Last modified by Xiaoling on 2023/05/26 14:19
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From version < 149.3 >
edited by Xiaoling
on 2022/08/17 09:29
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
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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
... ... @@ -67,10 +67,8 @@
67 67  
68 68  
69 69  
107 +== 2.3  Specification ==
70 70  
71 -== 1.3  Specification ==
72 -
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -91,241 +91,305 @@
91 91  
92 92  
93 93  
129 +== 2.4  Pin Mapping & LED ==
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
97 97  
98 -[[image:image-20220817085048-1.png]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
99 99  
100 100  
101 101  
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 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
105 105  
106 106  
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
109 109  
110 110  
111 -**Show connection diagram：**
112 112  
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
115 115  
148 +=== 2.8.1  Items needed for update ===
116 116  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
119 119  
120 120  
121 -[[image:image-20220723170545-4.png]]
157 +=== 2.8.2  Connection ===
122 122  
123 123  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
124 124  
125 -(% style="color:blue" %)**2.  Open project**
126 126  
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
127 127  
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]]
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
129 129  
130 -[[image:image-20220726135239-1.png]]
131 131  
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
132 132  
172 +Connect USB TTL Adapter to PC after connecting the wires
133 133  
134 -(% 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**
135 135  
136 -[[image:image-20220726135356-2.png]]
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
137 137  
138 138  
178 +=== 2.8.3  Upgrade steps ===
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
141 141  
181 +==== 1.  Switch SW1 to put in ISP position ====
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
144 144  
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
145 145  
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 148  
188 +==== 2.  Press the RST switch once ====
149 149  
150 -(% style="color:blue" %)**1.  Open project**
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
151 151  
152 152  
153 -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]]
154 154  
194 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
155 155  
156 -[[image:image-20220723172502-8.png]]
157 157  
197 +(% 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/]]**
158 158  
159 159  
160 -(% 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**
200 +[[image:image-20220602103227-6.png]]
161 161  
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
203 +[[image:image-20220602103357-7.png]]
164 164  
165 165  
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
207 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
208 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
168 168  
169 169  
170 -(% style="color:blue" %)**1.  Open project**
211 +[[image:image-20220602103844-8.png]]
171 171  
172 172  
173 -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]]
174 174  
215 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
216 +(% style="color:blue" %)**3. Select the bin file to burn**
175 175  
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
177 177  
219 +[[image:image-20220602104144-9.png]]
178 178  
179 179  
180 -(% 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**
222 +[[image:image-20220602104251-10.png]]
181 181  
182 182  
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
225 +[[image:image-20220602104402-11.png]]
184 184  
185 185  
186 186  
187 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
229 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
230 +(% style="color:blue" %)**4. Click to start the download**
188 188  
189 -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/]]
232 +[[image:image-20220602104923-13.png]]
190 190  
191 -[[image:image-20220723175700-12.png||height="602" width="995"]]
192 192  
235 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 +(% style="color:blue" %)**5. Check update process**
193 193  
194 194  
195 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
239 +[[image:image-20220602104948-14.png]]
196 196  
197 197  
198 -=== 1.8.1  Items needed for update ===
199 199  
243 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 +(% style="color:blue" %)**The following picture shows that the burning is successful**
200 200  
201 -1. LA66 LoRaWAN Shield
202 -1. Arduino
203 -1. USB TO TTL Adapter
246 +[[image:image-20220602105251-15.png]]
204 204  
205 -[[image:image-20220602100052-2.png||height="385" width="600"]]
206 206  
207 207  
250 += 3.  LA66 USB LoRaWAN Adapter =
208 208  
209 -=== 1.8.2  Connection ===
210 210  
253 +== 3.1  Overview ==
211 211  
212 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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.
213 213  
214 214  
215 -(((
216 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
217 -)))
258 +== 3.2  Features ==
218 218  
219 -(((
220 -(% style="background-color:yellow" %)**GND  <-> GND
221 -TXD  <->  TXD
222 -RXD  <->  RXD**
223 -)))
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
224 224  
271 +== 3.3  Specification ==
225 225  
226 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
273 +* CPU: 32-bit 48 MHz
274 +* Flash: 256KB
275 +* RAM: 64KB
276 +* Input Power Range: 5v
277 +* Frequency Range: 150 MHz ~~ 960 MHz
278 +* Maximum Power +22 dBm constant RF output
279 +* High sensitivity: -148 dBm
280 +* Temperature:
281 +** Storage: -55 ~~ +125℃
282 +** Operating: -40 ~~ +85℃
283 +* Humidity:
284 +** Storage: 5 ~~ 95% (Non-Condensing)
285 +** Operating: 10 ~~ 95% (Non-Condensing)
286 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
287 +* LoRa Rx current: <9 mA
227 227  
228 -Connect USB TTL Adapter to PC after connecting the wires
289 +== 3.4  Pin Mapping & LED ==
229 229  
230 230  
231 -[[image:image-20220602102240-4.png||height="304" width="600"]]
232 232  
293 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
233 233  
234 234  
235 -=== 1.8.3  Upgrade steps ===
296 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
236 236  
237 237  
299 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
238 238  
239 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
240 240  
302 +[[image:image-20220602171217-1.png||height="538" width="800"]]
241 241  
242 -[[image:image-20220602102824-5.png||height="306" width="600"]]
243 243  
305 +Open the serial port tool
244 244  
307 +[[image:image-20220602161617-8.png]]
245 245  
246 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
309 +[[image:image-20220602161718-9.png||height="457" width="800"]]
247 247  
248 248  
249 -[[image:image-20220817085447-1.png]]
250 250  
313 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
251 251  
315 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
252 252  
253 253  
254 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
318 +[[image:image-20220602161935-10.png||height="498" width="800"]]
255 255  
256 256  
257 -(((
258 -(% 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/]]**
259 -)))
260 260  
322 +(% style="color:blue" %)**3. See Uplink Command**
261 261  
262 -[[image:image-20220602103227-6.png]]
324 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
263 263  
326 +example: AT+SENDB=01,02,8,05820802581ea0a5
264 264  
265 -[[image:image-20220602103357-7.png]]
328 +[[image:image-20220602162157-11.png||height="497" width="800"]]
266 266  
267 267  
268 268  
269 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
270 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
332 +(% style="color:blue" %)**4. Check to see if TTN received the message**
271 271  
334 +[[image:image-20220602162331-12.png||height="420" width="800"]]
272 272  
273 -[[image:image-20220602103844-8.png]]
274 274  
275 275  
338 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
276 276  
277 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
278 -(% style="color:blue" %)**3. Select the bin file to burn**
279 279  
341 +**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]]
280 280  
281 -[[image:image-20220602104144-9.png]]
282 282  
344 +(% style="color:red" %)**Preconditions:**
283 283  
284 -[[image:image-20220602104251-10.png]]
346 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
285 285  
348 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
286 286  
287 -[[image:image-20220602104402-11.png]]
288 288  
289 289  
352 +(% style="color:blue" %)**Steps for usage:**
290 290  
291 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
292 -(% style="color:blue" %)**4. Click to start the download**
354 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
293 293  
294 -[[image:image-20220602104923-13.png]]
356 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
295 295  
358 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
296 296  
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
299 -(% style="color:blue" %)**5. Check update process**
300 300  
362 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
301 301  
302 -[[image:image-20220602104948-14.png]]
303 303  
365 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
304 304  
305 305  
306 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
307 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
308 308  
309 -[[image:image-20220602105251-15.png]]
370 +[[image:image-20220602171233-2.png||height="538" width="800"]]
310 310  
311 311  
312 312  
313 -= 2.  FAQ =
374 +(% style="color:blue" %)**2. Install Minicom in RPi.**
314 314  
376 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
315 315  
316 -== 2.1  How to Compile Source Code for LA66? ==
378 + (% style="background-color:yellow" %)**apt update**
317 317  
380 + (% style="background-color:yellow" %)**apt install minicom**
318 318  
319 -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]]
320 320  
383 +Use minicom to connect to the RPI's terminal
321 321  
385 +[[image:image-20220602153146-3.png||height="439" width="500"]]
322 322  
323 -= 3.  Order Info =
324 324  
325 325  
326 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
389 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
390 +(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
327 327  
392 +[[image:image-20220602154928-5.png||height="436" width="500"]]
328 328  
394 +
395 +
396 +(% style="color:blue" %)**4. Send Uplink message**
397 +
398 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
399 +
400 +example: AT+SENDB=01,02,8,05820802581ea0a5
401 +
402 +
403 +[[image:image-20220602160339-6.png||height="517" width="600"]]
404 +
405 +
406 +
407 +Check to see if TTN received the message
408 +
409 +[[image:image-20220602160627-7.png||height="369" width="800"]]
410 +
411 +
412 +
413 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
414 +
415 +
416 +
417 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
418 +
419 +
420 +
421 +
422 += 4.  Order Info =
423 +
424 +
425 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
426 +
427 +
329 329  (% style="color:blue" %)**XXX**(%%): The default frequency band
330 330  
331 331  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -340,9 +340,9 @@
340 340  
341 341  
342 342  
343 -= 4.  Reference =
344 344  
443 += 5.  Reference =
345 345  
346 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
445 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
347 347  
348 348  
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