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Wiki source code of LA66 LoRaWAN Module

Version 93.1 by Edwin Chen on 2022/07/15 00:12
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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"]]
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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 87.2 70 == 1.4  AT Command ==
71
Edwin Chen 66.1 72 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 73
Edwin Chen 3.1 74
Xiaoling 87.2 75 == 1.5  Dimension ==
Edwin Chen 3.1 76
Edwin Chen 66.1 77 [[image:image-20220517072526-1.png]]
Edwin Chen 3.1 78
79
Edwin Chen 5.1 80
Xiaoling 87.2 81 == 1.6  Pin Mapping ==
82
83
Xiaoling 10.2 84 [[image:image-20220523101537-1.png]]
Edwin Chen 5.1 85
86
Xiaoling 87.2 87
88 == 1.7  Land Pattern ==
89
Edwin Chen 5.1 90 [[image:image-20220517072821-2.png]]
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Xiaoling 87.2 94 = 2.  LA66 LoRaWAN Shield =
Edwin Chen 6.1 95
96
Xiaoling 87.2 97 == 2.1  Overview ==
98
Edwin Chen 90.1 99
100 [[image:image-20220715000826-2.png||height="386" width="449"]]
101
102
Edwin Chen 71.1 103 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.
104
Edwin Chen 90.1 105 (((
106 (% 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.
107 )))
Edwin Chen 71.1 108
Edwin Chen 90.1 109 (((
110 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111 )))
112
113 (((
114 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.
115 )))
116
117 (((
118 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119 )))
120
121
Xiaoling 87.2 122 == 2.2  Features ==
Edwin Chen 71.1 123
124 * Arduino Shield base on LA66 LoRaWAN module
125 * Support LoRaWAN v1.0.4 protocol
126 * Support peer-to-peer protocol
127 * TCXO crystal to ensure RF performance on low temperature
128 * SMA connector
129 * Available in different frequency LoRaWAN frequency bands.
130 * World-wide unique OTAA keys.
131 * AT Command via UART-TTL interface
132 * Firmware upgradable via UART interface
133 * Ultra-long RF range
134
Xiaoling 87.2 135 == 2.3  Specification ==
136
Edwin Chen 71.1 137 * CPU: 32-bit 48 MHz
138 * Flash: 256KB
139 * RAM: 64KB
140 * Input Power Range: 1.8v ~~ 3.7v
141 * Power Consumption: < 4uA.
142 * Frequency Range: 150 MHz ~~ 960 MHz
143 * Maximum Power +22 dBm constant RF output
144 * High sensitivity: -148 dBm
145 * Temperature:
146 ** Storage: -55 ~~ +125℃
147 ** Operating: -40 ~~ +85℃
148 * Humidity:
149 ** Storage: 5 ~~ 95% (Non-Condensing)
150 ** Operating: 10 ~~ 95% (Non-Condensing)
151 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
152 * LoRa Rx current: <9 mA
153 * I/O Voltage: 3.3v
154
Xiaoling 87.2 155 == 2.4  Pin Mapping & LED ==
Edwin Chen 11.1 156
157
158
Xiaoling 87.2 159 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
Edwin Chen 11.1 160
161
Xiaoling 87.2 162
163 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
164
165
166
167 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
168
169
170
171 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
172
173
174 === 2.8.1  Items needed for update ===
175
Edwin Chen 74.1 176 1. LA66 LoRaWAN Shield
177 1. Arduino
178 1. USB TO TTL Adapter
Edwin Chen 13.1 179
Edwin Chen 75.1 180 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 181
182
Xiaoling 87.2 183 === 2.8.2  Connection ===
Herong Lu 20.1 184
Xiaoling 87.2 185
Edwin Chen 75.1 186 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 187
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Xiaoling 87.17 189 (((
Xiaoling 87.2 190 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 191 )))
Xiaoling 87.2 192
Xiaoling 87.16 193 (((
Xiaoling 87.2 194 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 195 TXD  <->  TXD
196 RXD  <->  RXD**
Xiaoling 87.16 197 )))
Xiaoling 87.2 198
199
Edwin Chen 77.1 200 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 201
Edwin Chen 75.1 202 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 203
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Edwin Chen 75.1 205 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 206
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Xiaoling 87.2 208 === 2.8.3  Upgrade steps ===
Herong Lu 20.1 209
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Xiaoling 87.2 211 ==== 1.  Switch SW1 to put in ISP position ====
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Edwin Chen 75.1 214 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 215
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Xiaoling 87.9 217
Xiaoling 87.2 218 ==== 2.  Press the RST switch once ====
Herong Lu 32.1 219
Xiaoling 87.10 220
Edwin Chen 75.1 221 [[image:image-20220602104701-12.png||height="285" width="600"]]
Herong Lu 32.1 222
Edwin Chen 75.1 223
Xiaoling 87.9 224
Xiaoling 87.2 225 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
Edwin Chen 75.1 226
Herong Lu 39.1 227
Xiaoling 87.18 228 (((
Xiaoling 87.2 229 (% 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 87.18 230 )))
Xiaoling 87.2 231
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Herong Lu 32.1 233 [[image:image-20220602103227-6.png]]
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Xiaoling 87.2 235
Herong Lu 32.1 236 [[image:image-20220602103357-7.png]]
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Xiaoling 87.2 239
Edwin Chen 76.1 240 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 87.2 241 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 242
Xiaoling 87.2 243
Herong Lu 32.1 244 [[image:image-20220602103844-8.png]]
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Xiaoling 87.2 247
Edwin Chen 76.1 248 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 87.2 249 (% style="color:blue" %)**3. Select the bin file to burn**
Edwin Chen 76.1 250
Xiaoling 87.2 251
Herong Lu 32.1 252 [[image:image-20220602104144-9.png]]
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Xiaoling 87.2 254
Herong Lu 32.1 255 [[image:image-20220602104251-10.png]]
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Xiaoling 87.2 257
Herong Lu 32.1 258 [[image:image-20220602104402-11.png]]
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Xiaoling 87.2 261
Edwin Chen 76.1 262 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 87.2 263 (% style="color:blue" %)**4. Click to start the download**
Edwin Chen 76.1 264
Herong Lu 32.1 265 [[image:image-20220602104923-13.png]]
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267
Xiaoling 87.10 268
Edwin Chen 76.1 269 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 87.2 270 (% style="color:blue" %)**5. Check update process**
Edwin Chen 76.1 271
Xiaoling 87.2 272
Herong Lu 32.1 273 [[image:image-20220602104948-14.png]]
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Xiaoling 87.2 276
Edwin Chen 76.1 277 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 278 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 279
Herong Lu 32.1 280 [[image:image-20220602105251-15.png]]
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Edwin Chen 72.1 282
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Xiaoling 87.2 284 = 3.  LA66 USB LoRaWAN Adapter =
Edwin Chen 6.1 285
Edwin Chen 7.1 286
Xiaoling 87.2 287 == 3.1  Overview ==
288
Edwin Chen 93.1 289 [[image:image-20220715001142-3.png||height="145" width="220"]]
290
Edwin Chen 91.1 291 (% 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 52.1 292
Edwin Chen 90.1 293 (% 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 73.1 294
Edwin Chen 90.1 295 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
296
297 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.
298
299 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
300
301
Xiaoling 87.2 302 == 3.2  Features ==
Edwin Chen 73.1 303
304 * LoRaWAN USB adapter base on LA66 LoRaWAN module
305 * Ultra-long RF range
306 * Support LoRaWAN v1.0.4 protocol
307 * Support peer-to-peer protocol
308 * TCXO crystal to ensure RF performance on low temperature
309 * Spring RF antenna
310 * Available in different frequency LoRaWAN frequency bands.
311 * World-wide unique OTAA keys.
312 * AT Command via UART-TTL interface
313 * Firmware upgradable via UART interface
314
Xiaoling 87.3 315 == 3.3  Specification ==
Edwin Chen 73.1 316
317 * CPU: 32-bit 48 MHz
318 * Flash: 256KB
319 * RAM: 64KB
320 * Input Power Range: 5v
321 * Frequency Range: 150 MHz ~~ 960 MHz
322 * Maximum Power +22 dBm constant RF output
323 * High sensitivity: -148 dBm
324 * Temperature:
325 ** Storage: -55 ~~ +125℃
326 ** Operating: -40 ~~ +85℃
327 * Humidity:
328 ** Storage: 5 ~~ 95% (Non-Condensing)
329 ** Operating: 10 ~~ 95% (Non-Condensing)
330 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
331 * LoRa Rx current: <9 mA
332
Xiaoling 87.3 333 == 3.4  Pin Mapping & LED ==
Edwin Chen 7.1 334
335
Xiaoling 87.3 336
337 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
338
339
Edwin Chen 78.2 340 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Herong Lu 58.1 341
342
Xiaoling 87.3 343 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
344
345
Edwin Chen 78.2 346 [[image:image-20220602171217-1.png||height="538" width="800"]]
347
Xiaoling 87.3 348
Herong Lu 58.1 349 Open the serial port tool
350
351 [[image:image-20220602161617-8.png]]
352
Edwin Chen 78.2 353 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 354
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Xiaoling 87.3 357 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
358
Edwin Chen 78.2 359 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 360
Xiaoling 87.3 361
Edwin Chen 78.2 362 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 363
Edwin Chen 78.2 364
365
Xiaoling 87.3 366 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 367
Xiaoling 87.3 368 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
369
Herong Lu 58.1 370 example: AT+SENDB=01,02,8,05820802581ea0a5
371
Edwin Chen 78.2 372 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 373
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Xiaoling 87.3 376 (% style="color:blue" %)**4. Check to see if TTN received the message**
377
Edwin Chen 78.2 378 [[image:image-20220602162331-12.png||height="420" width="800"]]
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Xiaoling 87.3 382 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 383
Xiaoling 87.3 384
Edwin Chen 87.1 385 **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 81.1 386
387
Xiaoling 87.3 388 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 389
Xiaoling 87.3 390 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 391
Xiaoling 87.3 392 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 393
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Xiaoling 87.3 396 (% style="color:blue" %)**Steps for usage:**
397
398 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
399
400 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
401
Edwin Chen 81.1 402 [[image:image-20220602115852-3.png||height="450" width="1187"]]
403
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Xiaoling 87.4 406 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 407
Xiaoling 87.4 408
Edwin Chen 79.1 409 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 410
Edwin Chen 79.1 411
Xiaoling 87.5 412 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 413
Edwin Chen 78.2 414 [[image:image-20220602171233-2.png||height="538" width="800"]]
Herong Lu 43.1 415
Herong Lu 52.1 416
417
Xiaoling 87.4 418 (% style="color:blue" %)**2. Install Minicom in RPi.**
419
Edwin Chen 79.1 420 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 421
Xiaoling 87.4 422 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 423
Xiaoling 87.4 424 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 425
426
Edwin Chen 79.1 427 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 428
Edwin Chen 79.1 429 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 430
431
Xiaoling 87.4 432
Xiaoling 87.11 433 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 434
Xiaoling 87.11 435 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
436
437
Edwin Chen 79.1 438 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 439
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441
Xiaoling 87.4 442 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 443
Xiaoling 87.5 444 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 445
Edwin Chen 79.1 446 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 447
Xiaoling 87.4 448
Edwin Chen 79.1 449 [[image:image-20220602160339-6.png||height="517" width="600"]]
450
Xiaoling 87.4 451
452
Edwin Chen 79.1 453 Check to see if TTN received the message
454
455 [[image:image-20220602160627-7.png||height="369" width="800"]]
456
457
458
Xiaoling 87.4 459 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
Edwin Chen 11.1 460
Edwin Chen 13.1 461
Herong Lu 63.1 462
Xiaoling 87.4 463 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 464
465
466
467
Xiaoling 87.4 468 = 4.  Order Info =
Edwin Chen 73.1 469
Xiaoling 87.4 470
Xiaoling 87.5 471 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 472
473
Xiaoling 87.5 474 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 475
Xiaoling 87.5 476 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
477 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
478 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
479 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
480 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
481 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
482 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
483 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
484 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 485
Xiaoling 87.4 486 = 5.  Reference =
487
Edwin Chen 78.1 488 * 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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Edwin Chen 90.1 490