Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 101.1 >
edited by Xiaoling
on 2022/07/20 11:18
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
... ... @@ -84,80 +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 -
105 -[[image:image-20220719093156-1.png]]
106 -
107 -
108 -
109 -== 1.7  Land Pattern ==
110 -
111 111  [[image:image-20220517072821-2.png]]
112 112  
113 113  
114 114  
115 -= 2.  LA66 LoRaWAN Shield =
72 += LA66 LoRaWAN Shield =
116 116  
74 +== Overview ==
117 117  
118 -== 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.
119 119  
120 120  
121 -(((
122 -[[image:image-20220715000826-2.png||height="145" width="220"]]
123 -)))
79 +== Features ==
124 124  
125 -(((
126 -
127 -)))
128 -
129 -(((
130 -(% 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.
131 -)))
132 -
133 -(((
134 -(((
135 -(% 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.
136 -)))
137 -)))
138 -
139 -(((
140 -(((
141 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
142 -)))
143 -)))
144 -
145 -(((
146 -(((
147 -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.
148 -)))
149 -)))
150 -
151 -(((
152 -(((
153 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
154 -)))
155 -)))
156 -
157 -
158 -
159 -== 2.2  Features ==
160 -
161 161  * Arduino Shield base on LA66 LoRaWAN module
162 162  * Support LoRaWAN v1.0.4 protocol
163 163  * Support peer-to-peer protocol
... ... @@ -169,10 +169,8 @@
169 169  * Firmware upgradable via UART interface
170 170  * Ultra-long RF range
171 171  
92 +== Specification ==
172 172  
173 -
174 -== 2.3  Specification ==
175 -
176 176  * CPU: 32-bit 48 MHz
177 177  * Flash: 256KB
178 178  * RAM: 64KB
... ... @@ -191,29 +191,18 @@
191 191  * LoRa Rx current: <9 mA
192 192  * I/O Voltage: 3.3v
193 193  
112 +== Pin Mapping & LED ==
194 194  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
195 195  
196 -== 2.4  Pin Mapping & LED ==
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
197 197  
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
198 198  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
199 199  
200 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
122 +=== Items needed for update ===
201 201  
202 -
203 -
204 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
205 -
206 -
207 -
208 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
209 -
210 -
211 -
212 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
213 -
214 -
215 -=== 2.8.1  Items needed for update ===
216 -
217 217  1. LA66 LoRaWAN Shield
218 218  1. Arduino
219 219  1. USB TO TTL Adapter
... ... @@ -221,23 +221,15 @@
221 221  [[image:image-20220602100052-2.png||height="385" width="600"]]
222 222  
223 223  
224 -=== 2.8.2  Connection ===
131 +=== Connection ===
225 225  
226 -
227 227  [[image:image-20220602101311-3.png||height="276" width="600"]]
228 228  
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
229 229  
230 -(((
231 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
232 -)))
233 -
234 -(((
235 -(% style="background-color:yellow" %)**GND  <-> GND
236 -TXD  <->  TXD
237 -RXD  <->  RXD**
238 -)))
239 -
240 -
241 241  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
242 242  
243 243  Connect USB TTL Adapter to PC after connecting the wires
... ... @@ -246,115 +246,71 @@
246 246  [[image:image-20220602102240-4.png||height="304" width="600"]]
247 247  
248 248  
249 -=== 2.8.3  Upgrade steps ===
148 +=== Upgrade steps ===
250 250  
150 +==== Switch SW1 to put in ISP position ====
251 251  
252 -==== 1.  Switch SW1 to put in ISP position ====
253 -
254 -
255 255  [[image:image-20220602102824-5.png||height="306" width="600"]]
256 256  
257 257  
155 +==== Press the RST switch once ====
258 258  
259 -==== 2.  Press the RST switch once ====
260 -
261 -
262 262  [[image:image-20220602104701-12.png||height="285" width="600"]]
263 263  
264 264  
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
265 265  
266 -==== 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/]]**
267 267  
268 -
269 -(((
270 -(% 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/]]**
271 -)))
272 -
273 -
274 274  [[image:image-20220602103227-6.png]]
275 275  
276 -
277 277  [[image:image-20220602103357-7.png]]
278 278  
279 279  
280 -
281 281  (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
282 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
170 +**2. Select the COM port corresponding to USB TTL**
283 283  
284 -
285 285  [[image:image-20220602103844-8.png]]
286 286  
287 287  
288 -
289 289  (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
290 -(% style="color:blue" %)**3. Select the bin file to burn**
176 +**3. Select the bin file to burn**
291 291  
292 -
293 293  [[image:image-20220602104144-9.png]]
294 294  
295 -
296 296  [[image:image-20220602104251-10.png]]
297 297  
298 -
299 299  [[image:image-20220602104402-11.png]]
300 300  
301 301  
302 -
303 303  (% class="wikigeneratedid" id="HClicktostartthedownload" %)
304 -(% style="color:blue" %)**4. Click to start the download**
186 +**4. Click to start the download**
305 305  
306 306  [[image:image-20220602104923-13.png]]
307 307  
308 308  
309 -
310 310  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
311 -(% style="color:blue" %)**5. Check update process**
192 +**5. Check update process**
312 312  
313 -
314 314  [[image:image-20220602104948-14.png]]
315 315  
316 316  
317 -
318 318  (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
319 -(% style="color:blue" %)**The following picture shows that the burning is successful**
198 +**The following picture shows that the burning is successful**
320 320  
321 321  [[image:image-20220602105251-15.png]]
322 322  
323 323  
324 324  
325 -= 3.  LA66 USB LoRaWAN Adapter =
204 += LA66 USB LoRaWAN Adapter =
326 326  
206 +== Overview ==
327 327  
328 -== 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.
329 329  
330 330  
331 -[[image:image-20220715001142-3.png||height="145" width="220"]]
211 +== Features ==
332 332  
333 -
334 -(((
335 -(% 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.
336 -)))
337 -
338 -(((
339 -(% 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.
340 -)))
341 -
342 -(((
343 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
344 -)))
345 -
346 -(((
347 -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.
348 -)))
349 -
350 -(((
351 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
352 -)))
353 -
354 -
355 -
356 -== 3.2  Features ==
357 -
358 358  * LoRaWAN USB adapter base on LA66 LoRaWAN module
359 359  * Ultra-long RF range
360 360  * Support LoRaWAN v1.0.4 protocol
... ... @@ -365,12 +365,9 @@
365 365  * World-wide unique OTAA keys.
366 366  * AT Command via UART-TTL interface
367 367  * Firmware upgradable via UART interface
368 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
369 369  
224 +== Specification ==
370 370  
371 -
372 -== 3.3  Specification ==
373 -
374 374  * CPU: 32-bit 48 MHz
375 375  * Flash: 256KB
376 376  * RAM: 64KB
... ... @@ -387,26 +387,16 @@
387 387  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
388 388  * LoRa Rx current: <9 mA
389 389  
242 +== Pin Mapping & LED ==
390 390  
244 +== Example Send & Get Messages via LoRaWAN in PC ==
391 391  
392 -== 3.4  Pin Mapping & LED ==
393 -
394 -
395 -
396 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
397 -
398 -
399 -(((
400 400  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
401 -)))
402 402  
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
403 403  
404 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
405 -
406 -
407 407  [[image:image-20220602171217-1.png||height="538" width="800"]]
408 408  
409 -
410 410  Open the serial port tool
411 411  
412 412  [[image:image-20220602161617-8.png]]
... ... @@ -414,75 +414,67 @@
414 414  [[image:image-20220602161718-9.png||height="457" width="800"]]
415 415  
416 416  
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
417 417  
418 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
419 -
420 420  The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
421 421  
422 -
423 423  [[image:image-20220602161935-10.png||height="498" width="800"]]
424 424  
425 425  
266 +3. See Uplink Command
426 426  
427 -(% style="color:blue" %)**3. See Uplink Command**
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
428 428  
429 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
430 -
431 431  example: AT+SENDB=01,02,8,05820802581ea0a5
432 432  
433 433  [[image:image-20220602162157-11.png||height="497" width="800"]]
434 434  
435 435  
275 +4. Check to see if TTN received the message
436 436  
437 -(% style="color:blue" %)**4. Check to see if TTN received the message**
438 -
439 439  [[image:image-20220602162331-12.png||height="420" width="800"]]
440 440  
441 441  
442 442  
443 -== 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 ==
444 444  
445 -
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
446 446  **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]]
447 447  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
448 448  
449 -(% style="color:red" %)**Preconditions:**
289 +1.LA66 USB LoRaWAN Adapter works fine
450 450  
451 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
452 452  
453 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
454 454  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
455 455  
298 +2.Run the python script in PC and see the TTN
456 456  
457 -(% style="color:blue" %)**Steps for usage:**
458 -
459 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
460 -
461 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
462 -
463 463  [[image:image-20220602115852-3.png||height="450" width="1187"]]
464 464  
465 465  
466 466  
467 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
468 468  
469 -
470 470  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
471 471  
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
472 472  
473 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
474 -
475 475  [[image:image-20220602171233-2.png||height="538" width="800"]]
476 476  
477 477  
313 +2. Install Minicom in RPi.
478 478  
479 -(% style="color:blue" %)**2. Install Minicom in RPi.**
480 -
481 481  (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
482 482  
483 - (% style="background-color:yellow" %)**apt update**
317 +(% class="mark" %)apt update
484 484  
485 - (% style="background-color:yellow" %)**apt install minicom**
319 +(% class="mark" %)apt install minicom
486 486  
487 487  
488 488  Use minicom to connect to the RPI's terminal
... ... @@ -490,27 +490,20 @@
490 490  [[image:image-20220602153146-3.png||height="439" width="500"]]
491 491  
492 492  
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
493 493  
494 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
495 -
496 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
497 -
498 -
499 499  [[image:image-20220602154928-5.png||height="436" width="500"]]
500 500  
501 501  
333 +4. Send Uplink message
502 502  
503 -(% style="color:blue" %)**4. Send Uplink message**
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
504 504  
505 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
506 -
507 507  example: AT+SENDB=01,02,8,05820802581ea0a5
508 508  
509 -
510 510  [[image:image-20220602160339-6.png||height="517" width="600"]]
511 511  
512 -
513 -
514 514  Check to see if TTN received the message
515 515  
516 516  [[image:image-20220602160627-7.png||height="369" width="800"]]
... ... @@ -517,34 +517,34 @@
517 517  
518 518  
519 519  
520 -== 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. ==
521 521  
522 522  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
523 523  
524 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
525 525  
526 526  
354 += Order Info =
527 527  
356 +Part Number:
528 528  
529 -= 4.  Order Info =
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
530 530  
360 +**XXX**: The default frequency band
531 531  
532 -**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
533 533  
534 534  
535 -(% style="color:blue" %)**XXX**(%%): The default frequency band
373 += Reference =
536 536  
537 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
538 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
539 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
540 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
541 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
542 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
543 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
544 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
545 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
546 -
547 -
548 -= 5.  Reference =
549 -
550 550  * 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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