Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.13 >
edited by Xiaoling
on 2022/07/13 10:05
To version < 149.2 >
edited by Xiaoling
on 2022/08/17 08:57
>
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Summary

Details

Page properties
Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Content
... ... @@ -6,93 +6,56 @@
6 6  
7 7  
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 10  
10 += 1.  LA66 LoRaWAN Shield =
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
13 +== 1.1  Overview ==
14 14  
15 -(% 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.
16 16  
17 -(% 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.
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
18 18  
20 +(((
21 +
22 +)))
23 +
24 +(((
25 +(% 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.
26 +)))
27 +
28 +(((
29 +(((
30 +(% 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.
31 +)))
32 +)))
33 +
34 +(((
35 +(((
19 19  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
20 20  
40 +(((
41 +(((
21 21  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.
43 +)))
44 +)))
22 22  
46 +(((
47 +(((
23 23  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
24 24  
25 25  
53 +
26 26  == 1.2  Features ==
27 27  
28 -* Support LoRaWAN v1.0.4 protocol
29 -* Support peer-to-peer protocol
30 -* TCXO crystal to ensure RF performance on low temperature
31 -* SMD Antenna pad and i-pex antenna connector
32 -* Available in different frequency LoRaWAN frequency bands.
33 -* World-wide unique OTAA keys.
34 -* AT Command via UART-TTL interface
35 -* Firmware upgradable via UART interface
36 -* Ultra-long RF range
37 37  
38 -
39 -== 1.3  Specification ==
40 -
41 -* CPU: 32-bit 48 MHz
42 -* Flash: 256KB
43 -* RAM: 64KB
44 -* Input Power Range: 1.8v ~~ 3.7v
45 -* Power Consumption: < 4uA.
46 -* Frequency Range: 150 MHz ~~ 960 MHz
47 -* Maximum Power +22 dBm constant RF output
48 -* High sensitivity: -148 dBm
49 -* Temperature:
50 -** Storage: -55 ~~ +125℃
51 -** Operating: -40 ~~ +85℃
52 -* Humidity:
53 -** Storage: 5 ~~ 95% (Non-Condensing)
54 -** Operating: 10 ~~ 95% (Non-Condensing)
55 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
56 -* LoRa Rx current: <9 mA
57 -* I/O Voltage: 3.3v
58 -
59 -
60 -== 1.4  AT Command ==
61 -
62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 -
64 -
65 -== 1.5  Dimension ==
66 -
67 -[[image:image-20220517072526-1.png]]
68 -
69 -
70 -
71 -== 1.6  Pin Mapping ==
72 -
73 -
74 -[[image:image-20220523101537-1.png]]
75 -
76 -
77 -
78 -== 1.7  Land Pattern ==
79 -
80 -[[image:image-20220517072821-2.png]]
81 -
82 -
83 -
84 -= 2.  LA66 LoRaWAN Shield =
85 -
86 -
87 -== 2.1  Overview ==
88 -
89 -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.
90 -
91 -
92 -== 2.2  Features ==
93 -
94 94  * Arduino Shield base on LA66 LoRaWAN module
95 -* Support LoRaWAN v1.0.4 protocol
58 +* Support LoRaWAN v1.0.3 protocol
96 96  * Support peer-to-peer protocol
97 97  * TCXO crystal to ensure RF performance on low temperature
98 98  * SMA connector
... ... @@ -103,8 +103,11 @@
103 103  * Ultra-long RF range
104 104  
105 105  
106 -== 2.3  Specification ==
107 107  
70 +
71 +== 1.3  Specification ==
72 +
73 +
108 108  * CPU: 32-bit 48 MHz
109 109  * Flash: 256KB
110 110  * RAM: 64KB
... ... @@ -124,311 +124,240 @@
124 124  * I/O Voltage: 3.3v
125 125  
126 126  
127 -== 2.4  Pin Mapping & LED ==
128 128  
129 129  
95 +== 1.4  Pin Mapping & LED ==
130 130  
131 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
132 132  
98 +[[image:image-20220817085048-1.png]]
133 133  
134 134  
135 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
136 136  
102 +~1. The LED lights up red when there is an upstream data packet
103 +2. When the network is successfully connected, the green light will be on for 5 seconds
104 +3. Purple light on when receiving downlink data packets
137 137  
138 138  
139 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
140 140  
108 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 141  
142 142  
143 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
111 +**Show connection diagram：**
144 144  
145 145  
146 -=== 2.8.1  Items needed for update ===
114 +[[image:image-20220723170210-2.png||height="908" width="681"]]
147 147  
148 -1. LA66 LoRaWAN Shield
149 -1. Arduino
150 -1. USB TO TTL Adapter
151 151  
152 -[[image:image-20220602100052-2.png||height="385" width="600"]]
153 153  
118 +(% style="color:blue" %)**1.  open Arduino IDE**
154 154  
155 -=== 2.8.2  Connection ===
156 156  
121 +[[image:image-20220723170545-4.png]]
157 157  
158 -[[image:image-20220602101311-3.png||height="276" width="600"]]
159 159  
160 160  
161 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
125 +(% style="color:blue" %)**2.  Open project**
162 162  
163 -(% style="background-color:yellow" %)**GND  <-> GND
164 -TXD  <->  TXD
165 -RXD  <->  RXD**
166 166  
128 +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]]
167 167  
168 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
130 +[[image:image-20220726135239-1.png]]
169 169  
170 -Connect USB TTL Adapter to PC after connecting the wires
171 171  
133 +(% 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**
172 172  
173 -[[image:image-20220602102240-4.png||height="304" width="600"]]
135 +[[image:image-20220726135356-2.png]]
174 174  
175 175  
176 -=== 2.8.3  Upgrade steps ===
138 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
177 177  
178 178  
179 -==== 1.  Switch SW1 to put in ISP position ====
141 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
180 180  
181 181  
182 -[[image:image-20220602102824-5.png||height="306" width="600"]]
183 183  
145 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
184 184  
185 185  
186 -==== 2.  Press the RST switch once ====
148 +(% style="color:blue" %)**1.  Open project**
187 187  
188 188  
189 -[[image:image-20220602104701-12.png||height="285" width="600"]]
151 +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]]
190 190  
191 191  
154 +[[image:image-20220723172502-8.png]]
192 192  
193 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
194 194  
195 195  
196 -(% 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/]]**
158 +(% 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**
197 197  
198 198  
199 -[[image:image-20220602103227-6.png]]
161 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
200 200  
201 201  
202 -[[image:image-20220602103357-7.png]]
203 203  
165 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
204 204  
205 205  
206 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
168 +(% style="color:blue" %)**1.  Open project**
208 208  
209 209  
210 -[[image:image-20220602103844-8.png]]
171 +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]]
211 211  
212 212  
174 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
213 213  
214 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 -(% style="color:blue" %)**3. Select the bin file to burn**
216 216  
217 217  
218 -[[image:image-20220602104144-9.png]]
178 +(% 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**
219 219  
220 220  
221 -[[image:image-20220602104251-10.png]]
181 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
222 222  
223 223  
224 -[[image:image-20220602104402-11.png]]
225 225  
185 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
226 226  
187 +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/]]
227 227  
228 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 -(% style="color:blue" %)**4. Click to start the download**
189 +[[image:image-20220723175700-12.png||height="602" width="995"]]
230 230  
231 -[[image:image-20220602104923-13.png]]
232 232  
233 233  
193 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
234 234  
235 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 -(% style="color:blue" %)**5. Check update process**
237 237  
196 +=== 1.8.1  Items needed for update ===
238 238  
239 -[[image:image-20220602104948-14.png]]
240 240  
199 +1. LA66 LoRaWAN Shield
200 +1. Arduino
201 +1. USB TO TTL Adapter
241 241  
203 +[[image:image-20220602100052-2.png||height="385" width="600"]]
242 242  
243 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 -(% style="color:blue" %)**The following picture shows that the burning is successful**
245 245  
246 -[[image:image-20220602105251-15.png]]
247 247  
207 +=== 1.8.2  Connection ===
248 248  
249 249  
250 -= 3.  LA66 USB LoRaWAN Adapter =
210 +[[image:image-20220602101311-3.png||height="276" width="600"]]
251 251  
252 252  
253 -== 3.1  Overview ==
213 +(((
214 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 +)))
254 254  
255 -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.
217 +(((
218 +(% style="background-color:yellow" %)**GND  <-> GND
219 +TXD  <->  TXD
220 +RXD  <->  RXD**
221 +)))
256 256  
257 257  
258 -== 3.2  Features ==
224 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
259 259  
260 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
261 -* Ultra-long RF range
262 -* Support LoRaWAN v1.0.4 protocol
263 -* Support peer-to-peer protocol
264 -* TCXO crystal to ensure RF performance on low temperature
265 -* Spring RF antenna
266 -* Available in different frequency LoRaWAN frequency bands.
267 -* World-wide unique OTAA keys.
268 -* AT Command via UART-TTL interface
269 -* Firmware upgradable via UART interface
226 +Connect USB TTL Adapter to PC after connecting the wires
270 270  
271 271  
272 -== 3.3  Specification ==
229 +[[image:image-20220602102240-4.png||height="304" width="600"]]
273 273  
274 -* CPU: 32-bit 48 MHz
275 -* Flash: 256KB
276 -* RAM: 64KB
277 -* Input Power Range: 5v
278 -* Frequency Range: 150 MHz ~~ 960 MHz
279 -* Maximum Power +22 dBm constant RF output
280 -* High sensitivity: -148 dBm
281 -* Temperature:
282 -** Storage: -55 ~~ +125℃
283 -** Operating: -40 ~~ +85℃
284 -* Humidity:
285 -** Storage: 5 ~~ 95% (Non-Condensing)
286 -** Operating: 10 ~~ 95% (Non-Condensing)
287 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
288 -* LoRa Rx current: <9 mA
289 289  
290 290  
291 -== 3.4  Pin Mapping & LED ==
233 +=== 1.8.3  Upgrade steps ===
292 292  
293 293  
294 294  
295 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
237 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
296 296  
297 297  
298 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
240 +[[image:image-20220602102824-5.png||height="306" width="600"]]
299 299  
300 300  
301 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
302 302  
244 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
303 303  
304 -[[image:image-20220602171217-1.png||height="538" width="800"]]
305 305  
247 +[[image:image-20220817085447-1.png]]
306 306  
307 -Open the serial port tool
308 308  
309 -[[image:image-20220602161617-8.png]]
310 310  
311 -[[image:image-20220602161718-9.png||height="457" width="800"]]
312 312  
252 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 313  
314 314  
315 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
255 +(((
256 +(% 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/]]**
257 +)))
316 316  
317 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
318 318  
260 +[[image:image-20220602103227-6.png]]
319 319  
320 -[[image:image-20220602161935-10.png||height="498" width="800"]]
321 321  
263 +[[image:image-20220602103357-7.png]]
322 322  
323 323  
324 -(% style="color:blue" %)**3. See Uplink Command**
325 325  
326 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
267 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
327 327  
328 -example: AT+SENDB=01,02,8,05820802581ea0a5
329 329  
330 -[[image:image-20220602162157-11.png||height="497" width="800"]]
271 +[[image:image-20220602103844-8.png]]
331 331  
332 332  
333 333  
334 -(% style="color:blue" %)**4. Check to see if TTN received the message**
275 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 +(% style="color:blue" %)**3. Select the bin file to burn**
335 335  
336 -[[image:image-20220602162331-12.png||height="420" width="800"]]
337 337  
279 +[[image:image-20220602104144-9.png]]
338 338  
339 339  
340 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
282 +[[image:image-20220602104251-10.png]]
341 341  
342 342  
343 -**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]]
285 +[[image:image-20220602104402-11.png]]
344 344  
345 345  
346 -(% style="color:red" %)**Preconditions:**
347 347  
348 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
289 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 +(% style="color:blue" %)**4. Click to start the download**
349 349  
350 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
292 +[[image:image-20220602104923-13.png]]
351 351  
352 352  
353 353  
354 -(% style="color:blue" %)**Steps for usage:**
296 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 +(% style="color:blue" %)**5. Check update process**
355 355  
356 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
357 357  
358 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
300 +[[image:image-20220602104948-14.png]]
359 359  
360 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
361 361  
362 362  
304 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 +(% style="color:blue" %)**The following picture shows that the burning is successful**
363 363  
364 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
307 +[[image:image-20220602105251-15.png]]
365 365  
366 366  
367 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
368 368  
311 += 2.  FAQ =
369 369  
370 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
371 371  
372 -[[image:image-20220602171233-2.png||height="538" width="800"]]
314 +== 2.1  How to Compile Source Code for LA66? ==
373 373  
374 374  
317 +Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
375 375  
376 -(% style="color:blue" %)**2. Install Minicom in RPi.**
377 377  
378 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
379 379  
380 - (% style="background-color:yellow" %)**apt update**
321 += 3.  Order Info =
381 381  
382 - (% style="background-color:yellow" %)**apt install minicom**
383 383  
324 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
384 384  
385 -Use minicom to connect to the RPI's terminal
386 386  
387 -[[image:image-20220602153146-3.png||height="439" width="500"]]
388 -
389 -
390 -
391 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
392 -
393 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
394 -
395 -
396 -[[image:image-20220602154928-5.png||height="436" width="500"]]
397 -
398 -
399 -
400 -(% style="color:blue" %)**4. Send Uplink message**
401 -
402 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
403 -
404 -example: AT+SENDB=01,02,8,05820802581ea0a5
405 -
406 -
407 -[[image:image-20220602160339-6.png||height="517" width="600"]]
408 -
409 -
410 -
411 -Check to see if TTN received the message
412 -
413 -[[image:image-20220602160627-7.png||height="369" width="800"]]
414 -
415 -
416 -
417 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
418 -
419 -
420 -
421 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
422 -
423 -
424 -
425 -
426 -= 4.  Order Info =
427 -
428 -
429 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
430 -
431 -
432 432  (% style="color:blue" %)**XXX**(%%): The default frequency band
433 433  
434 434  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -443,8 +443,9 @@
443 443  
444 444  
445 445  
446 -= 5.  Reference =
341 += 4.  Reference =
447 447  
448 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
449 449  
344 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 +
450 450  
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