Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.1 >
edited by Xiaoling
on 2022/08/17 08:56
To version < 87.9 >
edited by Xiaoling
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Summary

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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
... ... @@ -67,10 +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
... ... @@ -91,238 +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 -~1. The LED lights up red when there is an upstream data packet
102 -2. When the network is successfully connected, the green light will be on for 5 seconds
103 -3. Purple light on when receiving downlink data packets
104 104  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
109 109  
110 -**Show connection diagram：**
111 111  
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
114 114  
115 115  
148 +=== 2.8.1  Items needed for update ===
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
118 118  
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
119 119  
120 -[[image:image-20220723170545-4.png]]
121 121  
157 +=== 2.8.2  Connection ===
122 122  
123 123  
124 -(% style="color:blue" %)**2.  Open project**
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
125 125  
126 126  
127 -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**
128 128  
129 -[[image:image-20220726135239-1.png]]
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
130 130  
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**
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
133 133  
134 -[[image:image-20220726135356-2.png]]
172 +Connect USB TTL Adapter to PC after connecting the wires
135 135  
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
138 138  
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
178 +=== 2.8.3  Upgrade steps ===
141 141  
142 142  
181 +==== 1.  Switch SW1 to put in ISP position ====
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
145 145  
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
146 146  
147 -(% style="color:blue" %)**1.  Open project**
148 148  
149 149  
150 -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]]
188 +==== 2.  Press the RST switch once ====
151 151  
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
152 152  
153 -[[image:image-20220723172502-8.png]]
154 154  
155 155  
194 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
156 156  
157 -(% 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**
158 158  
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/]]**
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
161 161  
200 +[[image:image-20220602103227-6.png]]
162 162  
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
203 +[[image:image-20220602103357-7.png]]
165 165  
166 166  
167 -(% style="color:blue" %)**1.  Open project**
168 168  
207 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
208 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
169 169  
170 -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]]
171 171  
211 +[[image:image-20220602103844-8.png]]
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
174 174  
175 175  
215 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
216 +(% style="color:blue" %)**3. Select the bin file to burn**
176 176  
177 -(% 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**
178 178  
219 +[[image:image-20220602104144-9.png]]
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
181 181  
222 +[[image:image-20220602104251-10.png]]
182 182  
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
225 +[[image:image-20220602104402-11.png]]
185 185  
186 -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/]]
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
189 189  
229 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
230 +(% style="color:blue" %)**4. Click to start the download**
190 190  
232 +[[image:image-20220602104923-13.png]]
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
193 193  
235 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236 +(% style="color:blue" %)**5. Check update process**
194 194  
195 -=== 1.8.1  Items needed for update ===
196 196  
239 +[[image:image-20220602104948-14.png]]
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
203 203  
243 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
244 +(% style="color:blue" %)**The following picture shows that the burning is successful**
204 204  
246 +[[image:image-20220602105251-15.png]]
205 205  
206 -=== 1.8.2  Connection ===
207 207  
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
250 += 3.  LA66 USB LoRaWAN Adapter =
210 210  
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
253 +== 3.1  Overview ==
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
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.
221 221  
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
258 +== 3.2  Features ==
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
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
226 226  
271 +== 3.3  Specification ==
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
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
229 229  
289 +== 3.4  Pin Mapping & LED ==
230 230  
231 231  
232 -=== 1.8.3  Upgrade steps ===
233 233  
293 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
234 234  
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
296 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
237 237  
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
299 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
240 240  
241 241  
302 +[[image:image-20220602171217-1.png||height="538" width="800"]]
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
244 244  
305 +Open the serial port tool
245 245  
246 -[[image:image-20220817085447-1.png]]
307 +[[image:image-20220602161617-8.png]]
247 247  
309 +[[image:image-20220602161718-9.png||height="457" width="800"]]
248 248  
249 249  
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
252 252  
315 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
253 253  
254 -(((
255 -(% 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/]]**
256 -)))
257 257  
318 +[[image:image-20220602161935-10.png||height="498" width="800"]]
258 258  
259 -[[image:image-20220602103227-6.png]]
260 260  
261 261  
262 -[[image:image-20220602103357-7.png]]
322 +(% style="color:blue" %)**3. See Uplink Command**
263 263  
324 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
264 264  
326 +example: AT+SENDB=01,02,8,05820802581ea0a5
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
328 +[[image:image-20220602162157-11.png||height="497" width="800"]]
268 268  
269 269  
270 -[[image:image-20220602103844-8.png]]
271 271  
332 +(% style="color:blue" %)**4. Check to see if TTN received the message**
272 272  
334 +[[image:image-20220602162331-12.png||height="420" width="800"]]
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
276 276  
277 277  
278 -[[image:image-20220602104144-9.png]]
338 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
279 279  
280 280  
281 -[[image:image-20220602104251-10.png]]
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]]
282 282  
283 283  
284 -[[image:image-20220602104402-11.png]]
344 +(% style="color:red" %)**Preconditions:**
285 285  
346 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
286 286  
348 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
290 290  
291 -[[image:image-20220602104923-13.png]]
292 292  
352 +(% style="color:blue" %)**Steps for usage:**
293 293  
354 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
356 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
297 297  
358 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
298 298  
299 -[[image:image-20220602104948-14.png]]
300 300  
301 301  
362 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
305 305  
306 -[[image:image-20220602105251-15.png]]
365 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
307 307  
308 308  
368 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
309 309  
310 -= 2.  FAQ =
370 +[[image:image-20220602171233-2.png||height="538" width="800"]]
311 311  
312 312  
313 -== 2.1  How to Compile Source Code for LA66? ==
314 314  
374 +(% style="color:blue" %)**2. Install Minicom in RPi.**
315 315  
316 -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]]
376 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
317 317  
378 + (% style="background-color:yellow" %)**apt update**
318 318  
380 + (% style="background-color:yellow" %)**apt install minicom**
319 319  
320 -= 3.  Order Info =
321 321  
383 +Use minicom to connect to the RPI's terminal
322 322  
323 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
385 +[[image:image-20220602153146-3.png||height="439" width="500"]]
324 324  
325 325  
388 +
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
391 +
392 +[[image:image-20220602154928-5.png||height="436" width="500"]]
393 +
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 +
326 326  (% style="color:blue" %)**XXX**(%%): The default frequency band
327 327  
328 328  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -337,9 +337,9 @@
337 337  
338 338  
339 339  
340 -= 4.  Reference =
341 341  
443 += 5.  Reference =
342 342  
343 -* 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]]
344 344  
345 345  
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