121px" %)2|(% style="width:132px" %)0x000A
649
650 **Related commands:**
651
652 AT+DYSENSOR=A1,0  ~-~->  Delete 3^^rd^^ party sensor A1.
653
654 AT+DYSENSOR  ~-~->  List All 3^^rd^^ Party Sensor. Like below:
655
656
657 (% style="color:#037691" %)**Downlink Command:  **
658
659 **delete custom sensor A1:**
660
661 * 0xE5A1     Same as: AT+DYSENSOR=A1,0
662
663 **Remove all custom sensors**
664
665 * 0xE5FF  
666
667 === 3.3.4 RS485 Test Command ===
668
669
670 (% style="color:#037691" %)**AT Command:**
671
672 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:494px" %)
673 |=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 248px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**
674 |(% style="width:159px" %)AT+RSWRITE=xxxxxx|(% style="width:227px" %)(((
675 Send command to 485 sensor. Range : no more than 10 bytes
676 )))|(% style="width:85px" %)OK
677
678 Eg: Send command **01 03 00 00 00 01 84 0A** to 485 sensor
679
680 AT+RSWRITE=0103000001840A
681
682
683 (% style="color:#037691" %)**Downlink Command:**
684
685 * 0xE20103000001840A     Same as: AT+RSWRITE=0103000001840A
686
687 === 3.3.5 RS485 response timeout ===
688
689
690 Feature: Set or get extended time to receive 485 sensor data.
691
692 (% style="color:#037691" %)**AT Command:**
693
694 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:433px" %)
695 |=(% style="width: 157px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**
696 |(% style="width:157px" %)AT+DTR=1000|(% style="width:188px" %)(((
697 Set response timeout to: Range : 0~~10000
698 )))|(% style="width:85px" %)OK
699
700 (% style="color:#037691" %)**Downlink Command:**
701
702 Format: Command Code (0xE0) followed by 3 bytes time value.
703
704 If the downlink payload=E0000005, it means set the END Node's Transmit Interval to 0x000005=5(S), while type code is E0.
705
706 * Example 1: Downlink Payload: E0000005  ~/~/  Set Transmit Interval (DTR) = 5 seconds
707 * Example 2: Downlink Payload: E000000A  ~/~/  Set Transmit Interval (DTR) = 10 seconds
708
709 === 3.3.6 Set or get the total count value ===
710
711
712 Feature: The user can set the counting to start from the set value according to the requirements. (only available in counting mode).
713
714 (% style="color:#037691" %)**AT Command:**
715
716 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:433px" %)
717 |=(% style="width: 157px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**
718 |(% style="width:157px" %)AT+SETCNT=1000|(% style="width:188px" %)Set the total count to start from 1000|(% style="width:85px" %)OK
719
720 (% style="color:#037691" %)**Downlink Command:**
721
722 Format: Command Code (0x09) followed by 5 bytes time value.
723
724 If the downlink payload=09000003E8, This means that the count of the END node will start counting from setting 0x000003E8=1000 (times). while type code is 09.
725
726 * Example 1: Downlink Payload: 09000003E8  ~/~/  Set the value to start counting from 1000 = 1000 (times)
727
728 === 3.3.7  Set interrupt or counting mode ===
729
730
731 Feature: Users can set the trigger mode to counting mode or interrupt mode as needed.
732
733 (% style="color:#037691" %)**AT Command:**
734
735 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:433px" %)
736 |=(% style="width: 157px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**
737 |(% style="width:157px" %)AT+COUNTMOD=0|(% style="width:188px" %)set to interrupt mode|(% style="width:85px" %)OK
738 |(% style="width:157px" %)AT+COUNTMOD=1|(% style="width:188px" %)(((
739 set to counting mode
740 )))|(% style="width:85px" %)OK
741
742 (% style="color:#037691" %)**Downlink Command:**
743
744 Format: Command Code (0x10) followed by 1 bytes time value.
745
746 If the downlink payload=10 00, Set the trigger mode to interrupt mode, while type code is 10.
747
748 * Example 1: Downlink Payload: 10 00  ~/~/  Same as: AT+COUNTMOD=0  set to interrupt mode
749
750 == 3.4 Add 3rd RS485 / Modbus Sensor ==
751
752 === 3.4.1 Hardware Connection ===
753
754
755 WSC2-L has a 1 to 3 cables. All the three connectors has same defination as below. It include Five Pins: VCC, GND, RS485-A, RS485-B, Count.
756
757 (% style="color:red" %)**Notice: RS485-A,RS485-B can be used to connect multiply sensors. but the COUNT can be only use for one sensor. Which means if you already add a Pulse output Rain Guage in the system, you are not able to add another Pulse Output device.**
758
759 [[image:image-20240707220859-4.png||height="313" width="366"]]
760
761
762 === 3.4.2 Software Setup ===
763
764
765 Send AT+DYSENSOR to activate the RS485 sensor for collecting 3rd RS485 sensor. You can refer to the instructions in section 3.3.3 of the manual.
766
767 For example: AT+DYSENSOR=A1,8,A103000000019CAA,8,24,1,1500
768
769
770 === 3.4.3 Payload ===
771
772 [[image:image-20240416163658-1.png]]
773
774 For example: A1 02 00 00
775
776 A1 : A1 register data acquisition instruction
777
778 02 : The valid data returned is 2 bytes in total.
779
780 00 00 : Return valid data
781
782
783 == 3.5 Add tipping bucket total solar radiation sensor ==
784
785 === 3.5.1 Hardware Connection ===
786
787
788 The following is an example of connecting a total solar radiation sensor to a matching interface cable, and then using the interface to connect the WSC2-L.
789
790 Users can also choose to connect the sensor directly to the WSC2-L via the cable and pin instructions below.
791
792 The following is an explanation of the [[pins>>||anchor="H5.7PinMapping"]] required for WSC2-L:
793
794 **A:** RS485-A  (Connect the RS485 sensor)
795
796 **B:** RS485-B  (Connect the RS485 sensor)
797
798 **GPIO_EXTI:** Interrupt pin  (Can be used to connect an additionally added pulsed rain gauge)
799
800
801 * Total Solar Radiation Sensor Cable Descripti
802
803 [[image:image-20240906174635-2.jpeg||height="430" width="813"]]
804
805
806
807 * Mating Interface Cable Description
808
809 [[image:image-20240906173843-1.jpeg||height="404" width="815"]]
810
811 * Connect to WSC2-L
812
813 The Total solar radiation sensor does not need to connect the interrupt pin, so the white cable is not wired.
814
815 [[image:image-20240906182250-3.jpeg||height="442" width="820"]]
816
817
818 === 3.5.2 Calculating & Decode ===
819
820
821 0FC6 01 00000000 00EB 000F 0000 0003 008E 0251 00CE 0213 0017 001B 03EC 000000DE 90 A1020000 A2020032
822
823 For example:  A2 02 00 32
824
825 A2 : A2 register data acquisition instruction
826
827 02 : The valid data returned is 2 bytes in total.
828
829 00 32(HEX) : Return valid data = 50(DEC)W/m2
830
831
832 = 4. Power consumption and battery =
833
834 == 4.1 Total Power Consumption ==
835
836
837 Dragino Weather Station serial products include the main process unit (WSC2-L) and various sensors. The total power consumption equal total power of all above units. The power consumption for main process unit WSC2-L is 18ma @ 12v. and the power consumption of each sensor can be found on the Sensors chapter.
838
839
840 == 4.2 Reduce power consumption ==
841
842
843 The main process unit WSC2-L is set to LoRaWAN Class C by default. If user want to reduce the power consumption of this unit, user can set it to run in Class A. In Class A mode, WSC2-L will not be to get real-time downlink command from IoT Server.
844
845
846 == 4.3 Battery ==
847
848
849 (((
850 All sensors are only power by external power source. If external power source is off. All sensor won't work.
851 )))
852
853 (((
854 Main Process Unit WSC2-L is powered by both external power source and internal 1000mAh rechargeable battery. If external power source is off, WSC2-L still runs and can send periodically uplinks, but the sensors value will become invalid.  External power source can recharge the 1000mAh rechargeable battery.
855 )))
856
857
858 = 5. Main Process Unit WSC2-L =
859
860
861 WSC2-L is the main process unit in Dragino Weather Station solution. WSC2-L is an an outdoor LoRaWAN RS485 end node. It is powered by external 12v solar power and have a built-in Li-ion backup battery.
862
863 WSC2-L reads value from various sensors and upload these sensor data to IoT server via LoRaWAN wireless protocol.
864
865 WSC2-L is full compatible with LoRaWAN Class A protocol, it can work with standard LoRaWAN gateway.
866
867 WSC2-L Supports BLE configure and wireless OTA update which make user easy to use.
868
869 Each WSC2-L is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on.
870
871
872 == 5.1 Features ==
873
874
875 * LoRaWAN v1.0.3 Class A protocol.
876 * RS485 / Modbus protocol
877 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
878 * AT Commands to change parameters
879 * Downlink to change configure
880 * Powered by external 12v battery
881 * Back up rechargeable 1000mAh battery
882 * IP Rating: IP65
883 * Support default sensors or 3rd party RS485 sensors
884 * Support Bluetooth v5.1 and LoRaWAN remote configure
885 * Support wireless OTA update firmware
886 * Wall Attachable.
887
888 == 5.2 Power Consumption ==
889
890
891 WSC2-L (without external sensor): Idle: 4mA, Transmit: max 40mA
892
893
894 == 5.3 Storage & Operation Temperature ==
895
896
897 -20°C to +60°C
898
899
900 == 5.4 Sleep mode and working mode ==
901
902
903 (% 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.
904
905 (% 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.
906
907
908 == 5.5 Button & LEDs ==
909
910
911 [[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
912
913 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
914 |=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 226px;background-color:#4F81BD;color:white" %)**Action**
915 |(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
916 If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
917 Meanwhile, BLE module will be active and user can connect via BLE to configure device.
918 )))
919 |(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
920 (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
921 (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
922 Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
923 )))
924 |(% 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.
925
926 == 5.6 BLE connection ==
927
928
929 WSC2-L supports BLE remote configure.
930
931 BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
932
933 * Press button to send an uplink
934 * Press button to active device.
935 * Device Power on or reset.
936
937 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
938
939
940 == 5.7 Pin Mapping ==
941
942
943 [[image:image-20240412165523-2.png]]
944
945
946 == 5.8 Mechanical ==
947
948
949 Refer LSn50v2 enclosure drawing in:  [[https:~~/~~/www.dropbox.com/sh/0ir0l9jjmk6p95e/AADwWXorcKuNpPR5em7VgrEja?dl=0>>https://www.dropbox.com/sh/0ir0l9jjmk6p95e/AADwWXorcKuNpPR5em7VgrEja?dl=0]]
950
951
952 = 6. OTA Firmware update =
953
954
955 (% class="wikigeneratedid" %)
956 **User can change firmware WSC2-L to:**
957
958 * Change Frequency band/ region.
959 * Update with new features.
960 * Fix bugs.
961
962 **Firmware and changelog can be downloaded from :** **[[Firmware download link>>https://www.dropbox.com/sh/8j3ioji411ni9gu/AADnOw3ErB1REsthKilfaq_Pa?dl=0]]**
963
964 **Methods to Update Firmware:**
965
966 * (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/]]**
967
968 * 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]]**.
969
970 = 7. FAQ =
971
972 == 7.1 What else do I need to purchase to build Weather Station? ==
973
974
975 Below is the installation photo and structure:
976
977 [[image:image-20240413172530-3.png]]
978
979 == 7.2 Where can i find the modbus command for the WSS-09 sensor? ==
980
981 See this link for the [[modbus command set>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AK7twfUnkB4qKMvtU4XcEss/LoRaWAN%20End%20Node/WSC2-L%20Combine%20Weather%20Station%20Kit?dl=0&e=2&preview=Weather_Sensors_Modbus_Command_List.xlsx&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
982
983
984 = 8. Trouble Shooting =
985
986 == 8.1 What should I do when the RS485 sensor cannot collect data? ==
987
988
989 ~1. Recheck whether the sensor's power supply voltage is 12V at maximum.
990
991 2. Recheck whether the A and B signal lines of the sensor are connected reversely.
992
993 3. Check whether the sensor's transmission baud rate is 4800. If not, please change it to 4800 and try reading again.
994
995
996 == 8.2 Why does the weather station make electric current sounds during operation? ==
997
998
999 ~1. Because a certain amount of sound will be produced during long-term power supply operation. This is a normal phenomenon and does not affect use.
1000
1001
1002 == 8.3 How to solve the problem of temperature difference in weather stations? ==
1003
1004
1005 You can use AT+RSWRITE (downlink: E2 xx xx xx xx xx xx xx ) to modify the temperature compensation function in the weather station.
1006
1007 **For example:**
1008
1009 When the temperature of the weather station is 3°C different from the right value, you can use AT+RSWRITE=01 06 00 50 00 1E 09 D3 (downlink: E2 01 06 00 50 00 1E 09 D3) to modify the temperature compensation value of the weather station to +3°C .
1010
1011
1012 == 8.4 Why does the rain gauge have no data? ==
1013
1014 The default mode of the rain gauge is trigger mode.
1015 When it rains, it will trigger an uplink, and the data does not include rainfall data.
1016 If you want to query rainfall data, please change to counting mode
1017
1018 Feature: Users can set the trigger mode to counting mode or interrupt mode as needed.
1019
1020 (% style="color:#037691" %)**AT Command:**
1021
1022 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:433px" %)
1023 |=(% style="width: 157px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 86px;background-color:#4F81BD;color:white" %)**Response**
1024 |(% style="width:157px" %)AT+COUNTMOD=0|(% style="width:188px" %)set to interrupt mode|(% style="width:85px" %)OK
1025 |(% style="width:157px" %)AT+COUNTMOD=1|(% style="width:188px" %)(((
1026 set to counting mode
1027 )))|(% style="width:85px" %)OK
1028
1029 (% style="color:#037691" %)**Downlink Command:**
1030
1031 Format: Command Code (0x10) followed by 1 bytes time value.
1032
1033 If the downlink payload=10 00, Set the trigger mode to interrupt mode, while type code is 10.
1034
1035 * Example 1: Downlink Payload: 10 00  ~/~/  Same as: AT+COUNTMOD=0  set to interrupt mode
1036
1037 = 9. Order Info =
1038
1039
1040 Part Number: (% style="color:blue" %)**WSC2-L-XX**
1041
1042 (% style="color:blue" %)**XX**(%%): The default frequency band
1043
1044 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1045 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1046 * (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1047 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1048 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1049 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1050 * (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1051 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1052
1053 = 10. Support =
1054
1055 * 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.
1056
1057 * 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]].
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