Skip to Content

Wiki source code of LA66 LoRaWAN Module

Version 98.3 by Xiaoling on 2022/07/18 09:56
Hide last authors
Xiaoling 87.2 1
2
Xiaoling 87.13 3 **Table of Contents:**
4
Edwin Chen 1.1 5 {{toc/}}
6
7
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 98.3 50
51
Xiaoling 87.2 52 == 1.3  Specification ==
53
Edwin Chen 68.1 54 * CPU: 32-bit 48 MHz
55 * Flash: 256KB
56 * RAM: 64KB
Edwin Chen 66.1 57 * Input Power Range: 1.8v ~~ 3.7v
58 * Power Consumption: < 4uA.
59 * Frequency Range: 150 MHz ~~ 960 MHz
60 * Maximum Power +22 dBm constant RF output
61 * High sensitivity: -148 dBm
62 * Temperature:
63 ** Storage: -55 ~~ +125℃
64 ** Operating: -40 ~~ +85℃
65 * Humidity:
66 ** Storage: 5 ~~ 95% (Non-Condensing)
67 ** Operating: 10 ~~ 95% (Non-Condensing)
68 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
69 * LoRa Rx current: <9 mA
70 * I/O Voltage: 3.3v
Edwin Chen 1.1 71
Xiaoling 93.2 72
Xiaoling 98.2 73
74
Xiaoling 87.2 75 == 1.4  AT Command ==
76
Xiaoling 98.2 77
Edwin Chen 66.1 78 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 79
Edwin Chen 3.1 80
Xiaoling 87.2 81 == 1.5  Dimension ==
Edwin Chen 3.1 82
Xiaoling 98.2 83 [[image:image-20220718094750-3.png]]
Edwin Chen 3.1 84
85
Edwin Chen 5.1 86
Xiaoling 98.2 87
Xiaoling 87.2 88 == 1.6  Pin Mapping ==
89
90
Xiaoling 10.2 91 [[image:image-20220523101537-1.png]]
Edwin Chen 5.1 92
93
Xiaoling 87.2 94
95 == 1.7  Land Pattern ==
96
Edwin Chen 5.1 97 [[image:image-20220517072821-2.png]]
98
99
100
Xiaoling 87.2 101 = 2.  LA66 LoRaWAN Shield =
Edwin Chen 6.1 102
103
Xiaoling 87.2 104 == 2.1  Overview ==
105
Edwin Chen 90.1 106
107 [[image:image-20220715000826-2.png||height="386" width="449"]]
108
109
Edwin Chen 71.1 110 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.
111
Edwin Chen 90.1 112 (((
113 (% 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.
114 )))
Edwin Chen 71.1 115
Edwin Chen 90.1 116 (((
117 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
118 )))
119
120 (((
121 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.
122 )))
123
124 (((
125 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
126 )))
127
128
Xiaoling 87.2 129 == 2.2  Features ==
Edwin Chen 71.1 130
131 * Arduino Shield base on LA66 LoRaWAN module
132 * Support LoRaWAN v1.0.4 protocol
133 * Support peer-to-peer protocol
134 * TCXO crystal to ensure RF performance on low temperature
135 * SMA connector
136 * Available in different frequency LoRaWAN frequency bands.
137 * World-wide unique OTAA keys.
138 * AT Command via UART-TTL interface
139 * Firmware upgradable via UART interface
140 * Ultra-long RF range
141
Xiaoling 87.2 142 == 2.3  Specification ==
143
Edwin Chen 71.1 144 * CPU: 32-bit 48 MHz
145 * Flash: 256KB
146 * RAM: 64KB
147 * Input Power Range: 1.8v ~~ 3.7v
148 * Power Consumption: < 4uA.
149 * Frequency Range: 150 MHz ~~ 960 MHz
150 * Maximum Power +22 dBm constant RF output
151 * High sensitivity: -148 dBm
152 * Temperature:
153 ** Storage: -55 ~~ +125℃
154 ** Operating: -40 ~~ +85℃
155 * Humidity:
156 ** Storage: 5 ~~ 95% (Non-Condensing)
157 ** Operating: 10 ~~ 95% (Non-Condensing)
158 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
159 * LoRa Rx current: <9 mA
160 * I/O Voltage: 3.3v
161
Xiaoling 87.2 162 == 2.4  Pin Mapping & LED ==
Edwin Chen 11.1 163
164
165
Xiaoling 87.2 166 == 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
Edwin Chen 11.1 167
168
Xiaoling 87.2 169
170 == 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
171
172
173
174 == 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
175
176
177
178 == 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
179
180
181 === 2.8.1  Items needed for update ===
182
Edwin Chen 74.1 183 1. LA66 LoRaWAN Shield
184 1. Arduino
185 1. USB TO TTL Adapter
Edwin Chen 13.1 186
Edwin Chen 75.1 187 [[image:image-20220602100052-2.png||height="385" width="600"]]
Herong Lu 20.1 188
189
Xiaoling 87.2 190 === 2.8.2  Connection ===
Herong Lu 20.1 191
Xiaoling 87.2 192
Edwin Chen 75.1 193 [[image:image-20220602101311-3.png||height="276" width="600"]]
Herong Lu 20.1 194
195
Xiaoling 87.17 196 (((
Xiaoling 87.2 197 (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
Xiaoling 87.17 198 )))
Xiaoling 87.2 199
Xiaoling 87.16 200 (((
Xiaoling 87.2 201 (% style="background-color:yellow" %)**GND  <-> GND
Xiaoling 87.8 202 TXD  <->  TXD
203 RXD  <->  RXD**
Xiaoling 87.16 204 )))
Xiaoling 87.2 205
206
Edwin Chen 77.1 207 Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
Herong Lu 20.1 208
Edwin Chen 75.1 209 Connect USB TTL Adapter to PC after connecting the wires
Herong Lu 20.1 210
211
Edwin Chen 75.1 212 [[image:image-20220602102240-4.png||height="304" width="600"]]
Herong Lu 20.1 213
214
Xiaoling 87.2 215 === 2.8.3  Upgrade steps ===
Herong Lu 20.1 216
217
Xiaoling 87.2 218 ==== 1.  Switch SW1 to put in ISP position ====
219
220
Edwin Chen 75.1 221 [[image:image-20220602102824-5.png||height="306" width="600"]]
Herong Lu 32.1 222
223
Xiaoling 87.9 224
Xiaoling 87.2 225 ==== 2.  Press the RST switch once ====
Herong Lu 32.1 226
Xiaoling 87.10 227
Edwin Chen 75.1 228 [[image:image-20220602104701-12.png||height="285" width="600"]]
Herong Lu 32.1 229
Edwin Chen 75.1 230
Xiaoling 87.9 231
Xiaoling 87.2 232 ==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
Edwin Chen 75.1 233
Herong Lu 39.1 234
Xiaoling 87.18 235 (((
Xiaoling 87.2 236 (% 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 87.18 237 )))
Xiaoling 87.2 238
239
Herong Lu 32.1 240 [[image:image-20220602103227-6.png]]
241
Xiaoling 87.2 242
Herong Lu 32.1 243 [[image:image-20220602103357-7.png]]
244
245
Xiaoling 87.2 246
Edwin Chen 76.1 247 (% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
Xiaoling 87.2 248 (% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
Edwin Chen 76.1 249
Xiaoling 87.2 250
Herong Lu 32.1 251 [[image:image-20220602103844-8.png]]
252
253
Xiaoling 87.2 254
Edwin Chen 76.1 255 (% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
Xiaoling 87.2 256 (% style="color:blue" %)**3. Select the bin file to burn**
Edwin Chen 76.1 257
Xiaoling 87.2 258
Herong Lu 32.1 259 [[image:image-20220602104144-9.png]]
260
Xiaoling 87.2 261
Herong Lu 32.1 262 [[image:image-20220602104251-10.png]]
263
Xiaoling 87.2 264
Herong Lu 32.1 265 [[image:image-20220602104402-11.png]]
266
267
Xiaoling 87.2 268
Edwin Chen 76.1 269 (% class="wikigeneratedid" id="HClicktostartthedownload" %)
Xiaoling 87.2 270 (% style="color:blue" %)**4. Click to start the download**
Edwin Chen 76.1 271
Herong Lu 32.1 272 [[image:image-20220602104923-13.png]]
273
274
Xiaoling 87.10 275
Edwin Chen 76.1 276 (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
Xiaoling 87.2 277 (% style="color:blue" %)**5. Check update process**
Edwin Chen 76.1 278
Xiaoling 87.2 279
Herong Lu 32.1 280 [[image:image-20220602104948-14.png]]
281
282
Xiaoling 87.2 283
Edwin Chen 76.1 284 (% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
Xiaoling 87.2 285 (% style="color:blue" %)**The following picture shows that the burning is successful**
Edwin Chen 76.1 286
Herong Lu 32.1 287 [[image:image-20220602105251-15.png]]
288
Edwin Chen 72.1 289
290
Xiaoling 87.2 291 = 3.  LA66 USB LoRaWAN Adapter =
Edwin Chen 6.1 292
Edwin Chen 7.1 293
Xiaoling 87.2 294 == 3.1  Overview ==
295
Edwin Chen 93.1 296 [[image:image-20220715001142-3.png||height="145" width="220"]]
297
Edwin Chen 91.1 298 (% 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 52.1 299
Edwin Chen 90.1 300 (% 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 73.1 301
Edwin Chen 90.1 302 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
303
304 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.
305
306 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
307
308
Xiaoling 87.2 309 == 3.2  Features ==
Edwin Chen 73.1 310
311 * LoRaWAN USB adapter base on LA66 LoRaWAN module
312 * Ultra-long RF range
313 * Support LoRaWAN v1.0.4 protocol
314 * Support peer-to-peer protocol
315 * TCXO crystal to ensure RF performance on low temperature
316 * Spring RF antenna
317 * Available in different frequency LoRaWAN frequency bands.
318 * World-wide unique OTAA keys.
319 * AT Command via UART-TTL interface
320 * Firmware upgradable via UART interface
Xiaoling 93.3 321 * Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
Edwin Chen 73.1 322
Xiaoling 87.3 323 == 3.3  Specification ==
Edwin Chen 73.1 324
325 * CPU: 32-bit 48 MHz
326 * Flash: 256KB
327 * RAM: 64KB
328 * Input Power Range: 5v
329 * Frequency Range: 150 MHz ~~ 960 MHz
330 * Maximum Power +22 dBm constant RF output
331 * High sensitivity: -148 dBm
332 * Temperature:
333 ** Storage: -55 ~~ +125℃
334 ** Operating: -40 ~~ +85℃
335 * Humidity:
336 ** Storage: 5 ~~ 95% (Non-Condensing)
337 ** Operating: 10 ~~ 95% (Non-Condensing)
338 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
339 * LoRa Rx current: <9 mA
340
Xiaoling 87.3 341 == 3.4  Pin Mapping & LED ==
Edwin Chen 7.1 342
343
Xiaoling 87.3 344
345 == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
346
347
Edwin Chen 78.2 348 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Herong Lu 58.1 349
350
Xiaoling 87.3 351 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
352
353
Edwin Chen 78.2 354 [[image:image-20220602171217-1.png||height="538" width="800"]]
355
Xiaoling 87.3 356
Herong Lu 58.1 357 Open the serial port tool
358
359 [[image:image-20220602161617-8.png]]
360
Edwin Chen 78.2 361 [[image:image-20220602161718-9.png||height="457" width="800"]]
Herong Lu 58.1 362
363
364
Xiaoling 87.3 365 (% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
366
Edwin Chen 78.2 367 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
Herong Lu 58.1 368
Xiaoling 87.3 369
Edwin Chen 78.2 370 [[image:image-20220602161935-10.png||height="498" width="800"]]
Herong Lu 58.1 371
Edwin Chen 78.2 372
373
Xiaoling 87.3 374 (% style="color:blue" %)**3. See Uplink Command**
Edwin Chen 78.2 375
Xiaoling 87.3 376 Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
377
Herong Lu 58.1 378 example: AT+SENDB=01,02,8,05820802581ea0a5
379
Edwin Chen 78.2 380 [[image:image-20220602162157-11.png||height="497" width="800"]]
Herong Lu 58.1 381
382
383
Xiaoling 87.3 384 (% style="color:blue" %)**4. Check to see if TTN received the message**
385
Edwin Chen 78.2 386 [[image:image-20220602162331-12.png||height="420" width="800"]]
387
388
389
Xiaoling 87.3 390 == 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
Edwin Chen 81.1 391
Xiaoling 87.3 392
Edwin Chen 87.1 393 **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 81.1 394
395
Xiaoling 87.3 396 (% style="color:red" %)**Preconditions:**
Edwin Chen 81.1 397
Xiaoling 87.3 398 (% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
Edwin Chen 81.1 399
Xiaoling 87.3 400 (% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
Edwin Chen 81.1 401
402
403
Xiaoling 87.3 404 (% style="color:blue" %)**Steps for usage:**
405
406 (% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
407
408 (% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
409
Edwin Chen 81.1 410 [[image:image-20220602115852-3.png||height="450" width="1187"]]
411
412
413
Xiaoling 87.4 414 == 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
Edwin Chen 11.1 415
Xiaoling 87.4 416
Edwin Chen 79.1 417 Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
Edwin Chen 12.1 418
Edwin Chen 79.1 419
Xiaoling 87.5 420 (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
Xiaoling 87.4 421
Edwin Chen 78.2 422 [[image:image-20220602171233-2.png||height="538" width="800"]]
Herong Lu 43.1 423
Herong Lu 52.1 424
425
Xiaoling 87.4 426 (% style="color:blue" %)**2. Install Minicom in RPi.**
427
Edwin Chen 79.1 428 (% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
Herong Lu 52.1 429
Xiaoling 87.4 430 (% style="background-color:yellow" %)**apt update**
Herong Lu 52.1 431
Xiaoling 87.4 432 (% style="background-color:yellow" %)**apt install minicom**
Herong Lu 52.1 433
434
Edwin Chen 79.1 435 Use minicom to connect to the RPI's terminal
Herong Lu 52.1 436
Edwin Chen 79.1 437 [[image:image-20220602153146-3.png||height="439" width="500"]]
Herong Lu 52.1 438
439
Xiaoling 87.4 440
Xiaoling 87.11 441 (% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
Edwin Chen 8.1 442
Xiaoling 87.11 443 The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
444
445
Edwin Chen 79.1 446 [[image:image-20220602154928-5.png||height="436" width="500"]]
Herong Lu 46.1 447
448
449
Xiaoling 87.4 450 (% style="color:blue" %)**4. Send Uplink message**
Herong Lu 46.1 451
Xiaoling 87.5 452 Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
Xiaoling 87.4 453
Edwin Chen 79.1 454 example: AT+SENDB=01,02,8,05820802581ea0a5
Herong Lu 46.1 455
Xiaoling 87.4 456
Edwin Chen 79.1 457 [[image:image-20220602160339-6.png||height="517" width="600"]]
458
Xiaoling 87.4 459
460
Edwin Chen 79.1 461 Check to see if TTN received the message
462
463 [[image:image-20220602160627-7.png||height="369" width="800"]]
464
465
466
Xiaoling 87.4 467 == 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
Edwin Chen 11.1 468
Edwin Chen 13.1 469
Herong Lu 63.1 470
Xiaoling 87.4 471 == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
Edwin Chen 73.1 472
473
474
475
Xiaoling 87.4 476 = 4.  Order Info =
Edwin Chen 73.1 477
Xiaoling 87.4 478
Xiaoling 87.5 479 **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
Xiaoling 87.4 480
481
Xiaoling 87.5 482 (% style="color:blue" %)**XXX**(%%): The default frequency band
Edwin Chen 86.1 483
Xiaoling 87.5 484 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
485 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
486 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
487 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
488 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
489 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
490 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
491 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
492 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
Edwin Chen 73.1 493
Xiaoling 87.4 494 = 5.  Reference =
495
Edwin Chen 78.1 496 * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
497
Edwin Chen 90.1 498