Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.14 >
edited by Xiaoling
on 2022/07/13 10:06
To version < 149.4 >
edited by Xiaoling
on 2022/08/17 10:02
>
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Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Content
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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 -
40 -== 1.3  Specification ==
41 -
42 -* CPU: 32-bit 48 MHz
43 -* Flash: 256KB
44 -* RAM: 64KB
45 -* Input Power Range: 1.8v ~~ 3.7v
46 -* Power Consumption: < 4uA.
47 -* Frequency Range: 150 MHz ~~ 960 MHz
48 -* Maximum Power +22 dBm constant RF output
49 -* High sensitivity: -148 dBm
50 -* Temperature:
51 -** Storage: -55 ~~ +125℃
52 -** Operating: -40 ~~ +85℃
53 -* Humidity:
54 -** Storage: 5 ~~ 95% (Non-Condensing)
55 -** Operating: 10 ~~ 95% (Non-Condensing)
56 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
57 -* LoRa Rx current: <9 mA
58 -* I/O Voltage: 3.3v
59 -
60 -
61 -
62 -== 1.4  AT Command ==
63 -
64 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
65 -
66 -
67 -== 1.5  Dimension ==
68 -
69 -[[image:image-20220517072526-1.png]]
70 -
71 -
72 -
73 -== 1.6  Pin Mapping ==
74 -
75 -
76 -[[image:image-20220523101537-1.png]]
77 -
78 -
79 -
80 -== 1.7  Land Pattern ==
81 -
82 -[[image:image-20220517072821-2.png]]
83 -
84 -
85 -
86 -= 2.  LA66 LoRaWAN Shield =
87 -
88 -
89 -== 2.1  Overview ==
90 -
91 -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.
92 -
93 -
94 -== 2.2  Features ==
95 -
96 96  * Arduino Shield base on LA66 LoRaWAN module
97 -* Support LoRaWAN v1.0.4 protocol
58 +* Support LoRaWAN v1.0.3 protocol
98 98  * Support peer-to-peer protocol
99 99  * TCXO crystal to ensure RF performance on low temperature
100 100  * SMA connector
... ... @@ -106,8 +106,9 @@
106 106  
107 107  
108 108  
109 -== 2.3  Specification ==
70 +== 1.3  Specification ==
110 110  
72 +
111 111  * CPU: 32-bit 48 MHz
112 112  * Flash: 256KB
113 113  * RAM: 64KB
... ... @@ -128,316 +128,240 @@
128 128  
129 129  
130 130  
131 -== 2.4  Pin Mapping & LED ==
93 +== 1.4  Pin Mapping & LED ==
132 132  
133 133  
96 +[[image:image-20220817085048-1.png]]
134 134  
135 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
136 136  
137 137  
100 +~1. The LED lights up red when there is an upstream data packet
101 +2. When the network is successfully connected, the green light will be on for 5 seconds
102 +3. Purple light on when receiving downlink data packets
138 138  
139 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
140 140  
141 141  
106 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
142 142  
143 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
144 144  
109 +**Show connection diagram：**
145 145  
146 146  
147 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112 +[[image:image-20220723170210-2.png||height="908" width="681"]]
148 148  
149 149  
150 -=== 2.8.1  Items needed for update ===
151 151  
152 -1. LA66 LoRaWAN Shield
153 -1. Arduino
154 -1. USB TO TTL Adapter
116 +(% style="color:blue" %)**1.  open Arduino IDE**
155 155  
156 156  
119 +[[image:image-20220723170545-4.png]]
157 157  
158 158  
159 -[[image:image-20220602100052-2.png||height="385" width="600"]]
160 160  
123 +(% style="color:blue" %)**2.  Open project**
161 161  
162 -=== 2.8.2  Connection ===
163 163  
126 +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]]
164 164  
165 -[[image:image-20220602101311-3.png||height="276" width="600"]]
128 +[[image:image-20220726135239-1.png]]
166 166  
167 167  
168 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
169 169  
170 -(% style="background-color:yellow" %)**GND  <-> GND
171 -TXD  <->  TXD
172 -RXD  <->  RXD**
132 +(% 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**
173 173  
134 +[[image:image-20220726135356-2.png]]
174 174  
175 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
176 176  
177 -Connect USB TTL Adapter to PC after connecting the wires
178 178  
138 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
179 179  
180 -[[image:image-20220602102240-4.png||height="304" width="600"]]
181 181  
141 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
182 182  
183 -=== 2.8.3  Upgrade steps ===
184 184  
185 185  
186 -==== 1.  Switch SW1 to put in ISP position ====
145 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
187 187  
188 188  
189 -[[image:image-20220602102824-5.png||height="306" width="600"]]
148 +(% style="color:blue" %)**1.  Open project**
190 190  
191 191  
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]]
192 192  
193 -==== 2.  Press the RST switch once ====
194 194  
154 +[[image:image-20220723172502-8.png]]
195 195  
196 -[[image:image-20220602104701-12.png||height="285" width="600"]]
197 197  
198 198  
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**
199 199  
200 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
201 201  
161 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
202 202  
203 -(% 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/]]**
204 204  
205 205  
206 -[[image:image-20220602103227-6.png]]
165 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
207 207  
208 208  
209 -[[image:image-20220602103357-7.png]]
168 +(% style="color:blue" %)**1.  Open project**
210 210  
211 211  
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]]
212 212  
213 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
214 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
215 215  
174 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
216 216  
217 -[[image:image-20220602103844-8.png]]
218 218  
219 219  
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**
220 220  
221 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
222 -(% style="color:blue" %)**3. Select the bin file to burn**
223 223  
181 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
224 224  
225 -[[image:image-20220602104144-9.png]]
226 226  
227 227  
228 -[[image:image-20220602104251-10.png]]
185 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
229 229  
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/]]
230 230  
231 -[[image:image-20220602104402-11.png]]
189 +[[image:image-20220723175700-12.png||height="602" width="995"]]
232 232  
233 233  
234 234  
235 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
236 -(% style="color:blue" %)**4. Click to start the download**
193 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
237 237  
238 -[[image:image-20220602104923-13.png]]
239 239  
196 +=== 1.8.1  Items needed for update ===
240 240  
241 241  
242 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
243 -(% style="color:blue" %)**5. Check update process**
199 +1. LA66 LoRaWAN Shield
200 +1. Arduino
201 +1. USB TO TTL Adapter
244 244  
203 +[[image:image-20220602100052-2.png||height="385" width="600"]]
245 245  
246 -[[image:image-20220602104948-14.png]]
247 247  
248 248  
207 +=== 1.8.2  Connection ===
249 249  
250 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
251 -(% style="color:blue" %)**The following picture shows that the burning is successful**
252 252  
253 -[[image:image-20220602105251-15.png]]
210 +[[image:image-20220602101311-3.png||height="276" width="600"]]
254 254  
255 255  
213 +(((
214 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 +)))
256 256  
257 -= 3.  LA66 USB LoRaWAN Adapter =
217 +(((
218 +(% style="background-color:yellow" %)**GND  <-> GND
219 +TXD  <->  TXD
220 +RXD  <->  RXD**
221 +)))
258 258  
259 259  
260 -== 3.1  Overview ==
224 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
261 261  
262 -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.
226 +Connect USB TTL Adapter to PC after connecting the wires
263 263  
264 264  
265 -== 3.2  Features ==
229 +[[image:image-20220602102240-4.png||height="304" width="600"]]
266 266  
267 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
268 -* Ultra-long RF range
269 -* Support LoRaWAN v1.0.4 protocol
270 -* Support peer-to-peer protocol
271 -* TCXO crystal to ensure RF performance on low temperature
272 -* Spring RF antenna
273 -* Available in different frequency LoRaWAN frequency bands.
274 -* World-wide unique OTAA keys.
275 -* AT Command via UART-TTL interface
276 -* Firmware upgradable via UART interface
277 277  
278 278  
233 +=== 1.8.3  Upgrade steps ===
279 279  
280 -== 3.3  Specification ==
281 281  
282 -* CPU: 32-bit 48 MHz
283 -* Flash: 256KB
284 -* RAM: 64KB
285 -* Input Power Range: 5v
286 -* Frequency Range: 150 MHz ~~ 960 MHz
287 -* Maximum Power +22 dBm constant RF output
288 -* High sensitivity: -148 dBm
289 -* Temperature:
290 -** Storage: -55 ~~ +125℃
291 -** Operating: -40 ~~ +85℃
292 -* Humidity:
293 -** Storage: 5 ~~ 95% (Non-Condensing)
294 -** Operating: 10 ~~ 95% (Non-Condensing)
295 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
296 -* LoRa Rx current: <9 mA
297 297  
237 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
298 298  
299 299  
300 -== 3.4  Pin Mapping & LED ==
240 +[[image:image-20220602102824-5.png||height="306" width="600"]]
301 301  
302 302  
303 303  
304 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
244 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 305  
306 306  
307 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
247 +[[image:image-20220817085447-1.png]]
308 308  
309 309  
310 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
311 311  
312 312  
313 -[[image:image-20220602171217-1.png||height="538" width="800"]]
252 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
314 314  
315 315  
316 -Open the serial port tool
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 +)))
317 317  
318 -[[image:image-20220602161617-8.png]]
319 319  
320 -[[image:image-20220602161718-9.png||height="457" width="800"]]
260 +[[image:image-20220602103227-6.png]]
321 321  
322 322  
263 +[[image:image-20220602103357-7.png]]
323 323  
324 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
325 325  
326 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
327 327  
267 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
328 328  
329 -[[image:image-20220602161935-10.png||height="498" width="800"]]
330 330  
271 +[[image:image-20220602103844-8.png]]
331 331  
332 332  
333 -(% style="color:blue" %)**3. See Uplink Command**
334 334  
335 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
275 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 +(% style="color:blue" %)**3. Select the bin file to burn**
336 336  
337 -example: AT+SENDB=01,02,8,05820802581ea0a5
338 338  
339 -[[image:image-20220602162157-11.png||height="497" width="800"]]
279 +[[image:image-20220602104144-9.png]]
340 340  
341 341  
282 +[[image:image-20220602104251-10.png]]
342 342  
343 -(% style="color:blue" %)**4. Check to see if TTN received the message**
344 344  
345 -[[image:image-20220602162331-12.png||height="420" width="800"]]
285 +[[image:image-20220602104402-11.png]]
346 346  
347 347  
348 348  
349 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
289 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 +(% style="color:blue" %)**4. Click to start the download**
350 350  
292 +[[image:image-20220602104923-13.png]]
351 351  
352 -**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]]
353 353  
354 354  
355 -(% style="color:red" %)**Preconditions:**
296 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 +(% style="color:blue" %)**5. Check update process**
356 356  
357 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
358 358  
359 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
300 +[[image:image-20220602104948-14.png]]
360 360  
361 361  
362 362  
363 -(% style="color:blue" %)**Steps for usage:**
304 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 +(% style="color:blue" %)**The following picture shows that the burning is successful**
364 364  
365 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
307 +[[image:image-20220602105251-15.png]]
366 366  
367 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
368 368  
369 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
370 370  
311 += 2.  FAQ =
371 371  
372 372  
373 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
314 +== 2.1  How to Compile Source Code for LA66? ==
374 374  
375 375  
376 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
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]]
377 377  
378 378  
379 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
380 380  
381 -[[image:image-20220602171233-2.png||height="538" width="800"]]
321 += 3.  Order Info =
382 382  
383 383  
324 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
384 384  
385 -(% style="color:blue" %)**2. Install Minicom in RPi.**
386 386  
387 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
388 -
389 - (% style="background-color:yellow" %)**apt update**
390 -
391 - (% style="background-color:yellow" %)**apt install minicom**
392 -
393 -
394 -Use minicom to connect to the RPI's terminal
395 -
396 -[[image:image-20220602153146-3.png||height="439" width="500"]]
397 -
398 -
399 -
400 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
401 -
402 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
403 -
404 -
405 -[[image:image-20220602154928-5.png||height="436" width="500"]]
406 -
407 -
408 -
409 -(% style="color:blue" %)**4. Send Uplink message**
410 -
411 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
412 -
413 -example: AT+SENDB=01,02,8,05820802581ea0a5
414 -
415 -
416 -[[image:image-20220602160339-6.png||height="517" width="600"]]
417 -
418 -
419 -
420 -Check to see if TTN received the message
421 -
422 -[[image:image-20220602160627-7.png||height="369" width="800"]]
423 -
424 -
425 -
426 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
427 -
428 -
429 -
430 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
431 -
432 -
433 -
434 -
435 -= 4.  Order Info =
436 -
437 -
438 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
439 -
440 -
441 441  (% style="color:blue" %)**XXX**(%%): The default frequency band
442 442  
443 443  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -452,8 +452,10 @@
452 452  
453 453  
454 454  
455 -= 5.  Reference =
456 456  
457 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
342 += 4.  Reference =
458 458  
344 +
345 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 +
459 459  
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