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Wiki source code of LA66 LoRaWAN Module

Version 98.2 by Xiaoling on 2022/07/18 09:56
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Xiaoling 87.2 1
2
Xiaoling 87.13 3 **Table of Contents:**
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Edwin Chen 1.1 5 {{toc/}}
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Edwin Chen 6.1 8
Xiaoling 87.2 9 = 1.  LA66 LoRaWAN Module =
10
11
12 == 1.1  What is LA66 LoRaWAN Module ==
13
14
Xiaoling 87.15 15 (((
Edwin Chen 88.2 16 [[image:image-20220715000242-1.png||height="110" width="132"]]
17
Edwin Chen 65.1 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.
Xiaoling 87.15 19 )))
Edwin Chen 1.1 20
Xiaoling 87.15 21 (((
Edwin Chen 65.1 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.
Xiaoling 87.15 23 )))
Edwin Chen 1.1 24
Xiaoling 87.15 25 (((
Edwin Chen 65.1 26 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
Xiaoling 87.15 27 )))
Edwin Chen 1.1 28
Xiaoling 87.15 29 (((
Edwin Chen 65.1 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.
Xiaoling 87.15 31 )))
Edwin Chen 1.1 32
Xiaoling 87.15 33 (((
Edwin Chen 65.1 34 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
Xiaoling 87.15 35 )))
Edwin Chen 1.1 36
Edwin Chen 67.1 37
Xiaoling 87.2 38 == 1.2  Features ==
Edwin Chen 64.1 39
Edwin Chen 68.1 40 * Support LoRaWAN v1.0.4 protocol
41 * Support peer-to-peer protocol
42 * TCXO crystal to ensure RF performance on low temperature
43 * SMD Antenna pad and i-pex antenna connector
44 * Available in different frequency LoRaWAN frequency bands.
45 * World-wide unique OTAA keys.
Edwin Chen 69.1 46 * AT Command via UART-TTL interface
47 * Firmware upgradable via UART interface
48 * Ultra-long RF range
Edwin Chen 64.1 49
Xiaoling 87.2 50 == 1.3  Specification ==
51
Edwin Chen 68.1 52 * CPU: 32-bit 48 MHz
53 * Flash: 256KB
54 * RAM: 64KB
Edwin Chen 66.1 55 * Input Power Range: 1.8v ~~ 3.7v
56 * Power Consumption: < 4uA.
57 * Frequency Range: 150 MHz ~~ 960 MHz
58 * Maximum Power +22 dBm constant RF output
59 * High sensitivity: -148 dBm
60 * Temperature:
61 ** Storage: -55 ~~ +125℃
62 ** Operating: -40 ~~ +85℃
63 * Humidity:
64 ** Storage: 5 ~~ 95% (Non-Condensing)
65 ** Operating: 10 ~~ 95% (Non-Condensing)
66 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 * LoRa Rx current: <9 mA
68 * I/O Voltage: 3.3v
Edwin Chen 1.1 69
Xiaoling 93.2 70
Xiaoling 98.2 71
72
Xiaoling 87.2 73 == 1.4  AT Command ==
74
Xiaoling 98.2 75
Edwin Chen 66.1 76 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
Edwin Chen 1.1 77
Edwin Chen 3.1 78
Xiaoling 87.2 79 == 1.5  Dimension ==
Edwin Chen 3.1 80
Xiaoling 98.2 81 [[image:image-20220718094750-3.png]]
Edwin Chen 3.1 82
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Edwin Chen 5.1 84
Xiaoling 98.2 85
Xiaoling 87.2 86 == 1.6  Pin Mapping ==
87
88
Xiaoling 10.2 89 [[image:image-20220523101537-1.png]]
Edwin Chen 5.1 90
91
Xiaoling 87.2 92
93 == 1.7  Land Pattern ==
94
Edwin Chen 5.1 95 [[image:image-20220517072821-2.png]]
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97
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Xiaoling 87.2 99 = 2.  LA66 LoRaWAN Shield =
Edwin Chen 6.1 100
101
Xiaoling 87.2 102 == 2.1  Overview ==
103
Edwin Chen 90.1 104
105 [[image:image-20220715000826-2.png||height="386" width="449"]]
106
107
Edwin Chen 71.1 108 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.
109
Edwin Chen 90.1 110 (((
111 (% 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.
112 )))
Edwin Chen 71.1 113
Edwin Chen 90.1 114 (((
115 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
116 )))
117
118 (((
119 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.
120 )))
121
122 (((
123 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
124 )))
125
126
Xiaoling 87.2 127 == 2.2  Features ==
Edwin Chen 71.1 128
129 * Arduino Shield base on LA66 LoRaWAN module
130 * Support LoRaWAN v1.0.4 protocol
131 * Support peer-to-peer protocol
132 * TCXO crystal to ensure RF performance on low temperature
133 * SMA connector
134 * Available in different frequency LoRaWAN frequency bands.
135 * World-wide unique OTAA keys.
136 * AT Command via UART-TTL interface
137 * Firmware upgradable via UART interface
138 * Ultra-long RF range
139
Xiaoling 87.2 140 == 2.3  Specification ==
141
Edwin Chen 71.1 142 * CPU: 32-bit 48 MHz
143 * Flash: 256KB
144 * RAM: 64KB
145 * Input Power Range: 1.8v ~~ 3.7v
146 * Power Consumption: < 4uA.
147 * Frequency Range: 150 MHz ~~ 960 MHz
148 * Maximum Power +22 dBm constant RF output
149 * High sensitivity: -148 dBm
150 * Temperature:
151 ** Storage: -55 ~~ +125℃
152 ** Operating: -40 ~~ +85℃
153 * Humidity:
154 ** Storage: 5 ~~ 95% (Non-Condensing)
155 ** Operating: 10 ~~ 95% (Non-Condensing)
156 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
157 * LoRa Rx current: <9 mA
158 * I/O Voltage: 3.3v
159
Xiaoling 87.2 160 == 2.4  Pin Mapping & LED ==
Edwin Chen 11.1 161
162
163
Xiaoling 87.2 164 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
Edwin Chen 11.1 165
166
Xiaoling 87.2 167
168 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
169
170
171
172 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
173
174
175
176 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
177
178
179 === 2.8.1  Items needed for update ===
180
Edwin Chen 74.1 181 1. LA66 LoRaWAN Shield
182 1. Arduino
183 1. USB TO TTL Adapter
Edwin Chen 13.1 184
Edwin Chen 75.1 185 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 186
187
Xiaoling 87.2 188 === 2.8.2  Connection ===
Herong Lu 20.1 189
Xiaoling 87.2 190
Edwin Chen 75.1 191 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 192
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Xiaoling 87.17 194 (((
Xiaoling 87.2 195 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 196 )))
Xiaoling 87.2 197
Xiaoling 87.16 198 (((
Xiaoling 87.2 199 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 200 TXD  <->  TXD
201 RXD  <->  RXD**
Xiaoling 87.16 202 )))
Xiaoling 87.2 203
204
Edwin Chen 77.1 205 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 206
Edwin Chen 75.1 207 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 208
209
Edwin Chen 75.1 210 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 211
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Xiaoling 87.2 213 === 2.8.3  Upgrade steps ===
Herong Lu 20.1 214
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Xiaoling 87.2 216 ==== 1.  Switch SW1 to put in ISP position ====
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218
Edwin Chen 75.1 219 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 220
221
Xiaoling 87.9 222
Xiaoling 87.2 223 ==== 2.  Press the RST switch once ====
Herong Lu 32.1 224
Xiaoling 87.10 225
Edwin Chen 75.1 226 [[image:image-20220602104701-12.png||height="285" width="600"]]
Herong Lu 32.1 227
Edwin Chen 75.1 228
Xiaoling 87.9 229
Xiaoling 87.2 230 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
Edwin Chen 75.1 231
Herong Lu 39.1 232
Xiaoling 87.18 233 (((
Xiaoling 87.2 234 (% 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/]]**
Xiaoling 87.18 235 )))
Xiaoling 87.2 236
237
Herong Lu 32.1 238 [[image:image-20220602103227-6.png]]
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Xiaoling 87.2 240
Herong Lu 32.1 241 [[image:image-20220602103357-7.png]]
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Xiaoling 87.2 244
Edwin Chen 76.1 245 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 87.2 246 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 247
Xiaoling 87.2 248
Herong Lu 32.1 249 [[image:image-20220602103844-8.png]]
250
251
Xiaoling 87.2 252
Edwin Chen 76.1 253 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 87.2 254 (% style="color:blue" %)**3. Select the bin file to burn**
Edwin Chen 76.1 255
Xiaoling 87.2 256
Herong Lu 32.1 257 [[image:image-20220602104144-9.png]]
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Xiaoling 87.2 259
Herong Lu 32.1 260 [[image:image-20220602104251-10.png]]
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Xiaoling 87.2 262
Herong Lu 32.1 263 [[image:image-20220602104402-11.png]]
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Xiaoling 87.2 266
Edwin Chen 76.1 267 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 87.2 268 (% style="color:blue" %)**4. Click to start the download**
Edwin Chen 76.1 269
Herong Lu 32.1 270 [[image:image-20220602104923-13.png]]
271
272
Xiaoling 87.10 273
Edwin Chen 76.1 274 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 87.2 275 (% style="color:blue" %)**5. Check update process**
Edwin Chen 76.1 276
Xiaoling 87.2 277
Herong Lu 32.1 278 [[image:image-20220602104948-14.png]]
279
280
Xiaoling 87.2 281
Edwin Chen 76.1 282 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 283 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 284
Herong Lu 32.1 285 [[image:image-20220602105251-15.png]]
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Edwin Chen 72.1 287
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Xiaoling 87.2 289 = 3.  LA66 USB LoRaWAN Adapter =
Edwin Chen 6.1 290
Edwin Chen 7.1 291
Xiaoling 87.2 292 == 3.1  Overview ==
293
Edwin Chen 93.1 294 [[image:image-20220715001142-3.png||height="145" width="220"]]
295
Edwin Chen 91.1 296 (% 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.
Herong Lu 52.1 297
Edwin Chen 90.1 298 (% 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.
Edwin Chen 73.1 299
Edwin Chen 90.1 300 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
301
302 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.
303
304 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
305
306
Xiaoling 87.2 307 == 3.2  Features ==
Edwin Chen 73.1 308
309 * LoRaWAN USB adapter base on LA66 LoRaWAN module
310 * Ultra-long RF range
311 * Support LoRaWAN v1.0.4 protocol
312 * Support peer-to-peer protocol
313 * TCXO crystal to ensure RF performance on low temperature
314 * Spring RF antenna
315 * Available in different frequency LoRaWAN frequency bands.
316 * World-wide unique OTAA keys.
317 * AT Command via UART-TTL interface
318 * Firmware upgradable via UART interface
Xiaoling 93.3 319 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 320
Xiaoling 87.3 321 == 3.3  Specification ==
Edwin Chen 73.1 322
323 * CPU: 32-bit 48 MHz
324 * Flash: 256KB
325 * RAM: 64KB
326 * Input Power Range: 5v
327 * Frequency Range: 150 MHz ~~ 960 MHz
328 * Maximum Power +22 dBm constant RF output
329 * High sensitivity: -148 dBm
330 * Temperature:
331 ** Storage: -55 ~~ +125℃
332 ** Operating: -40 ~~ +85℃
333 * Humidity:
334 ** Storage: 5 ~~ 95% (Non-Condensing)
335 ** Operating: 10 ~~ 95% (Non-Condensing)
336 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
337 * LoRa Rx current: <9 mA
338
Xiaoling 87.3 339 == 3.4  Pin Mapping & LED ==
Edwin Chen 7.1 340
341
Xiaoling 87.3 342
343 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
344
345
Edwin Chen 78.2 346 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Herong Lu 58.1 347
348
Xiaoling 87.3 349 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
350
351
Edwin Chen 78.2 352 [[image:image-20220602171217-1.png||height="538" width="800"]]
353
Xiaoling 87.3 354
Herong Lu 58.1 355 Open the serial port tool
356
357 [[image:image-20220602161617-8.png]]
358
Edwin Chen 78.2 359 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 360
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Xiaoling 87.3 363 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
364
Edwin Chen 78.2 365 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 366
Xiaoling 87.3 367
Edwin Chen 78.2 368 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 369
Edwin Chen 78.2 370
371
Xiaoling 87.3 372 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 373
Xiaoling 87.3 374 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
375
Herong Lu 58.1 376 example: AT+SENDB=01,02,8,05820802581ea0a5
377
Edwin Chen 78.2 378 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 379
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Xiaoling 87.3 382 (% style="color:blue" %)**4. Check to see if TTN received the message**
383
Edwin Chen 78.2 384 [[image:image-20220602162331-12.png||height="420" width="800"]]
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Xiaoling 87.3 388 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 389
Xiaoling 87.3 390
Edwin Chen 87.1 391 **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]]
Edwin Chen 81.1 392
393
Xiaoling 87.3 394 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 395
Xiaoling 87.3 396 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 397
Xiaoling 87.3 398 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 399
400
401
Xiaoling 87.3 402 (% style="color:blue" %)**Steps for usage:**
403
404 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
405
406 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
407
Edwin Chen 81.1 408 [[image:image-20220602115852-3.png||height="450" width="1187"]]
409
410
411
Xiaoling 87.4 412 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 413
Xiaoling 87.4 414
Edwin Chen 79.1 415 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 416
Edwin Chen 79.1 417
Xiaoling 87.5 418 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 419
Edwin Chen 78.2 420 [[image:image-20220602171233-2.png||height="538" width="800"]]
Herong Lu 43.1 421
Herong Lu 52.1 422
423
Xiaoling 87.4 424 (% style="color:blue" %)**2. Install Minicom in RPi.**
425
Edwin Chen 79.1 426 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 427
Xiaoling 87.4 428 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 429
Xiaoling 87.4 430 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 431
432
Edwin Chen 79.1 433 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 434
Edwin Chen 79.1 435 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 436
437
Xiaoling 87.4 438
Xiaoling 87.11 439 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 440
Xiaoling 87.11 441 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
442
443
Edwin Chen 79.1 444 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 445
446
447
Xiaoling 87.4 448 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 449
Xiaoling 87.5 450 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 451
Edwin Chen 79.1 452 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 453
Xiaoling 87.4 454
Edwin Chen 79.1 455 [[image:image-20220602160339-6.png||height="517" width="600"]]
456
Xiaoling 87.4 457
458
Edwin Chen 79.1 459 Check to see if TTN received the message
460
461 [[image:image-20220602160627-7.png||height="369" width="800"]]
462
463
464
Xiaoling 87.4 465 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
Edwin Chen 11.1 466
Edwin Chen 13.1 467
Herong Lu 63.1 468
Xiaoling 87.4 469 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 470
471
472
473
Xiaoling 87.4 474 = 4.  Order Info =
Edwin Chen 73.1 475
Xiaoling 87.4 476
Xiaoling 87.5 477 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 478
479
Xiaoling 87.5 480 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 481
Xiaoling 87.5 482 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
483 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
484 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
485 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
486 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
487 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
488 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
489 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
490 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 491
Xiaoling 87.4 492 = 5.  Reference =
493
Edwin Chen 78.1 494 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
495
Edwin Chen 90.1 496