Last modified by Xiaoling on 2023/05/26 14:19
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From version < 149.4 >
edited by Xiaoling
on 2022/08/17 10:02
To version < 87.8 >
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -1,61 +1,98 @@
1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
8 8  
7 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
10 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
13 +(% 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.
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
15 +(% 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.
19 19  
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 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  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 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
53 -
54 54  == 1.2  Features ==
55 55  
26 +* Support LoRaWAN v1.0.4 protocol
27 +* Support peer-to-peer protocol
28 +* TCXO crystal to ensure RF performance on low temperature
29 +* SMD Antenna pad and i-pex antenna connector
30 +* Available in different frequency LoRaWAN frequency bands.
31 +* World-wide unique OTAA keys.
32 +* AT Command via UART-TTL interface
33 +* Firmware upgradable via UART interface
34 +* Ultra-long RF range
56 56  
36 +
37 +
38 +== 1.3  Specification ==
39 +
40 +* CPU: 32-bit 48 MHz
41 +* Flash: 256KB
42 +* RAM: 64KB
43 +* Input Power Range: 1.8v ~~ 3.7v
44 +* Power Consumption: < 4uA.
45 +* Frequency Range: 150 MHz ~~ 960 MHz
46 +* Maximum Power +22 dBm constant RF output
47 +* High sensitivity: -148 dBm
48 +* Temperature:
49 +** Storage: -55 ~~ +125℃
50 +** Operating: -40 ~~ +85℃
51 +* Humidity:
52 +** Storage: 5 ~~ 95% (Non-Condensing)
53 +** Operating: 10 ~~ 95% (Non-Condensing)
54 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
55 +* LoRa Rx current: <9 mA
56 +* I/O Voltage: 3.3v
57 +
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 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
95 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 61  * SMA connector
... ... @@ -67,9 +67,8 @@
67 67  
68 68  
69 69  
70 -== 1.3  Specification ==
107 +== 2.3  Specification ==
71 71  
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -90,240 +90,303 @@
90 90  
91 91  
92 92  
93 -== 1.4  Pin Mapping & LED ==
129 +== 2.4  Pin Mapping & LED ==
94 94  
95 95  
96 -[[image:image-20220817085048-1.png]]
97 97  
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
98 98  
99 99  
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
103 103  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 108  
109 -**Show connection diagram：**
110 110  
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 114  
148 +=== 2.8.1  Items needed for update ===
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
117 117  
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
118 118  
119 -[[image:image-20220723170545-4.png]]
120 120  
157 +=== 2.8.2  Connection ===
121 121  
122 122  
123 -(% style="color:blue" %)**2.  Open project**
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
124 124  
125 125  
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]]
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
127 127  
128 -[[image:image-20220726135239-1.png]]
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
129 129  
130 130  
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
131 131  
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**
172 +Connect USB TTL Adapter to PC after connecting the wires
133 133  
134 -[[image:image-20220726135356-2.png]]
135 135  
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
136 136  
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
178 +=== 2.8.3  Upgrade steps ===
139 139  
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
181 +==== 1.  Switch SW1 to put in ISP position ====
142 142  
143 143  
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
187 +==== 2.  Press the RST switch once ====
147 147  
148 -(% style="color:blue" %)**1.  Open project**
189 +[[image:image-20220602104701-12.png||height="285" width="600"]]
149 149  
150 150  
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 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
152 152  
153 153  
154 -[[image:image-20220723172502-8.png]]
195 +(% 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/]]**
155 155  
156 156  
198 +[[image:image-20220602103227-6.png]]
157 157  
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**
159 159  
201 +[[image:image-20220602103357-7.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 162  
163 163  
205 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
206 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 166  
209 +[[image:image-20220602103844-8.png]]
167 167  
168 -(% style="color:blue" %)**1.  Open project**
169 169  
170 170  
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]]
213 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
214 +(% style="color:blue" %)**3. Select the bin file to burn**
172 172  
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
217 +[[image:image-20220602104144-9.png]]
175 175  
176 176  
220 +[[image:image-20220602104251-10.png]]
177 177  
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**
179 179  
223 +[[image:image-20220602104402-11.png]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 182  
183 183  
227 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
228 +(% style="color:blue" %)**4. Click to start the download**
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
230 +[[image:image-20220602104923-13.png]]
186 186  
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/]]
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
233 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 +(% style="color:blue" %)**5. Check update process**
190 190  
191 191  
237 +[[image:image-20220602104948-14.png]]
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
195 195  
196 -=== 1.8.1  Items needed for update ===
241 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 +(% style="color:blue" %)**The following picture shows that the burning is successful**
197 197  
244 +[[image:image-20220602105251-15.png]]
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
204 204  
248 += 3.  LA66 USB LoRaWAN Adapter =
205 205  
206 206  
207 -=== 1.8.2  Connection ===
251 +== 3.1  Overview ==
208 208  
253 +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.
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
211 211  
256 +== 3.2  Features ==
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
258 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 +* Ultra-long RF range
260 +* Support LoRaWAN v1.0.4 protocol
261 +* Support peer-to-peer protocol
262 +* TCXO crystal to ensure RF performance on low temperature
263 +* Spring RF antenna
264 +* Available in different frequency LoRaWAN frequency bands.
265 +* World-wide unique OTAA keys.
266 +* AT Command via UART-TTL interface
267 +* Firmware upgradable via UART interface
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
269 +== 3.3  Specification ==
222 222  
271 +* CPU: 32-bit 48 MHz
272 +* Flash: 256KB
273 +* RAM: 64KB
274 +* Input Power Range: 5v
275 +* Frequency Range: 150 MHz ~~ 960 MHz
276 +* Maximum Power +22 dBm constant RF output
277 +* High sensitivity: -148 dBm
278 +* Temperature:
279 +** Storage: -55 ~~ +125℃
280 +** Operating: -40 ~~ +85℃
281 +* Humidity:
282 +** Storage: 5 ~~ 95% (Non-Condensing)
283 +** Operating: 10 ~~ 95% (Non-Condensing)
284 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
285 +* LoRa Rx current: <9 mA
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
287 +== 3.4  Pin Mapping & LED ==
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
227 227  
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
291 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
230 230  
231 231  
294 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
232 232  
233 -=== 1.8.3  Upgrade steps ===
234 234  
297 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
235 235  
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
300 +[[image:image-20220602171217-1.png||height="538" width="800"]]
238 238  
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
303 +Open the serial port tool
241 241  
305 +[[image:image-20220602161617-8.png]]
242 242  
307 +[[image:image-20220602161718-9.png||height="457" width="800"]]
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
245 245  
246 246  
247 -[[image:image-20220817085447-1.png]]
311 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
248 248  
313 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
249 249  
250 250  
316 +[[image:image-20220602161935-10.png||height="498" width="800"]]
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
253 253  
254 254  
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 -)))
320 +(% style="color:blue" %)**3. See Uplink Command**
258 258  
322 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
259 259  
260 -[[image:image-20220602103227-6.png]]
324 +example: AT+SENDB=01,02,8,05820802581ea0a5
261 261  
326 +[[image:image-20220602162157-11.png||height="497" width="800"]]
262 262  
263 -[[image:image-20220602103357-7.png]]
264 264  
265 265  
330 +(% style="color:blue" %)**4. Check to see if TTN received the message**
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
332 +[[image:image-20220602162331-12.png||height="420" width="800"]]
269 269  
270 270  
271 -[[image:image-20220602103844-8.png]]
272 272  
336 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
273 273  
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
339 +**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]]
277 277  
278 278  
279 -[[image:image-20220602104144-9.png]]
342 +(% style="color:red" %)**Preconditions:**
280 280  
344 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
281 281  
282 -[[image:image-20220602104251-10.png]]
346 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
283 283  
284 284  
285 -[[image:image-20220602104402-11.png]]
286 286  
350 +(% style="color:blue" %)**Steps for usage:**
287 287  
352 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
354 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
291 291  
292 -[[image:image-20220602104923-13.png]]
356 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
293 293  
294 294  
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
360 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
298 298  
299 299  
300 -[[image:image-20220602104948-14.png]]
363 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
301 301  
302 302  
366 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 +[[image:image-20220602171233-2.png||height="538" width="800"]]
306 306  
307 -[[image:image-20220602105251-15.png]]
308 308  
309 309  
372 +(% style="color:blue" %)**2. Install Minicom in RPi.**
310 310  
311 -= 2.  FAQ =
374 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
312 312  
376 + (% style="background-color:yellow" %)**apt update**
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
378 + (% style="background-color:yellow" %)**apt install minicom**
315 315  
316 316  
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]]
381 +Use minicom to connect to the RPI's terminal
318 318  
383 +[[image:image-20220602153146-3.png||height="439" width="500"]]
319 319  
320 320  
321 -= 3.  Order Info =
322 322  
387 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388 +(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
323 323  
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
390 +[[image:image-20220602154928-5.png||height="436" width="500"]]
325 325  
326 326  
393 +
394 +(% style="color:blue" %)**4. Send Uplink message**
395 +
396 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
397 +
398 +example: AT+SENDB=01,02,8,05820802581ea0a5
399 +
400 +
401 +[[image:image-20220602160339-6.png||height="517" width="600"]]
402 +
403 +
404 +
405 +Check to see if TTN received the message
406 +
407 +[[image:image-20220602160627-7.png||height="369" width="800"]]
408 +
409 +
410 +
411 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
412 +
413 +
414 +
415 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
416 +
417 +
418 +
419 +
420 += 4.  Order Info =
421 +
422 +
423 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
424 +
425 +
327 327  (% style="color:blue" %)**XXX**(%%): The default frequency band
328 328  
329 329  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -339,9 +339,8 @@
339 339  
340 340  
341 341  
342 -= 4.  Reference =
441 += 5.  Reference =
343 343  
443 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
344 344  
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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