Last modified by Xiaoling on 2023/05/26 14:19
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From version < 148.2 >
edited by Xiaoling
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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
... ... @@ -65,9 +65,10 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
69 69  
70 70  
107 +== 2.3  Specification ==
108 +
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -88,236 +88,303 @@
88 88  
89 89  
90 90  
91 -== 1.4  Pin Mapping & LED ==
129 +== 2.4  Pin Mapping & LED ==
92 92  
93 93  
94 -[[image:image-20220817085048-1.png]]
95 95  
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
100 100  
101 101  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
104 104  
105 105  
106 -**Show connection diagram：**
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 107  
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
110 110  
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
111 111  
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
148 +=== 2.8.1  Items needed for update ===
114 114  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
115 115  
116 -[[image:image-20220723170545-4.png]]
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
117 117  
118 118  
157 +=== 2.8.2  Connection ===
119 119  
120 -(% style="color:blue" %)**2.  Open project**
121 121  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
122 122  
123 -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]]
124 124  
125 -[[image:image-20220726135239-1.png]]
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
126 126  
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
127 127  
128 -(% 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**
129 129  
130 -[[image:image-20220726135356-2.png]]
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
131 131  
172 +Connect USB TTL Adapter to PC after connecting the wires
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
134 134  
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
137 137  
178 +=== 2.8.3  Upgrade steps ===
138 138  
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
181 +==== 1.  Switch SW1 to put in ISP position ====
141 141  
142 142  
143 -(% style="color:blue" %)**1.  Open project**
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
144 144  
145 145  
146 -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]]
187 +==== 2.  Press the RST switch once ====
147 147  
189 +[[image:image-20220602104701-12.png||height="285" width="600"]]
148 148  
149 -[[image:image-20220723172502-8.png]]
150 150  
192 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
151 151  
152 152  
153 -(% 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**
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/]]**
154 154  
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
198 +[[image:image-20220602103227-6.png]]
157 157  
158 158  
201 +[[image:image-20220602103357-7.png]]
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
161 161  
162 162  
163 -(% style="color:blue" %)**1.  Open project**
205 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
206 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
164 164  
165 165  
166 -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]]
209 +[[image:image-20220602103844-8.png]]
167 167  
168 168  
169 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
170 170  
213 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
214 +(% style="color:blue" %)**3. Select the bin file to burn**
171 171  
172 172  
173 -(% 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**
217 +[[image:image-20220602104144-9.png]]
174 174  
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
220 +[[image:image-20220602104251-10.png]]
177 177  
178 178  
223 +[[image:image-20220602104402-11.png]]
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
181 181  
182 -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/]]
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
227 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
228 +(% style="color:blue" %)**4. Click to start the download**
185 185  
230 +[[image:image-20220602104923-13.png]]
186 186  
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
233 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 +(% style="color:blue" %)**5. Check update process**
189 189  
190 190  
191 -=== 1.8.1  Items needed for update ===
237 +[[image:image-20220602104948-14.png]]
192 192  
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
241 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 +(% style="color:blue" %)**The following picture shows that the burning is successful**
199 199  
244 +[[image:image-20220602105251-15.png]]
200 200  
201 201  
202 -=== 1.8.2  Connection ===
203 203  
248 += 3.  LA66 USB LoRaWAN Adapter =
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
206 206  
251 +== 3.1  Overview ==
207 207  
208 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
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.
211 211  
212 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
217 217  
256 +== 3.2  Features ==
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
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 -[[image:image-20220602102240-4.png||height="304" width="600"]]
287 +== 3.4  Pin Mapping & LED ==
225 225  
226 226  
227 227  
228 -=== 1.8.3  Upgrade steps ===
291 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
229 229  
230 230  
294 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
233 233  
297 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
236 236  
300 +[[image:image-20220602171217-1.png||height="538" width="800"]]
237 237  
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
303 +Open the serial port tool
240 240  
305 +[[image:image-20220602161617-8.png]]
241 241  
242 -[[image:image-20220817085447-1.png]]
307 +[[image:image-20220602161718-9.png||height="457" width="800"]]
243 243  
244 244  
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
311 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
247 247  
313 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
252 252  
316 +[[image:image-20220602161935-10.png||height="498" width="800"]]
253 253  
254 -[[image:image-20220602103227-6.png]]
255 255  
256 256  
257 -[[image:image-20220602103357-7.png]]
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  
324 +example: AT+SENDB=01,02,8,05820802581ea0a5
260 260  
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
326 +[[image:image-20220602162157-11.png||height="497" width="800"]]
263 263  
264 264  
265 -[[image:image-20220602103844-8.png]]
266 266  
330 +(% style="color:blue" %)**4. Check to see if TTN received the message**
267 267  
332 +[[image:image-20220602162331-12.png||height="420" width="800"]]
268 268  
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
271 271  
272 272  
273 -[[image:image-20220602104144-9.png]]
336 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
274 274  
275 275  
276 -[[image:image-20220602104251-10.png]]
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-20220602104402-11.png]]
342 +(% style="color:red" %)**Preconditions:**
280 280  
344 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
281 281  
346 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
282 282  
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 285  
286 -[[image:image-20220602104923-13.png]]
287 287  
350 +(% style="color:blue" %)**Steps for usage:**
288 288  
352 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
289 289  
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
354 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
292 292  
356 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
293 293  
294 -[[image:image-20220602104948-14.png]]
295 295  
296 296  
360 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
300 300  
301 -[[image:image-20220602105251-15.png]]
363 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
302 302  
303 303  
366 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
304 304  
305 -= 2.  FAQ =
368 +[[image:image-20220602171233-2.png||height="538" width="800"]]
306 306  
307 307  
308 -== 2.1  How to Compile Source Code for LA66? ==
309 309  
372 +(% style="color:blue" %)**2. Install Minicom in RPi.**
310 310  
311 -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]]
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  
378 + (% style="background-color:yellow" %)**apt install minicom**
314 314  
315 -= 3.  Order Info =
316 316  
381 +Use minicom to connect to the RPI's terminal
317 317  
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
383 +[[image:image-20220602153146-3.png||height="439" width="500"]]
319 319  
320 320  
386 +
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
389 +
390 +[[image:image-20220602154928-5.png||height="436" width="500"]]
391 +
392 +
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 +
321 321  (% style="color:blue" %)**XXX**(%%): The default frequency band
322 322  
323 323  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -330,7 +330,11 @@
330 330  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 331  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 332  
333 -= 4.  Reference =
334 334  
335 335  
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
440 +
441 += 5.  Reference =
442 +
443 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
444 +
445 +
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