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Wiki source code of LA66 LoRaWAN Module

Version 137.1 by Herong Lu on 2022/07/26 13:54
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1
2
3 **Table of Contents:**
4
5 {{toc/}}
6
7
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 (% 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
29 (((
30 (((
31 (% 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.
32 )))
33 )))
34
35 (((
36 (((
37 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 )))
39
40 (((
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
45 (((
46 (((
47 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 )))
49 )))
50
51
52
53 == 1.2  Features ==
54
55 * Support LoRaWAN v1.0.4 protocol
56 * Support peer-to-peer protocol
57 * TCXO crystal to ensure RF performance on low temperature
58 * SMD Antenna pad and i-pex antenna connector
59 * Available in different frequency LoRaWAN frequency bands.
60 * World-wide unique OTAA keys.
61 * AT Command via UART-TTL interface
62 * Firmware upgradable via UART interface
63 * Ultra-long RF range
64
65
66
67 == 1.3  Specification ==
68
69 * CPU: 32-bit 48 MHz
70 * Flash: 256KB
71 * RAM: 64KB
72 * Input Power Range: 1.8v ~~ 3.7v
73 * Power Consumption: < 4uA.
74 * Frequency Range: 150 MHz ~~ 960 MHz
75 * Maximum Power +22 dBm constant RF output
76 * High sensitivity: -148 dBm
77 * Temperature:
78 ** Storage: -55 ~~ +125℃
79 ** Operating: -40 ~~ +85℃
80 * Humidity:
81 ** Storage: 5 ~~ 95% (Non-Condensing)
82 ** Operating: 10 ~~ 95% (Non-Condensing)
83 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
84 * LoRa Rx current: <9 mA
85 * I/O Voltage: 3.3v
86
87
88
89 == 1.4  AT Command ==
90
91
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
94
95
96 == 1.5  Dimension ==
97
98 [[image:image-20220718094750-3.png]]
99
100
101
102 == 1.6  Pin Mapping ==
103
104 [[image:image-20220720111850-1.png]]
105
106
107
108 == 1.7  Land Pattern ==
109
110 [[image:image-20220517072821-2.png]]
111
112
113
114 = 2.  LA66 LoRaWAN Shield =
115
116
117 == 2.1  Overview ==
118
119
120 (((
121 [[image:image-20220715000826-2.png||height="145" width="220"]]
122 )))
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 v1.0.3 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.
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 * Arduino Shield base on LA66 LoRaWAN module
161 * Support LoRaWAN v1.0.4 protocol
162 * Support peer-to-peer protocol
163 * TCXO crystal to ensure RF performance on low temperature
164 * SMA connector
165 * Available in different frequency LoRaWAN frequency bands.
166 * World-wide unique OTAA keys.
167 * AT Command via UART-TTL interface
168 * Firmware upgradable via UART interface
169 * Ultra-long RF range
170
171
172
173 == 2.3  Specification ==
174
175 * CPU: 32-bit 48 MHz
176 * Flash: 256KB
177 * RAM: 64KB
178 * Input Power Range: 1.8v ~~ 3.7v
179 * Power Consumption: < 4uA.
180 * Frequency Range: 150 MHz ~~ 960 MHz
181 * Maximum Power +22 dBm constant RF output
182 * High sensitivity: -148 dBm
183 * Temperature:
184 ** Storage: -55 ~~ +125℃
185 ** Operating: -40 ~~ +85℃
186 * Humidity:
187 ** Storage: 5 ~~ 95% (Non-Condensing)
188 ** Operating: 10 ~~ 95% (Non-Condensing)
189 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
190 * LoRa Rx current: <9 mA
191 * I/O Voltage: 3.3v
192
193
194
195 == 2.4  LED ==
196
197
198 ~1. The LED lights up red when there is an upstream data packet
199 2. When the network is successfully connected, the green light will be on for 5 seconds
200 3. Purple light on when receiving downlink data packets
201
202
203
204 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
205
206
207 **Show connection diagram：**
208
209
210 [[image:image-20220723170210-2.png||height="908" width="681"]]
211
212
213
214 (% style="color:blue" %)**1.  open Arduino IDE**
215
216
217 [[image:image-20220723170545-4.png]]
218
219
220
221 (% style="color:blue" %)**2.  Open project**
222
223
224 LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
225
226 [[image:image-20220726135239-1.png]]
227
228
229 (% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
230
231 [[image:image-20220726135356-2.png]]
232
233
234 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
235
236
237 [[image:image-20220723172235-7.png||height="480" width="1027"]]
238
239
240
241 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
242
243
244 (% style="color:blue" %)**1.  Open project**
245
246
247 Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
248
249
250 [[image:image-20220723172502-8.png]]
251
252
253
254 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
255
256
257 [[image:image-20220723172938-9.png||height="652" width="1050"]]
258
259
260
261 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
262
263
264 (% style="color:blue" %)**1.  Open project**
265
266
267 Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
268
269
270 [[image:image-20220723173341-10.png||height="581" width="1014"]]
271
272
273
274 (% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
275
276
277 [[image:image-20220723173950-11.png||height="665" width="1012"]]
278
279
280
281 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
282
283 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
284
285 [[image:image-20220723175700-12.png||height="602" width="995"]]
286
287
288
289 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
290
291
292 === 2.8.1  Items needed for update ===
293
294
295 1. LA66 LoRaWAN Shield
296 1. Arduino
297 1. USB TO TTL Adapter
298
299 [[image:image-20220602100052-2.png||height="385" width="600"]]
300
301
302 === 2.8.2  Connection ===
303
304
305 [[image:image-20220602101311-3.png||height="276" width="600"]]
306
307
308 (((
309 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
310 )))
311
312 (((
313 (% style="background-color:yellow" %)**GND  <-> GND
314 TXD  <->  TXD
315 RXD  <->  RXD**
316 )))
317
318
319 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
320
321 Connect USB TTL Adapter to PC after connecting the wires
322
323
324 [[image:image-20220602102240-4.png||height="304" width="600"]]
325
326
327 === 2.8.3  Upgrade steps ===
328
329
330 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
331
332
333 [[image:image-20220602102824-5.png||height="306" width="600"]]
334
335
336
337 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
338
339
340 [[image:image-20220602104701-12.png||height="285" width="600"]]
341
342
343
344 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
345
346
347 (((
348 (% 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/]]**
349 )))
350
351
352 [[image:image-20220602103227-6.png]]
353
354
355 [[image:image-20220602103357-7.png]]
356
357
358
359 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
360 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
361
362
363 [[image:image-20220602103844-8.png]]
364
365
366
367 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
368 (% style="color:blue" %)**3. Select the bin file to burn**
369
370
371 [[image:image-20220602104144-9.png]]
372
373
374 [[image:image-20220602104251-10.png]]
375
376
377 [[image:image-20220602104402-11.png]]
378
379
380
381 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
382 (% style="color:blue" %)**4. Click to start the download**
383
384 [[image:image-20220602104923-13.png]]
385
386
387
388 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
389 (% style="color:blue" %)**5. Check update process**
390
391
392 [[image:image-20220602104948-14.png]]
393
394
395
396 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
397 (% style="color:blue" %)**The following picture shows that the burning is successful**
398
399 [[image:image-20220602105251-15.png]]
400
401
402
403 = 3.  LA66 USB LoRaWAN Adapter =
404
405
406 == 3.1  Overview ==
407
408
409 [[image:image-20220715001142-3.png||height="145" width="220"]]
410
411
412 (((
413 (% 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.
414 )))
415
416 (((
417 (% 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.
418 )))
419
420 (((
421 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
422 )))
423
424 (((
425 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.
426 )))
427
428 (((
429 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
430 )))
431
432
433
434 == 3.2  Features ==
435
436 * LoRaWAN USB adapter base on LA66 LoRaWAN module
437 * Ultra-long RF range
438 * Support LoRaWAN v1.0.4 protocol
439 * Support peer-to-peer protocol
440 * TCXO crystal to ensure RF performance on low temperature
441 * Spring RF antenna
442 * Available in different frequency LoRaWAN frequency bands.
443 * World-wide unique OTAA keys.
444 * AT Command via UART-TTL interface
445 * Firmware upgradable via UART interface
446 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
447
448 == 3.3  Specification ==
449
450 * CPU: 32-bit 48 MHz
451 * Flash: 256KB
452 * RAM: 64KB
453 * Input Power Range: 5v
454 * Frequency Range: 150 MHz ~~ 960 MHz
455 * Maximum Power +22 dBm constant RF output
456 * High sensitivity: -148 dBm
457 * Temperature:
458 ** Storage: -55 ~~ +125℃
459 ** Operating: -40 ~~ +85℃
460 * Humidity:
461 ** Storage: 5 ~~ 95% (Non-Condensing)
462 ** Operating: 10 ~~ 95% (Non-Condensing)
463 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
464 * LoRa Rx current: <9 mA
465
466 == 3.4  Pin Mapping & LED ==
467
468
469
470 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
471
472
473 (((
474 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
475 )))
476
477
478 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
479
480
481 [[image:image-20220723100027-1.png]]
482
483
484 Open the serial port tool
485
486 [[image:image-20220602161617-8.png]]
487
488 [[image:image-20220602161718-9.png||height="457" width="800"]]
489
490
491
492 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
493
494 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
495
496
497 [[image:image-20220602161935-10.png||height="498" width="800"]]
498
499
500
501 (% style="color:blue" %)**3. See Uplink Command**
502
503 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
504
505 example: AT+SENDB=01,02,8,05820802581ea0a5
506
507 [[image:image-20220602162157-11.png||height="497" width="800"]]
508
509
510
511 (% style="color:blue" %)**4. Check to see if TTN received the message**
512
513 [[image:image-20220602162331-12.png||height="420" width="800"]]
514
515
516
517 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
518
519
520 **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]]
521
522 (**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
523
524 (% style="color:red" %)**Preconditions:**
525
526 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
527
528 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
529
530
531
532 (% style="color:blue" %)**Steps for usage:**
533
534 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
535
536 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
537
538 [[image:image-20220602115852-3.png||height="450" width="1187"]]
539
540
541
542 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
543
544
545 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
546
547
548 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
549
550 [[image:image-20220723100439-2.png]]
551
552
553
554 (% style="color:blue" %)**2. Install Minicom in RPi.**
555
556 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
557
558 (% style="background-color:yellow" %)**apt update**
559
560 (% style="background-color:yellow" %)**apt install minicom**
561
562
563 Use minicom to connect to the RPI's terminal
564
565 [[image:image-20220602153146-3.png||height="439" width="500"]]
566
567
568
569 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
570
571 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
572
573
574 [[image:image-20220602154928-5.png||height="436" width="500"]]
575
576
577
578 (% style="color:blue" %)**4. Send Uplink message**
579
580 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
581
582 example: AT+SENDB=01,02,8,05820802581ea0a5
583
584
585 [[image:image-20220602160339-6.png||height="517" width="600"]]
586
587
588
589 Check to see if TTN received the message
590
591 [[image:image-20220602160627-7.png||height="369" width="800"]]
592
593
594
595 == 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
596
597
598 === 3.8.1  DRAGINO-LA66-APP ===
599
600
601 [[image:image-20220723102027-3.png]]
602
603
604
605 ==== (% style="color:blue" %)**Overview：**(%%) ====
606
607
608 (((
609 DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
610 )))
611
612 (((
613 View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
614 )))
615
616
617
618 ==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
619
620
621 Requires a type-c to USB adapter
622
623 [[image:image-20220723104754-4.png]]
624
625
626
627 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
628
629
630 Function and page introduction
631
632 [[image:image-20220723113448-7.png||height="1481" width="670"]]
633
634
635 1.Display LA66 USB LoRaWAN Module connection status
636
637 2.Check and reconnect
638
639 3.Turn send timestamps on or off
640
641 4.Display LoRaWan connection status
642
643 5.Check LoRaWan connection status
644
645 6.The RSSI value of the node when the ACK is received
646
647 7.Node's Signal Strength Icon
648
649 8.Set the packet sending interval of the node in seconds
650
651 9.AT command input box
652
653 10.Send AT command button
654
655 11.Node log box
656
657 12.clear log button
658
659 13.exit button
660
661
662 LA66 USB LoRaWAN Module not connected
663
664 [[image:image-20220723110520-5.png||height="903" width="677"]]
665
666
667
668 Connect LA66 USB LoRaWAN Module
669
670 [[image:image-20220723110626-6.png||height="906" width="680"]]
671
672
673
674 === 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
675
676
677 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
678
679 [[image:image-20220723134549-8.png]]
680
681
682
683 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
684
685 Sample JSON file please go to this link to download：放置JSON文件的链接
686
687 For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
688
689 The following is the positioning effect map
690
691 [[image:image-20220723144339-1.png]]
692
693
694
695 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
696
697
698 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
699
700 Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
701
702 [[image:image-20220723150132-2.png]]
703
704
705
706 = 4.  Order Info =
707
708
709 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
710
711
712 (% style="color:blue" %)**XXX**(%%): The default frequency band
713
714 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
715 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
716 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
717 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
718 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
719 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
720 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
721 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
722 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
723
724
725
726
727 = 5.  Reference =
728
729
730 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]