Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 101.3 >
edited by Xiaoling
on 2022/07/20 11:21
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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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 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 25  (% 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.
26 -)))
27 -)))
28 28  
29 -(((
30 -(((
31 31  (% 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.
32 -)))
33 -)))
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 41  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.
42 -)))
43 -)))
44 44  
45 -(((
46 -(((
47 47  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
50 50  
51 51  
20 +== Features ==
52 52  
53 -== 1.2  Features ==
54 -
55 55  * Support LoRaWAN v1.0.4 protocol
56 56  * Support peer-to-peer protocol
57 57  * TCXO crystal to ensure RF performance on low temperature
... ... @@ -62,10 +62,8 @@
62 62  * Firmware upgradable via UART interface
63 63  * Ultra-long RF range
64 64  
32 +== Specification ==
65 65  
66 -
67 -== 1.3  Specification ==
68 -
69 69  * CPU: 32-bit 48 MHz
70 70  * Flash: 256KB
71 71  * RAM: 64KB
... ... @@ -84,79 +84,35 @@
84 84  * LoRa Rx current: <9 mA
85 85  * I/O Voltage: 3.3v
86 86  
52 +== AT Command ==
87 87  
88 -
89 -== 1.4  AT Command ==
90 -
91 -
92 92  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 93  
94 94  
57 +== Dimension ==
95 95  
96 -== 1.5  Dimension ==
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220718094750-3.png]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -== 1.6  Pin Mapping ==
66 +== Land Pattern ==
103 103  
104 -[[image:image-20220720111850-1.png]]
105 -
106 -
107 -
108 -== 1.7  Land Pattern ==
109 -
110 110  [[image:image-20220517072821-2.png]]
111 111  
112 112  
113 113  
114 -= 2.  LA66 LoRaWAN Shield =
72 += LA66 LoRaWAN Shield =
115 115  
74 +== Overview ==
116 116  
117 -== 2.1  Overview ==
76 +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  
119 119  
120 -(((
121 -[[image:image-20220715000826-2.png||height="145" width="220"]]
122 -)))
79 +== Features ==
123 123  
124 -(((
125 -
126 -)))
127 -
128 -(((
129 -(% style="color:blue" %)**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.
130 -)))
131 -
132 -(((
133 -(((
134 -(% 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.
135 -)))
136 -)))
137 -
138 -(((
139 -(((
140 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
141 -)))
142 -)))
143 -
144 -(((
145 -(((
146 -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.
147 -)))
148 -)))
149 -
150 -(((
151 -(((
152 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
153 -)))
154 -)))
155 -
156 -
157 -
158 -== 2.2  Features ==
159 -
160 160  * Arduino Shield base on LA66 LoRaWAN module
161 161  * Support LoRaWAN v1.0.4 protocol
162 162  * Support peer-to-peer protocol
... ... @@ -168,10 +168,8 @@
168 168  * Firmware upgradable via UART interface
169 169  * Ultra-long RF range
170 170  
92 +== Specification ==
171 171  
172 -
173 -== 2.3  Specification ==
174 -
175 175  * CPU: 32-bit 48 MHz
176 176  * Flash: 256KB
177 177  * RAM: 64KB
... ... @@ -190,29 +190,18 @@
190 190  * LoRa Rx current: <9 mA
191 191  * I/O Voltage: 3.3v
192 192  
112 +== Pin Mapping & LED ==
193 193  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
194 194  
195 -== 2.4  Pin Mapping & LED ==
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
196 196  
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
197 197  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
198 198  
199 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
122 +=== Items needed for update ===
200 200  
201 -
202 -
203 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
204 -
205 -
206 -
207 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
208 -
209 -
210 -
211 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
212 -
213 -
214 -=== 2.8.1  Items needed for update ===
215 -
216 216  1. LA66 LoRaWAN Shield
217 217  1. Arduino
218 218  1. USB TO TTL Adapter
... ... @@ -220,23 +220,15 @@
220 220  [[image:image-20220602100052-2.png||height="385" width="600"]]
221 221  
222 222  
223 -=== 2.8.2  Connection ===
131 +=== Connection ===
224 224  
225 -
226 226  [[image:image-20220602101311-3.png||height="276" width="600"]]
227 227  
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
228 228  
229 -(((
230 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
231 -)))
232 -
233 -(((
234 -(% style="background-color:yellow" %)**GND  <-> GND
235 -TXD  <->  TXD
236 -RXD  <->  RXD**
237 -)))
238 -
239 -
240 240  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
241 241  
242 242  Connect USB TTL Adapter to PC after connecting the wires
... ... @@ -245,115 +245,71 @@
245 245  [[image:image-20220602102240-4.png||height="304" width="600"]]
246 246  
247 247  
248 -=== 2.8.3  Upgrade steps ===
148 +=== Upgrade steps ===
249 249  
150 +==== Switch SW1 to put in ISP position ====
250 250  
251 -==== 1.  Switch SW1 to put in ISP position ====
252 -
253 -
254 254  [[image:image-20220602102824-5.png||height="306" width="600"]]
255 255  
256 256  
155 +==== Press the RST switch once ====
257 257  
258 -==== 2.  Press the RST switch once ====
259 -
260 -
261 261  [[image:image-20220602104701-12.png||height="285" width="600"]]
262 262  
263 263  
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
264 264  
265 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
162 +**~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/]]**
266 266  
267 -
268 -(((
269 -(% 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/]]**
270 -)))
271 -
272 -
273 273  [[image:image-20220602103227-6.png]]
274 274  
275 -
276 276  [[image:image-20220602103357-7.png]]
277 277  
278 278  
279 -
280 280  (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
281 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
170 +**2. Select the COM port corresponding to USB TTL**
282 282  
283 -
284 284  [[image:image-20220602103844-8.png]]
285 285  
286 286  
287 -
288 288  (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
289 -(% style="color:blue" %)**3. Select the bin file to burn**
176 +**3. Select the bin file to burn**
290 290  
291 -
292 292  [[image:image-20220602104144-9.png]]
293 293  
294 -
295 295  [[image:image-20220602104251-10.png]]
296 296  
297 -
298 298  [[image:image-20220602104402-11.png]]
299 299  
300 300  
301 -
302 302  (% class="wikigeneratedid" id="HClicktostartthedownload" %)
303 -(% style="color:blue" %)**4. Click to start the download**
186 +**4. Click to start the download**
304 304  
305 305  [[image:image-20220602104923-13.png]]
306 306  
307 307  
308 -
309 309  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
310 -(% style="color:blue" %)**5. Check update process**
192 +**5. Check update process**
311 311  
312 -
313 313  [[image:image-20220602104948-14.png]]
314 314  
315 315  
316 -
317 317  (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
318 -(% style="color:blue" %)**The following picture shows that the burning is successful**
198 +**The following picture shows that the burning is successful**
319 319  
320 320  [[image:image-20220602105251-15.png]]
321 321  
322 322  
323 323  
324 -= 3.  LA66 USB LoRaWAN Adapter =
204 += LA66 USB LoRaWAN Adapter =
325 325  
206 +== Overview ==
326 326  
327 -== 3.1  Overview ==
208 +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.
328 328  
329 329  
330 -[[image:image-20220715001142-3.png||height="145" width="220"]]
211 +== Features ==
331 331  
332 -
333 -(((
334 -(% 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.
335 -)))
336 -
337 -(((
338 -(% 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.
339 -)))
340 -
341 -(((
342 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
343 -)))
344 -
345 -(((
346 -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.
347 -)))
348 -
349 -(((
350 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
351 -)))
352 -
353 -
354 -
355 -== 3.2  Features ==
356 -
357 357  * LoRaWAN USB adapter base on LA66 LoRaWAN module
358 358  * Ultra-long RF range
359 359  * Support LoRaWAN v1.0.4 protocol
... ... @@ -364,12 +364,9 @@
364 364  * World-wide unique OTAA keys.
365 365  * AT Command via UART-TTL interface
366 366  * Firmware upgradable via UART interface
367 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
368 368  
224 +== Specification ==
369 369  
370 -
371 -== 3.3  Specification ==
372 -
373 373  * CPU: 32-bit 48 MHz
374 374  * Flash: 256KB
375 375  * RAM: 64KB
... ... @@ -386,26 +386,16 @@
386 386  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
387 387  * LoRa Rx current: <9 mA
388 388  
242 +== Pin Mapping & LED ==
389 389  
244 +== Example Send & Get Messages via LoRaWAN in PC ==
390 390  
391 -== 3.4  Pin Mapping & LED ==
392 -
393 -
394 -
395 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
396 -
397 -
398 -(((
399 399  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
400 -)))
401 401  
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
402 402  
403 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
404 -
405 -
406 406  [[image:image-20220602171217-1.png||height="538" width="800"]]
407 407  
408 -
409 409  Open the serial port tool
410 410  
411 411  [[image:image-20220602161617-8.png]]
... ... @@ -413,75 +413,67 @@
413 413  [[image:image-20220602161718-9.png||height="457" width="800"]]
414 414  
415 415  
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
416 416  
417 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
418 -
419 419  The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
420 420  
421 -
422 422  [[image:image-20220602161935-10.png||height="498" width="800"]]
423 423  
424 424  
266 +3. See Uplink Command
425 425  
426 -(% style="color:blue" %)**3. See Uplink Command**
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
427 427  
428 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429 -
430 430  example: AT+SENDB=01,02,8,05820802581ea0a5
431 431  
432 432  [[image:image-20220602162157-11.png||height="497" width="800"]]
433 433  
434 434  
275 +4. Check to see if TTN received the message
435 435  
436 -(% style="color:blue" %)**4. Check to see if TTN received the message**
437 -
438 438  [[image:image-20220602162331-12.png||height="420" width="800"]]
439 439  
440 440  
441 441  
442 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
443 443  
444 -
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
445 445  **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]]
446 446  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
447 447  
448 -(% style="color:red" %)**Preconditions:**
289 +1.LA66 USB LoRaWAN Adapter works fine
449 449  
450 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
451 451  
452 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
453 453  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
454 454  
298 +2.Run the python script in PC and see the TTN
455 455  
456 -(% style="color:blue" %)**Steps for usage:**
457 -
458 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
459 -
460 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
461 -
462 462  [[image:image-20220602115852-3.png||height="450" width="1187"]]
463 463  
464 464  
465 465  
466 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
467 467  
468 -
469 469  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
470 470  
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
471 471  
472 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
473 -
474 474  [[image:image-20220602171233-2.png||height="538" width="800"]]
475 475  
476 476  
313 +2. Install Minicom in RPi.
477 477  
478 -(% style="color:blue" %)**2. Install Minicom in RPi.**
479 -
480 480  (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
481 481  
482 - (% style="background-color:yellow" %)**apt update**
317 +(% class="mark" %)apt update
483 483  
484 - (% style="background-color:yellow" %)**apt install minicom**
319 +(% class="mark" %)apt install minicom
485 485  
486 486  
487 487  Use minicom to connect to the RPI's terminal
... ... @@ -489,27 +489,20 @@
489 489  [[image:image-20220602153146-3.png||height="439" width="500"]]
490 490  
491 491  
327 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
492 492  
493 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
494 -
495 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
496 -
497 -
498 498  [[image:image-20220602154928-5.png||height="436" width="500"]]
499 499  
500 500  
333 +4. Send Uplink message
501 501  
502 -(% style="color:blue" %)**4. Send Uplink message**
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
503 503  
504 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
505 -
506 506  example: AT+SENDB=01,02,8,05820802581ea0a5
507 507  
508 -
509 509  [[image:image-20220602160339-6.png||height="517" width="600"]]
510 510  
511 -
512 -
513 513  Check to see if TTN received the message
514 514  
515 515  [[image:image-20220602160627-7.png||height="369" width="800"]]
... ... @@ -516,33 +516,34 @@
516 516  
517 517  
518 518  
519 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
520 520  
521 521  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
522 522  
523 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
524 524  
525 525  
354 += Order Info =
526 526  
356 +Part Number:
527 527  
528 -= 4.  Order Info =
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
529 529  
360 +**XXX**: The default frequency band
530 530  
531 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
362 +* **AS923**: LoRaWAN AS923 band
363 +* **AU915**: LoRaWAN AU915 band
364 +* **EU433**: LoRaWAN EU433 band
365 +* **EU868**: LoRaWAN EU868 band
366 +* **KR920**: LoRaWAN KR920 band
367 +* **US915**: LoRaWAN US915 band
368 +* **IN865**: LoRaWAN IN865 band
369 +* **CN470**: LoRaWAN CN470 band
370 +* **PP**: Peer to Peer LoRa Protocol
532 532  
533 533  
534 -(% style="color:blue" %)**XXX**(%%): The default frequency band
373 += Reference =
535 535  
536 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
537 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
538 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
539 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
540 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
541 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
542 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
543 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
544 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
545 -
546 -= 5.  Reference =
547 -
548 548  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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