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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.2
edited by Xiaoling
on 2023/06/05 15:32
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To version 87.2
edited by Xiaoling
on 2022/07/13 09:34
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
... ... @@ -8,50 +8,24 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
13 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 -(((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
18 -
19 -(((
20 -
21 -)))
22 -
23 -(((
24 24  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
25 -)))
26 -)))
27 27  
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
19 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
33 33  
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 38  
39 -(((
40 40  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
41 -)))
42 -)))
43 43  
44 -(((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 -)))
48 -)))
49 49  
50 50  
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
30 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -61,9 +61,9 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
40 +
64 64  == 1.3  Specification ==
65 65  
66 -
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,172 +82,365 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
61 +
85 85  == 1.4  AT Command ==
86 86  
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
89 89  
90 -
91 91  == 1.5  Dimension ==
92 92  
69 +[[image:image-20220517072526-1.png]]
93 93  
94 -[[image:image-20220718094750-3.png]]
95 95  
96 96  
97 97  == 1.6  Pin Mapping ==
98 98  
99 -[[image:image-20220720111850-1.png]]
100 100  
76 +[[image:image-20220523101537-1.png]]
101 101  
102 -== 1.7  Land Pattern ==
103 103  
104 104  
80 +== 1.7  Land Pattern ==
81 +
105 105  [[image:image-20220517072821-2.png]]
106 106  
107 107  
108 -= 2.  FAQ =
109 109  
110 -== 2.1  Where to find examples of how to use LA66? ==
86 += 2.  LA66 LoRaWAN Shield =
111 111  
112 112  
113 -(% class="wikigeneratedid" %)
114 -Below products are made by LA66. User can use their examples as reference:
89 +== 2.1  Overview ==
115 115  
116 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
91 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
118 118  
119 -== 2.2  How to Compile Source Code for LA66? ==
120 120  
94 +== 2.2  Features ==
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
123 123  
124 124  
125 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
108 +== 2.3  Specification ==
126 126  
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
127 127  
128 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
129 129  
129 +== 2.4  Pin Mapping & LED ==
130 130  
131 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
132 132  
133 133  
134 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
135 135  
136 136  
137 -== 2.5 How can i use J-LInk to debug LA66? ==
138 138  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
139 139  
140 -(% style="color:#037691" %)**The steps are as follows:**
141 141  
142 142  
143 -(% style="color:blue" %)**1. Install J-Link software from**
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
144 144  
145 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
146 146  
147 147  
148 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
149 149  
150 150  
151 -[[image:image-20230605151850-1.png]]
148 +=== 2.8.1  Items needed for update ===
152 152  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
153 153  
154 -[[image:image-20230605151850-2.png]]
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
155 155  
156 156  
157 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
157 +=== 2.8.2  Connection ===
158 158  
159 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
160 160  
161 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
162 162  
163 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
164 164  
165 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
166 166  
167 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
168 168  
169 -(% style="display:none" %) (%%)
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
170 170  
171 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
172 172  
173 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
174 174  
173 +Connect USB TTL Adapter to PC after connecting the wires
175 175  
176 -(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
177 177  
178 -[[image:image-20230605152412-12.png]]
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
179 179  
180 180  
181 -[[image:image-20230605151851-6.png]]
179 +=== 2.8.3  Upgrade steps ===
182 182  
183 183  
184 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
182 +==== 1.  Switch SW1 to put in ISP position ====
185 185  
186 -[[image:image-20230605151851-7.png]]
187 187  
188 -[[image:image-20230605151851-8.png]]
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
189 189  
190 190  
191 -(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
188 +==== 2.  Press the RST switch once ====
192 192  
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
193 193  
194 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
195 195  
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
196 196  
197 -[[image:image-20230605151851-9.png]]
198 198  
196 +(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
199 199  
200 -(% style="color:blue" %)**Click Debug mode to debug.**
201 201  
202 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
199 +[[image:image-20220602103227-6.png]]
203 203  
204 204  
205 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
202 +[[image:image-20220602103357-7.png]]
206 206  
207 -(% style="display:none" %) (%%)
208 208  
209 -= 3.  Order Info =
210 210  
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
211 211  
212 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
213 213  
214 -(% style="color:blue" %)**XXX**(%%): The default frequency band
210 +[[image:image-20220602103844-8.png]]
215 215  
216 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
217 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
218 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
219 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
220 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
221 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
222 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
223 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
224 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
225 225  
226 -= 4.  FCC Statement =
227 227  
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
228 228  
229 -(% style="color:red" %)**FCC Caution:**
230 230  
231 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
218 +[[image:image-20220602104144-9.png]]
232 232  
233 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
234 234  
221 +[[image:image-20220602104251-10.png]]
235 235  
236 -(% style="color:red" %)**IMPORTANT NOTE: **
237 237  
238 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
224 +[[image:image-20220602104402-11.png]]
239 239  
240 -—Reorient or relocate the receiving antenna.
241 241  
242 -—Increase the separation between the equipment and receiver.
243 243  
244 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
245 245  
246 -—Consult the dealer or an experienced radio/TV technician for help.
231 +[[image:image-20220602104923-13.png]]
247 247  
248 248  
249 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
250 250  
251 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
252 252  
238 +[[image:image-20220602104948-14.png]]
239 +
240 +
241 +
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
244 +
245 +[[image:image-20220602105251-15.png]]
246 +
247 +
248 +
249 += 3.  LA66 USB LoRaWAN Adapter =
250 +
251 +
252 +== 3.1  Overview ==
253 +
254 +LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
255 +
256 +
257 +== 3.2  Features ==
258 +
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
269 +
270 +== Specification ==
271 +
272 +* CPU: 32-bit 48 MHz
273 +* Flash: 256KB
274 +* RAM: 64KB
275 +* Input Power Range: 5v
276 +* Frequency Range: 150 MHz ~~ 960 MHz
277 +* Maximum Power +22 dBm constant RF output
278 +* High sensitivity: -148 dBm
279 +* Temperature:
280 +** Storage: -55 ~~ +125℃
281 +** Operating: -40 ~~ +85℃
282 +* Humidity:
283 +** Storage: 5 ~~ 95% (Non-Condensing)
284 +** Operating: 10 ~~ 95% (Non-Condensing)
285 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 +* LoRa Rx current: <9 mA
287 +
288 +== Pin Mapping & LED ==
289 +
290 +== Example Send & Get Messages via LoRaWAN in PC ==
291 +
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
293 +
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
295 +
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
297 +
298 +Open the serial port tool
299 +
300 +[[image:image-20220602161617-8.png]]
301 +
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
303 +
304 +
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
306 +
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
308 +
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
310 +
311 +
312 +3. See Uplink Command
313 +
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
315 +
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
317 +
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
319 +
320 +
321 +4. Check to see if TTN received the message
322 +
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
324 +
325 +
326 +
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
328 +
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
331 +
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
334 +
335 +1.LA66 USB LoRaWAN Adapter works fine
336 +
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
338 +
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
341 +
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
343 +
344 +2.Run the python script in PC and see the TTN
345 +
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
347 +
348 +
349 +
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
351 +
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353 +
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
355 +
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
357 +
358 +
359 +2. Install Minicom in RPi.
360 +
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
362 +
363 +(% class="mark" %)apt update
364 +
365 +(% class="mark" %)apt install minicom
366 +
367 +
368 +Use minicom to connect to the RPI's terminal
369 +
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
371 +
372 +
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
375 +
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
377 +
378 +
379 +4. Send Uplink message
380 +
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
382 +
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
384 +
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
386 +
387 +Check to see if TTN received the message
388 +
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
390 +
391 +
392 +
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
394 +
395 +
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
397 +
398 +
399 +
400 += Order Info =
401 +
402 +Part Number:
403 +
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
405 +
406 +**XXX**: The default frequency band
407 +
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
417 +
418 += Reference =
419 +
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
253 253  
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