Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 91.1 >
edited by Edwin Chen
on 2022/07/15 00:10
To version < 83.1 >
edited by Edwin Chen
on 2022/07/10 22:05
>
Change comment: There is no comment for this version

Summary

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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 -
14 -
15 -(((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
17 -
18 18  (% 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.
19 -)))
20 20  
21 -(((
22 22  (% 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.
23 -)))
24 24  
25 -(((
26 26  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 -)))
28 28  
29 -(((
30 30  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.
31 -)))
32 32  
33 -(((
34 34  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 -)))
36 36  
37 37  
38 -== 1.2  Features ==
20 +== Features ==
39 39  
40 40  * Support LoRaWAN v1.0.4 protocol
41 41  * Support peer-to-peer protocol
... ... @@ -47,7 +47,7 @@
47 47  * Firmware upgradable via UART interface
48 48  * Ultra-long RF range
49 49  
50 -== 1.3  Specification ==
32 +== Specification ==
51 51  
52 52  * CPU: 32-bit 48 MHz
53 53  * Flash: 256KB
... ... @@ -67,60 +67,50 @@
67 67  * LoRa Rx current: <9 mA
68 68  * I/O Voltage: 3.3v
69 69  
70 -== 1.4  AT Command ==
52 +== AT Command ==
71 71  
72 72  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
73 73  
74 74  
75 -== 1.5  Dimension ==
57 +== Dimension ==
76 76  
77 77  [[image:image-20220517072526-1.png]]
78 78  
79 79  
62 +== Pin Mapping ==
80 80  
81 -== 1.6  Pin Mapping ==
82 -
83 -
84 84  [[image:image-20220523101537-1.png]]
85 85  
66 +== Land Pattern ==
86 86  
87 -
88 -== 1.7  Land Pattern ==
89 -
90 90  [[image:image-20220517072821-2.png]]
91 91  
92 92  
71 +== Order Info ==
93 93  
94 -= 2.  LA66 LoRaWAN Shield =
73 +Part Number: **LA66-XXX**
95 95  
75 +**XX**: The default frequency band
96 96  
97 -== 2.1  Overview ==
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
98 98  
87 += LA66 LoRaWAN Shield =
99 99  
100 -[[image:image-20220715000826-2.png||height="386" width="449"]]
89 +== Overview ==
101 101  
102 -
103 103  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.
104 104  
105 -(((
106 -(% 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.
107 -)))
108 108  
109 -(((
110 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111 -)))
94 +== Features ==
112 112  
113 -(((
114 -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.
115 -)))
116 -
117 -(((
118 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119 -)))
120 -
121 -
122 -== 2.2  Features ==
123 -
124 124  * Arduino Shield base on LA66 LoRaWAN module
125 125  * Support LoRaWAN v1.0.4 protocol
126 126  * Support peer-to-peer protocol
... ... @@ -132,7 +132,7 @@
132 132  * Firmware upgradable via UART interface
133 133  * Ultra-long RF range
134 134  
135 -== 2.3  Specification ==
107 +== Specification ==
136 136  
137 137  * CPU: 32-bit 48 MHz
138 138  * Flash: 256KB
... ... @@ -152,52 +152,34 @@
152 152  * LoRa Rx current: <9 mA
153 153  * I/O Voltage: 3.3v
154 154  
155 -== 2.4  Pin Mapping & LED ==
127 +== Pin Mapping & LED ==
156 156  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
157 157  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
158 158  
159 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
160 160  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
161 161  
137 +=== Items needed for update ===
162 162  
163 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
164 -
165 -
166 -
167 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
168 -
169 -
170 -
171 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
172 -
173 -
174 -=== 2.8.1  Items needed for update ===
175 -
176 176  1. LA66 LoRaWAN Shield
177 177  1. Arduino
178 178  1. USB TO TTL Adapter
179 179  
180 -
181 181  [[image:image-20220602100052-2.png||height="385" width="600"]]
182 182  
183 183  
184 -=== 2.8.2  Connection ===
146 +=== Connection ===
185 185  
186 -
187 187  [[image:image-20220602101311-3.png||height="276" width="600"]]
188 188  
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
189 189  
190 -(((
191 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
192 -)))
193 -
194 -(((
195 -(% style="background-color:yellow" %)**GND  <-> GND
196 -TXD  <->  TXD
197 -RXD  <->  RXD**
198 -)))
199 -
200 -
201 201  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
202 202  
203 203  Connect USB TTL Adapter to PC after connecting the wires
... ... @@ -206,99 +206,90 @@
206 206  [[image:image-20220602102240-4.png||height="304" width="600"]]
207 207  
208 208  
209 -=== 2.8.3  Upgrade steps ===
163 +=== Upgrade steps ===
210 210  
165 +==== Switch SW1 to put in ISP position ====
211 211  
212 -==== 1.  Switch SW1 to put in ISP position ====
213 -
214 -
215 215  [[image:image-20220602102824-5.png||height="306" width="600"]]
216 216  
217 217  
170 +==== Press the RST switch once ====
218 218  
219 -==== 2.  Press the RST switch once ====
220 -
221 -
222 222  [[image:image-20220602104701-12.png||height="285" width="600"]]
223 223  
224 224  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
225 225  
226 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
177 +**~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/]]**
227 227  
228 -
229 -(((
230 -(% 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/]]**
231 -)))
232 -
233 -
234 234  [[image:image-20220602103227-6.png]]
235 235  
236 -
237 237  [[image:image-20220602103357-7.png]]
238 238  
239 239  
240 -
241 241  (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
242 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
185 +**2. Select the COM port corresponding to USB TTL**
243 243  
244 -
245 245  [[image:image-20220602103844-8.png]]
246 246  
247 247  
248 -
249 249  (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
250 -(% style="color:blue" %)**3. Select the bin file to burn**
191 +**3. Select the bin file to burn**
251 251  
252 -
253 253  [[image:image-20220602104144-9.png]]
254 254  
255 -
256 256  [[image:image-20220602104251-10.png]]
257 257  
258 -
259 259  [[image:image-20220602104402-11.png]]
260 260  
261 261  
262 -
263 263  (% class="wikigeneratedid" id="HClicktostartthedownload" %)
264 -(% style="color:blue" %)**4. Click to start the download**
201 +**4. Click to start the download**
265 265  
266 266  [[image:image-20220602104923-13.png]]
267 267  
268 268  
269 -
270 270  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
271 -(% style="color:blue" %)**5. Check update process**
207 +**5. Check update process**
272 272  
273 -
274 274  [[image:image-20220602104948-14.png]]
275 275  
276 276  
277 -
278 278  (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
279 -(% style="color:blue" %)**The following picture shows that the burning is successful**
213 +**The following picture shows that the burning is successful**
280 280  
281 281  [[image:image-20220602105251-15.png]]
282 282  
283 283  
218 +== Order Info ==
284 284  
285 -= 3.  LA66 USB LoRaWAN Adapter =
220 +Part Number: **LA66-LoRaWAN-Shield-XXX**
286 286  
222 +**XX**: The default frequency band
287 287  
288 -== 3.1  Overview ==
224 +* **AS923**: LoRaWAN AS923 band
225 +* **AU915**: LoRaWAN AU915 band
226 +* **EU433**: LoRaWAN EU433 band
227 +* **EU868**: LoRaWAN EU868 band
228 +* **KR920**: LoRaWAN KR920 band
229 +* **US915**: LoRaWAN US915 band
230 +* **IN865**: LoRaWAN IN865 band
231 +* **CN470**: LoRaWAN CN470 band
232 +* **PP**: Peer to Peer LoRa Protocol
289 289  
290 -(% style="color:blue" %)**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.
234 +== Package Info ==
291 291  
292 -(% 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.
236 +* LA66 LoRaWAN Shield x 1
237 +* RF Antenna x 1
293 293  
294 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
239 += LA66 USB LoRaWAN Adapter =
295 295  
296 -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.
241 +== Overview ==
297 297  
298 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
243 +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.
299 299  
300 300  
301 -== 3.2  Features ==
246 +== Features ==
302 302  
303 303  * LoRaWAN USB adapter base on LA66 LoRaWAN module
304 304  * Ultra-long RF range
... ... @@ -311,7 +311,7 @@
311 311  * AT Command via UART-TTL interface
312 312  * Firmware upgradable via UART interface
313 313  
314 -== 3.3  Specification ==
259 +== Specification ==
315 315  
316 316  * CPU: 32-bit 48 MHz
317 317  * Flash: 256KB
... ... @@ -329,22 +329,16 @@
329 329  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
330 330  * LoRa Rx current: <9 mA
331 331  
332 -== 3.4  Pin Mapping & LED ==
277 +== Pin Mapping & LED ==
333 333  
279 +== Example Send & Get Messages via LoRaWAN in PC ==
334 334  
335 -
336 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
337 -
338 -
339 339  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
340 340  
283 +~1. Connect the LA66 USB LoRaWAN adapter to PC
341 341  
342 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
343 -
344 -
345 345  [[image:image-20220602171217-1.png||height="538" width="800"]]
346 346  
347 -
348 348  Open the serial port tool
349 349  
350 350  [[image:image-20220602161617-8.png]]
... ... @@ -352,75 +352,67 @@
352 352  [[image:image-20220602161718-9.png||height="457" width="800"]]
353 353  
354 354  
294 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
355 355  
356 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
357 -
358 358  The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
359 359  
360 -
361 361  [[image:image-20220602161935-10.png||height="498" width="800"]]
362 362  
363 363  
301 +3. See Uplink Command
364 364  
365 -(% style="color:blue" %)**3. See Uplink Command**
303 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
366 366  
367 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
368 -
369 369  example: AT+SENDB=01,02,8,05820802581ea0a5
370 370  
371 371  [[image:image-20220602162157-11.png||height="497" width="800"]]
372 372  
373 373  
310 +4. Check to see if TTN received the message
374 374  
375 -(% style="color:blue" %)**4. Check to see if TTN received the message**
376 -
377 377  [[image:image-20220602162331-12.png||height="420" width="800"]]
378 378  
379 379  
380 380  
381 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
316 +== (% id="cke_bm_637361S" style="display:none" %) (%%)Example: Send PC's CPU/RAM usage to TTN via python ==
382 382  
318 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
319 +**Use python as an example：**
383 383  
384 -**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]]
321 +(% class="wikigeneratedid" id="HPreconditions:" %)
322 +**Preconditions:**
385 385  
324 +1.LA66 USB LoRaWAN Adapter works fine
386 386  
387 -(% style="color:red" %)**Preconditions:**
326 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
388 388  
389 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
328 +(% class="wikigeneratedid" id="HStepsforusage" %)
329 +**Steps for usage**
390 390  
391 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
331 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
392 392  
333 +2.Run the python script in PC and see the TTN
393 393  
394 -
395 -(% style="color:blue" %)**Steps for usage:**
396 -
397 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
398 -
399 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
400 -
401 401  [[image:image-20220602115852-3.png||height="450" width="1187"]]
402 402  
403 403  
404 404  
405 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
339 +== Example Send & Get Messages via LoRaWAN in RPi ==
406 406  
407 -
408 408  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
409 409  
343 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
410 410  
411 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
412 -
413 413  [[image:image-20220602171233-2.png||height="538" width="800"]]
414 414  
415 415  
348 +2. Install Minicom in RPi.
416 416  
417 -(% style="color:blue" %)**2. Install Minicom in RPi.**
418 -
419 419  (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
420 420  
421 - (% style="background-color:yellow" %)**apt update**
352 +(% class="mark" %)apt update
422 422  
423 - (% style="background-color:yellow" %)**apt install minicom**
354 +(% class="mark" %)apt install minicom
424 424  
425 425  
426 426  Use minicom to connect to the RPI's terminal
... ... @@ -428,27 +428,20 @@
428 428  [[image:image-20220602153146-3.png||height="439" width="500"]]
429 429  
430 430  
362 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
363 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
431 431  
432 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
433 -
434 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
435 -
436 -
437 437  [[image:image-20220602154928-5.png||height="436" width="500"]]
438 438  
439 439  
368 +4. Send Uplink message
440 440  
441 -(% style="color:blue" %)**4. Send Uplink message**
370 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
442 442  
443 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
444 -
445 445  example: AT+SENDB=01,02,8,05820802581ea0a5
446 446  
447 -
448 448  [[image:image-20220602160339-6.png||height="517" width="600"]]
449 449  
450 -
451 -
452 452  Check to see if TTN received the message
453 453  
454 454  [[image:image-20220602160627-7.png||height="369" width="800"]]
... ... @@ -455,35 +455,35 @@
455 455  
456 456  
457 457  
458 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
382 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
459 459  
460 460  
385 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
461 461  
462 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
463 463  
464 464  
389 +== Order Info ==
465 465  
391 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
466 466  
467 -= 4.  Order Info =
393 +**XX**: The default frequency band
468 468  
395 +* **AS923**: LoRaWAN AS923 band
396 +* **AU915**: LoRaWAN AU915 band
397 +* **EU433**: LoRaWAN EU433 band
398 +* **EU868**: LoRaWAN EU868 band
399 +* **KR920**: LoRaWAN KR920 band
400 +* **US915**: LoRaWAN US915 band
401 +* **IN865**: LoRaWAN IN865 band
402 +* **CN470**: LoRaWAN CN470 band
403 +* **PP**: Peer to Peer LoRa Protocol
469 469  
470 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
405 +== Package Info ==
471 471  
407 +* LA66 USB LoRaWAN Adapter x 1
472 472  
473 -(% style="color:blue" %)**XXX**(%%): The default frequency band
409 += Reference =
474 474  
475 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
476 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
477 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
478 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
479 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
480 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
481 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
482 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
483 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
484 -
485 -= 5.  Reference =
486 -
487 487  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
488 488  
489 489  
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