Wiki source code of LA66 LoRaWAN Module

Version 134.12 by Xiaoling on 2022/07/26 10:50
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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
68 == 1.3  Specification ==
69
70 * CPU: 32-bit 48 MHz
71 * Flash: 256KB
72 * RAM: 64KB
73 * Input Power Range: 1.8v ~~ 3.7v
74 * Power Consumption: < 4uA.
75 * Frequency Range: 150 MHz ~~ 960 MHz
76 * Maximum Power +22 dBm constant RF output
77 * High sensitivity: -148 dBm
78 * Temperature:
79 ** Storage: -55 ~~ +125℃
80 ** Operating: -40 ~~ +85℃
81 * Humidity:
82 ** Storage: 5 ~~ 95% (Non-Condensing)
83 ** Operating: 10 ~~ 95% (Non-Condensing)
84 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
85 * LoRa Rx current: <9 mA
86 * I/O Voltage: 3.3v
87
88
89
90
91 == 1.4  AT Command ==
92
93
94 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
95
96
97
98 == 1.5  Dimension ==
99
100 [[image:image-20220718094750-3.png]]
101
102
103
104 == 1.6  Pin Mapping ==
105
106 [[image:image-20220720111850-1.png]]
107
108
109
110 == 1.7  Land Pattern ==
111
112 [[image:image-20220517072821-2.png]]
113
114
115
116 = 2.  LA66 LoRaWAN Shield =
117
118
119 == 2.1  Overview ==
120
121
122 (((
123 [[image:image-20220715000826-2.png||height="145" width="220"]]
124 )))
125
126 (((
127
128 )))
129
130 (((
131 (% 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.
132 )))
133
134 (((
135 (((
136 (% 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.
137 )))
138 )))
139
140 (((
141 (((
142 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
143 )))
144 )))
145
146 (((
147 (((
148 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.
149 )))
150 )))
151
152 (((
153 (((
154 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
155 )))
156 )))
157
158
159
160 == 2.2  Features ==
161
162 * Arduino Shield base on LA66 LoRaWAN module
163 * Support LoRaWAN v1.0.4 protocol
164 * Support peer-to-peer protocol
165 * TCXO crystal to ensure RF performance on low temperature
166 * SMA connector
167 * Available in different frequency LoRaWAN frequency bands.
168 * World-wide unique OTAA keys.
169 * AT Command via UART-TTL interface
170 * Firmware upgradable via UART interface
171 * Ultra-long RF range
172
173
174
175
176 == 2.3  Specification ==
177
178 * CPU: 32-bit 48 MHz
179 * Flash: 256KB
180 * RAM: 64KB
181 * Input Power Range: 1.8v ~~ 3.7v
182 * Power Consumption: < 4uA.
183 * Frequency Range: 150 MHz ~~ 960 MHz
184 * Maximum Power +22 dBm constant RF output
185 * High sensitivity: -148 dBm
186 * Temperature:
187 ** Storage: -55 ~~ +125℃
188 ** Operating: -40 ~~ +85℃
189 * Humidity:
190 ** Storage: 5 ~~ 95% (Non-Condensing)
191 ** Operating: 10 ~~ 95% (Non-Condensing)
192 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
193 * LoRa Rx current: <9 mA
194 * I/O Voltage: 3.3v
195
196
197
198
199 == 2.4  LED ==
200
201
202 ~1. The LED lights up red when there is an upstream data packet
203 2. When the network is successfully connected, the green light will be on for 5 seconds
204 3. Purple light on when receiving downlink data packets
205
206
207
208 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
209
210
211 **Show connection diagram：**
212
213
214 [[image:image-20220723170210-2.png||height="908" width="681"]]
215
216
217
218 (% style="color:blue" %)**1.  open Arduino IDE**
219
220
221 [[image:image-20220723170545-4.png]]
222
223
224
225 (% style="color:blue" %)**2.  Open project**
226
227
228 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]]
229
230
231
232 (% 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**
233
234
235
236 (% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
237
238
239 [[image:image-20220723172235-7.png||height="480" width="1027"]]
240
241
242
243 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
244
245
246 (% style="color:blue" %)**1.  Open project**
247
248
249 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]]
250
251
252 [[image:image-20220723172502-8.png]]
253
254
255
256 (% 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**
257
258
259 [[image:image-20220723172938-9.png||height="652" width="1050"]]
260
261
262
263 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
264
265
266 (% style="color:blue" %)**1.  Open project**
267
268
269 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]]
270
271
272 [[image:image-20220723173341-10.png||height="581" width="1014"]]
273
274
275
276 (% 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**
277
278
279 [[image:image-20220723173950-11.png||height="665" width="1012"]]
280
281
282
283 (% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
284
285 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/]]
286
287 [[image:image-20220723175700-12.png||height="602" width="995"]]
288
289
290
291 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
292
293
294 === 2.8.1  Items needed for update ===
295
296
297 1. LA66 LoRaWAN Shield
298 1. Arduino
299 1. USB TO TTL Adapter
300
301 [[image:image-20220602100052-2.png||height="385" width="600"]]
302
303
304 === 2.8.2  Connection ===
305
306
307 [[image:image-20220602101311-3.png||height="276" width="600"]]
308
309
310 (((
311 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
312 )))
313
314 (((
315 (% style="background-color:yellow" %)**GND  <-> GND
316 TXD  <->  TXD
317 RXD  <->  RXD**
318 )))
319
320
321 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
322
323 Connect USB TTL Adapter to PC after connecting the wires
324
325
326 [[image:image-20220602102240-4.png||height="304" width="600"]]
327
328
329 === 2.8.3  Upgrade steps ===
330
331
332 ==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
333
334
335 [[image:image-20220602102824-5.png||height="306" width="600"]]
336
337
338
339 ==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
340
341
342 [[image:image-20220602104701-12.png||height="285" width="600"]]
343
344
345
346 ==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
347
348
349 (((
350 (% 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/]]**
351 )))
352
353
354 [[image:image-20220602103227-6.png]]
355
356
357 [[image:image-20220602103357-7.png]]
358
359
360
361 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
362 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
363
364
365 [[image:image-20220602103844-8.png]]
366
367
368
369 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
370 (% style="color:blue" %)**3. Select the bin file to burn**
371
372
373 [[image:image-20220602104144-9.png]]
374
375
376 [[image:image-20220602104251-10.png]]
377
378
379 [[image:image-20220602104402-11.png]]
380
381
382
383 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
384 (% style="color:blue" %)**4. Click to start the download**
385
386 [[image:image-20220602104923-13.png]]
387
388
389
390 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
391 (% style="color:blue" %)**5. Check update process**
392
393
394 [[image:image-20220602104948-14.png]]
395
396
397
398 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
399 (% style="color:blue" %)**The following picture shows that the burning is successful**
400
401 [[image:image-20220602105251-15.png]]
402
403
404
405 = 3.  LA66 USB LoRaWAN Adapter =
406
407
408 == 3.1  Overview ==
409
410
411 [[image:image-20220715001142-3.png||height="145" width="220"]]
412
413
414 (((
415 (% 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.
416 )))
417
418 (((
419 (% 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.
420 )))
421
422 (((
423 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
424 )))
425
426 (((
427 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.
428 )))
429
430 (((
431 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
432 )))
433
434
435
436 == 3.2  Features ==
437
438 * LoRaWAN USB adapter base on LA66 LoRaWAN module
439 * Ultra-long RF range
440 * Support LoRaWAN v1.0.4 protocol
441 * Support peer-to-peer protocol
442 * TCXO crystal to ensure RF performance on low temperature
443 * Spring RF antenna
444 * Available in different frequency LoRaWAN frequency bands.
445 * World-wide unique OTAA keys.
446 * AT Command via UART-TTL interface
447 * Firmware upgradable via UART interface
448 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
449
450
451 == 3.3  Specification ==
452
453 * CPU: 32-bit 48 MHz
454 * Flash: 256KB
455 * RAM: 64KB
456 * Input Power Range: 5v
457 * Frequency Range: 150 MHz ~~ 960 MHz
458 * Maximum Power +22 dBm constant RF output
459 * High sensitivity: -148 dBm
460 * Temperature:
461 ** Storage: -55 ~~ +125℃
462 ** Operating: -40 ~~ +85℃
463 * Humidity:
464 ** Storage: 5 ~~ 95% (Non-Condensing)
465 ** Operating: 10 ~~ 95% (Non-Condensing)
466 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
467 * LoRa Rx current: <9 mA
468
469
470 == 3.4  Pin Mapping & LED ==
471
472
473
474 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
475
476
477 (((
478 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
479 )))
480
481
482 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
483
484
485 [[image:image-20220723100027-1.png]]
486
487
488 Open the serial port tool
489
490 [[image:image-20220602161617-8.png]]
491
492 [[image:image-20220602161718-9.png||height="457" width="800"]]
493
494
495
496 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
497
498 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
499
500
501 [[image:image-20220602161935-10.png||height="498" width="800"]]
502
503
504
505 (% style="color:blue" %)**3. See Uplink Command**
506
507 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
508
509 example: AT+SENDB=01,02,8,05820802581ea0a5
510
511 [[image:image-20220602162157-11.png||height="497" width="800"]]
512
513
514
515 (% style="color:blue" %)**4. Check to see if TTN received the message**
516
517 [[image:image-20220602162331-12.png||height="420" width="800"]]
518
519
520
521 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
522
523
524 **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]]
525
526 (**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]])
527
528 (% style="color:red" %)**Preconditions:**
529
530 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
531
532 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
533
534
535
536 (% style="color:blue" %)**Steps for usage:**
537
538 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
539
540 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
541
542 [[image:image-20220602115852-3.png||height="450" width="1187"]]
543
544
545
546 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
547
548
549 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
550
551
552 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
553
554 [[image:image-20220723100439-2.png]]
555
556
557
558 (% style="color:blue" %)**2. Install Minicom in RPi.**
559
560 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
561
562 (% style="background-color:yellow" %)**apt update**
563
564 (% style="background-color:yellow" %)**apt install minicom**
565
566
567 Use minicom to connect to the RPI's terminal
568
569 [[image:image-20220602153146-3.png||height="439" width="500"]]
570
571
572
573 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
574
575 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
576
577
578 [[image:image-20220602154928-5.png||height="436" width="500"]]
579
580
581
582 (% style="color:blue" %)**4. Send Uplink message**
583
584 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
585
586 example: AT+SENDB=01,02,8,05820802581ea0a5
587
588
589 [[image:image-20220602160339-6.png||height="517" width="600"]]
590
591
592
593 Check to see if TTN received the message
594
595 [[image:image-20220602160627-7.png||height="369" width="800"]]
596
597
598
599 == 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
600
601
602 === 3.8.1  DRAGINO-LA66-APP ===
603
604
605 [[image:image-20220723102027-3.png]]
606
607
608
609 ==== (% style="color:blue" %)**Overview：**(%%) ====
610
611
612 (((
613 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.
614 )))
615
616 (((
617 View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
618 )))
619
620
621
622 ==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
623
624
625 Requires a type-c to USB adapter
626
627 [[image:image-20220723104754-4.png]]
628
629
630
631 ==== (% style="color:blue" %)**Use of APP:**(%%) ====
632
633
634 Function and page introduction
635
636 [[image:image-20220723113448-7.png||height="1481" width="670"]]
637
638
639 1.Display LA66 USB LoRaWAN Module connection status
640
641 2.Check and reconnect
642
643 3.Turn send timestamps on or off
644
645 4.Display LoRaWan connection status
646
647 5.Check LoRaWan connection status
648
649 6.The RSSI value of the node when the ACK is received
650
651 7.Node's Signal Strength Icon
652
653 8.Set the packet sending interval of the node in seconds
654
655 9.AT command input box
656
657 10.Send AT command button
658
659 11.Node log box
660
661 12.clear log button
662
663 13.exit button
664
665
666 LA66 USB LoRaWAN Module not connected
667
668 [[image:image-20220723110520-5.png||height="903" width="677"]]
669
670
671
672 Connect LA66 USB LoRaWAN Module
673
674 [[image:image-20220723110626-6.png||height="906" width="680"]]
675
676
677
678 === 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 ===
679
680
681 (% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
682
683 [[image:image-20220723134549-8.png]]
684
685
686
687 (% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
688
689 Sample JSON file please go to this link to download：放置JSON文件的链接
690
691 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/]]
692
693 The following is the positioning effect map
694
695 [[image:image-20220723144339-1.png]]
696
697
698
699 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
700
701
702 The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
703
704 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)
705
706 [[image:image-20220723150132-2.png]]
707
708
709
710 = 4.  Order Info =
711
712
713 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
714
715
716 (% style="color:blue" %)**XXX**(%%): The default frequency band
717
718 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
719 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
720 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
721 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
722 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
723 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
724 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
725 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
726 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
727
728
729
730
731
732 = 5.  Reference =
733
734
735 * 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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