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Wiki source code of LA66 LoRaWAN Module

Version 92.1 by Edwin Chen on 2022/07/15 00:11
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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 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
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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"]]
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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
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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
Xiaoling 87.14 180
Edwin Chen 75.1 181 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 182
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Xiaoling 87.2 184 === 2.8.2  Connection ===
Herong Lu 20.1 185
Xiaoling 87.2 186
Edwin Chen 75.1 187 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 188
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Xiaoling 87.17 190 (((
Xiaoling 87.2 191 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 192 )))
Xiaoling 87.2 193
Xiaoling 87.16 194 (((
Xiaoling 87.2 195 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 196 TXD  <->  TXD
197 RXD  <->  RXD**
Xiaoling 87.16 198 )))
Xiaoling 87.2 199
200
Edwin Chen 77.1 201 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 202
Edwin Chen 75.1 203 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 204
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Edwin Chen 75.1 206 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 207
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Xiaoling 87.2 209 === 2.8.3  Upgrade steps ===
Herong Lu 20.1 210
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Xiaoling 87.2 212 ==== 1.  Switch SW1 to put in ISP position ====
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Edwin Chen 75.1 215 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 216
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Xiaoling 87.9 218
Xiaoling 87.2 219 ==== 2.  Press the RST switch once ====
Herong Lu 32.1 220
Xiaoling 87.10 221
Edwin Chen 75.1 222 [[image:image-20220602104701-12.png||height="285" width="600"]]
Herong Lu 32.1 223
Edwin Chen 75.1 224
Xiaoling 87.9 225
Xiaoling 87.2 226 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
Edwin Chen 75.1 227
Herong Lu 39.1 228
Xiaoling 87.18 229 (((
Xiaoling 87.2 230 (% 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 87.18 231 )))
Xiaoling 87.2 232
233
Herong Lu 32.1 234 [[image:image-20220602103227-6.png]]
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Xiaoling 87.2 236
Herong Lu 32.1 237 [[image:image-20220602103357-7.png]]
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Xiaoling 87.2 240
Edwin Chen 76.1 241 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 87.2 242 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 243
Xiaoling 87.2 244
Herong Lu 32.1 245 [[image:image-20220602103844-8.png]]
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Xiaoling 87.2 248
Edwin Chen 76.1 249 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 87.2 250 (% style="color:blue" %)**3. Select the bin file to burn**
Edwin Chen 76.1 251
Xiaoling 87.2 252
Herong Lu 32.1 253 [[image:image-20220602104144-9.png]]
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Xiaoling 87.2 255
Herong Lu 32.1 256 [[image:image-20220602104251-10.png]]
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Xiaoling 87.2 258
Herong Lu 32.1 259 [[image:image-20220602104402-11.png]]
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Xiaoling 87.2 262
Edwin Chen 76.1 263 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 87.2 264 (% style="color:blue" %)**4. Click to start the download**
Edwin Chen 76.1 265
Herong Lu 32.1 266 [[image:image-20220602104923-13.png]]
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268
Xiaoling 87.10 269
Edwin Chen 76.1 270 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 87.2 271 (% style="color:blue" %)**5. Check update process**
Edwin Chen 76.1 272
Xiaoling 87.2 273
Herong Lu 32.1 274 [[image:image-20220602104948-14.png]]
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Xiaoling 87.2 277
Edwin Chen 76.1 278 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 279 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 280
Herong Lu 32.1 281 [[image:image-20220602105251-15.png]]
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Edwin Chen 72.1 283
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Xiaoling 87.2 285 = 3.  LA66 USB LoRaWAN Adapter =
Edwin Chen 6.1 286
Edwin Chen 7.1 287
Xiaoling 87.2 288 == 3.1  Overview ==
289
Edwin Chen 91.1 290 (% 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 52.1 291
Edwin Chen 90.1 292 (% 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 73.1 293
Edwin Chen 90.1 294 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
295
296 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.
297
298 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
299
300
Xiaoling 87.2 301 == 3.2  Features ==
Edwin Chen 73.1 302
303 * LoRaWAN USB adapter base on LA66 LoRaWAN module
304 * Ultra-long RF range
305 * Support LoRaWAN v1.0.4 protocol
306 * Support peer-to-peer protocol
307 * TCXO crystal to ensure RF performance on low temperature
308 * Spring RF antenna
309 * Available in different frequency LoRaWAN frequency bands.
310 * World-wide unique OTAA keys.
311 * AT Command via UART-TTL interface
312 * Firmware upgradable via UART interface
313
Xiaoling 87.3 314 == 3.3  Specification ==
Edwin Chen 73.1 315
316 * CPU: 32-bit 48 MHz
317 * Flash: 256KB
318 * RAM: 64KB
319 * Input Power Range: 5v
320 * Frequency Range: 150 MHz ~~ 960 MHz
321 * Maximum Power +22 dBm constant RF output
322 * High sensitivity: -148 dBm
323 * Temperature:
324 ** Storage: -55 ~~ +125℃
325 ** Operating: -40 ~~ +85℃
326 * Humidity:
327 ** Storage: 5 ~~ 95% (Non-Condensing)
328 ** Operating: 10 ~~ 95% (Non-Condensing)
329 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
330 * LoRa Rx current: <9 mA
331
Xiaoling 87.3 332 == 3.4  Pin Mapping & LED ==
Edwin Chen 7.1 333
334
Xiaoling 87.3 335
336 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
337
338
Edwin Chen 78.2 339 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Herong Lu 58.1 340
341
Xiaoling 87.3 342 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
343
344
Edwin Chen 78.2 345 [[image:image-20220602171217-1.png||height="538" width="800"]]
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Xiaoling 87.3 347
Herong Lu 58.1 348 Open the serial port tool
349
350 [[image:image-20220602161617-8.png]]
351
Edwin Chen 78.2 352 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 353
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Xiaoling 87.3 356 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
357
Edwin Chen 78.2 358 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 359
Xiaoling 87.3 360
Edwin Chen 78.2 361 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 362
Edwin Chen 78.2 363
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Xiaoling 87.3 365 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 366
Xiaoling 87.3 367 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
368
Herong Lu 58.1 369 example: AT+SENDB=01,02,8,05820802581ea0a5
370
Edwin Chen 78.2 371 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 372
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Xiaoling 87.3 375 (% style="color:blue" %)**4. Check to see if TTN received the message**
376
Edwin Chen 78.2 377 [[image:image-20220602162331-12.png||height="420" width="800"]]
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Xiaoling 87.3 381 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 382
Xiaoling 87.3 383
Edwin Chen 87.1 384 **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 81.1 385
386
Xiaoling 87.3 387 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 388
Xiaoling 87.3 389 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 390
Xiaoling 87.3 391 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 392
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Xiaoling 87.3 395 (% style="color:blue" %)**Steps for usage:**
396
397 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
398
399 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
400
Edwin Chen 81.1 401 [[image:image-20220602115852-3.png||height="450" width="1187"]]
402
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Xiaoling 87.4 405 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 406
Xiaoling 87.4 407
Edwin Chen 79.1 408 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 409
Edwin Chen 79.1 410
Xiaoling 87.5 411 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 412
Edwin Chen 78.2 413 [[image:image-20220602171233-2.png||height="538" width="800"]]
Herong Lu 43.1 414
Herong Lu 52.1 415
416
Xiaoling 87.4 417 (% style="color:blue" %)**2. Install Minicom in RPi.**
418
Edwin Chen 79.1 419 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 420
Xiaoling 87.4 421 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 422
Xiaoling 87.4 423 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 424
425
Edwin Chen 79.1 426 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 427
Edwin Chen 79.1 428 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 429
430
Xiaoling 87.4 431
Xiaoling 87.11 432 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 433
Xiaoling 87.11 434 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
435
436
Edwin Chen 79.1 437 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 438
439
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Xiaoling 87.4 441 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 442
Xiaoling 87.5 443 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 444
Edwin Chen 79.1 445 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 446
Xiaoling 87.4 447
Edwin Chen 79.1 448 [[image:image-20220602160339-6.png||height="517" width="600"]]
449
Xiaoling 87.4 450
451
Edwin Chen 79.1 452 Check to see if TTN received the message
453
454 [[image:image-20220602160627-7.png||height="369" width="800"]]
455
456
457
Xiaoling 87.4 458 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
Edwin Chen 11.1 459
Edwin Chen 13.1 460
Herong Lu 63.1 461
Xiaoling 87.4 462 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 463
464
465
466
Xiaoling 87.4 467 = 4.  Order Info =
Edwin Chen 73.1 468
Xiaoling 87.4 469
Xiaoling 87.5 470 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 471
472
Xiaoling 87.5 473 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 474
Xiaoling 87.5 475 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
476 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
477 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
478 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
479 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
480 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
481 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
482 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
483 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 484
Xiaoling 87.4 485 = 5.  Reference =
486
Edwin Chen 78.1 487 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
488
Edwin Chen 90.1 489