Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
To version < 146.8 >
edited by Xiaoling
on 2022/08/16 14:21
>
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Shield User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 -(% 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.
10 10  
11 -(% 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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
12 +
13 +== 1.1  Overview ==
14 +
15 +
16 +(((
17 +[[image:image-20220715000826-2.png||height="145" width="220"]]
18 +)))
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 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
14 14  
40 +(((
41 +(((
15 15  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 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 19  
20 -== Features ==
21 21  
54 +== 1.2  Features ==
55 +
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
61 +* SMA connector
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 28  * AT Command via UART-TTL interface
... ... @@ -29,8 +29,11 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
32 -== Specification ==
33 33  
69 +
70 +== 1.3  Specification ==
71 +
72 +
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,340 +49,251 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55 55  
93 +== 1.4  Pin Mapping & LED ==
56 56  
57 -== Dimension ==
58 58  
59 -[[image:image-20220517072526-1.png]]
96 +[[image:image-20220814101457-1.png||height="553" width="761"]]
60 60  
98 +~1. The LED lights up red when there is an upstream data packet
99 +2. When the network is successfully connected, the green light will be on for 5 seconds
100 +3. Purple light on when receiving downlink data packets
61 61  
62 -== Pin Mapping ==
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
104 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
67 67  
68 -[[image:image-20220517072821-2.png]]
69 69  
107 +**Show connection diagram：**
70 70  
71 -== Order Info ==
72 72  
73 -Part Number: **LA66-XXX**
110 +[[image:image-20220723170210-2.png||height="908" width="681"]]
74 74  
75 -**XX**: The default frequency band
76 76  
77 -* **AS923**: LoRaWAN AS923 band
78 -* **AU915**: LoRaWAN AU915 band
79 -* **EU433**: LoRaWAN EU433 band
80 -* **EU868**: LoRaWAN EU868 band
81 -* **KR920**: LoRaWAN KR920 band
82 -* **US915**: LoRaWAN US915 band
83 -* **IN865**: LoRaWAN IN865 band
84 -* **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
86 86  
87 -= LA66 LoRaWAN Shield =
114 +(% style="color:blue" %)**1.  open Arduino IDE**
88 88  
89 -== Overview ==
90 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.
117 +[[image:image-20220723170545-4.png]]
92 92  
93 93  
94 -== Features ==
95 95  
96 -* Arduino Shield base on LA66 LoRaWAN module
97 -* Support LoRaWAN v1.0.4 protocol
98 -* Support peer-to-peer protocol
99 -* TCXO crystal to ensure RF performance on low temperature
100 -* SMA connector
101 -* Available in different frequency LoRaWAN frequency bands.
102 -* World-wide unique OTAA keys.
103 -* AT Command via UART-TTL interface
104 -* Firmware upgradable via UART interface
105 -* Ultra-long RF range
121 +(% style="color:blue" %)**2.  Open project**
106 106  
107 -== Specification ==
108 108  
109 -* CPU: 32-bit 48 MHz
110 -* Flash: 256KB
111 -* RAM: 64KB
112 -* Input Power Range: 1.8v ~~ 3.7v
113 -* Power Consumption: < 4uA.
114 -* Frequency Range: 150 MHz ~~ 960 MHz
115 -* Maximum Power +22 dBm constant RF output
116 -* High sensitivity: -148 dBm
117 -* Temperature:
118 -** Storage: -55 ~~ +125℃
119 -** Operating: -40 ~~ +85℃
120 -* Humidity:
121 -** Storage: 5 ~~ 95% (Non-Condensing)
122 -** Operating: 10 ~~ 95% (Non-Condensing)
123 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
124 -* LoRa Rx current: <9 mA
125 -* I/O Voltage: 3.3v
124 +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]]
126 126  
127 -== Pin Mapping & LED ==
126 +[[image:image-20220726135239-1.png]]
128 128  
129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
131 -== Example: Join TTN network and send an uplink message, get downlink message. ==
129 +(% 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**
132 132  
133 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
131 +[[image:image-20220726135356-2.png]]
134 134  
135 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
136 136  
137 -=== what needs to be used ===
134 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
138 138  
139 -1.LA66 LoRaWAN Shield that needs to be upgraded
140 140  
141 -2.Arduino
137 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
143 -3.USB TO TTL
144 144  
145 -[[image:image-20220602100052-2.png]]
146 146  
147 -=== Wiring Schematic ===
141 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 148  
149 -[[image:image-20220602101311-3.png]]
150 150  
151 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
144 +(% style="color:blue" %)**1.  Open project**
152 152  
153 -GND  >>>>>>>>>>>>GND
154 154  
155 -TXD  >>>>>>>>>>>>TXD
147 +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]]
156 156  
157 -RXD  >>>>>>>>>>>>RXD
158 158  
159 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
150 +[[image:image-20220723172502-8.png]]
160 160  
161 -Connect to the PC after connecting the wires
162 162  
163 -[[image:image-20220602102240-4.png]]
164 164  
165 -=== Upgrade steps ===
154 +(% 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**
166 166  
167 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
168 168  
169 -[[image:image-20220602102824-5.png]]
157 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
170 170  
171 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
172 172  
173 -[[image:image-20220602104701-12.png]]
174 174  
175 -==== Open the upgrade application software ====
161 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
176 176  
177 -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/]]
178 178  
179 -[[image:image-20220602103227-6.png]]
164 +(% style="color:blue" %)**1.  Open project**
180 180  
181 -[[image:image-20220602103357-7.png]]
182 182  
183 -===== Select the COM port corresponding to USB TTL =====
167 +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]]
184 184  
185 -[[image:image-20220602103844-8.png]]
186 186  
187 -===== Select the bin file to burn =====
170 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
188 188  
189 -[[image:image-20220602104144-9.png]]
190 190  
191 -[[image:image-20220602104251-10.png]]
192 192  
193 -[[image:image-20220602104402-11.png]]
174 +(% 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**
194 194  
195 -===== Click to start the download =====
196 196  
197 -[[image:image-20220602104923-13.png]]
177 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
198 198  
199 -===== The following figure appears to prove that the burning is in progress =====
200 200  
201 -[[image:image-20220602104948-14.png]]
202 202  
203 -===== The following picture appears to prove that the burning is successful =====
181 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
204 204  
205 -[[image:image-20220602105251-15.png]]
183 +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/]]
206 206  
185 +[[image:image-20220723175700-12.png||height="602" width="995"]]
207 207  
208 -== Order Info ==
209 209  
210 -Part Number: **LA66-LoRaWAN-Shield-XXX**
211 211  
212 -**XX**: The default frequency band
189 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
213 213  
214 -* **AS923**: LoRaWAN AS923 band
215 -* **AU915**: LoRaWAN AU915 band
216 -* **EU433**: LoRaWAN EU433 band
217 -* **EU868**: LoRaWAN EU868 band
218 -* **KR920**: LoRaWAN KR920 band
219 -* **US915**: LoRaWAN US915 band
220 -* **IN865**: LoRaWAN IN865 band
221 -* **CN470**: LoRaWAN CN470 band
222 -* **PP**: Peer to Peer LoRa Protocol
223 223  
224 -== Package Info ==
192 +=== 1.8.1  Items needed for update ===
225 225  
226 -* LA66 LoRaWAN Shield x 1
227 -* RF Antenna x 1
228 228  
195 +1. LA66 LoRaWAN Shield
196 +1. Arduino
197 +1. USB TO TTL Adapter
229 229  
199 +[[image:image-20220602100052-2.png||height="385" width="600"]]
230 230  
231 231  
232 -= LA66 USB LoRaWAN Adapter =
233 233  
234 -== Overview ==
203 +=== 1.8.2  Connection ===
235 235  
236 -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.
237 237  
206 +[[image:image-20220602101311-3.png||height="276" width="600"]]
238 238  
239 -== Features ==
240 240  
241 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
242 -* Ultra-long RF range
243 -* Support LoRaWAN v1.0.4 protocol
244 -* Support peer-to-peer protocol
245 -* TCXO crystal to ensure RF performance on low temperature
246 -* Spring RF antenna
247 -* Available in different frequency LoRaWAN frequency bands.
248 -* World-wide unique OTAA keys.
249 -* AT Command via UART-TTL interface
250 -* Firmware upgradable via UART interface
209 +(((
210 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 +)))
251 251  
213 +(((
214 +(% style="background-color:yellow" %)**GND  <-> GND
215 +TXD  <->  TXD
216 +RXD  <->  RXD**
217 +)))
252 252  
253 253  
254 -== Specification ==
220 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
255 255  
256 -* CPU: 32-bit 48 MHz
257 -* Flash: 256KB
258 -* RAM: 64KB
259 -* Input Power Range: 5v
260 -* Frequency Range: 150 MHz ~~ 960 MHz
261 -* Maximum Power +22 dBm constant RF output
262 -* High sensitivity: -148 dBm
263 -* Temperature:
264 -** Storage: -55 ~~ +125℃
265 -** Operating: -40 ~~ +85℃
266 -* Humidity:
267 -** Storage: 5 ~~ 95% (Non-Condensing)
268 -** Operating: 10 ~~ 95% (Non-Condensing)
269 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 -* LoRa Rx current: <9 mA
222 +Connect USB TTL Adapter to PC after connecting the wires
271 271  
272 272  
225 +[[image:image-20220602102240-4.png||height="304" width="600"]]
273 273  
274 -== Pin Mapping & LED ==
275 275  
276 -== Example Send & Get Messages via LoRaWAN in PC ==
277 277  
278 -Connect the LA66 LoRa Shield to the PC
229 +=== 1.8.3  Upgrade steps ===
279 279  
280 -[[image:image-20220602171217-1.png||height="615" width="915"]]
281 281  
282 -Open the serial port tool
232 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
283 283  
284 -[[image:image-20220602161617-8.png]]
285 285  
286 -[[image:image-20220602161718-9.png||height="529" width="927"]]
235 +[[image:image-20220602102824-5.png||height="306" width="600"]]
287 287  
288 -Press the reset switch RST on the LA66 LoRa Shield.
289 289  
290 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
291 291  
292 -[[image:image-20220602161935-10.png]]
239 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
293 293  
294 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
295 295  
296 -example: AT+SENDB=01,02,8,05820802581ea0a5
242 +[[image:image-20220602104701-12.png||height="285" width="600"]]
297 297  
298 -[[image:image-20220602162157-11.png]]
299 299  
300 -Check to see if TTN received the message
301 301  
302 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
246 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
303 303  
304 -== Example Send & Get Messages via LoRaWAN in RPi ==
305 305  
306 -Connect the LA66 LoRa Shield to the RPI
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 +)))
307 307  
308 -[[image:image-20220602171233-2.png||height="592" width="881"]]
309 309  
310 -Log in to the RPI's terminal and connect to the serial port
254 +[[image:image-20220602103227-6.png]]
311 311  
312 -[[image:image-20220602153146-3.png]]
313 313  
314 -Press the reset switch RST on the LA66 LoRa Shield.
315 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
257 +[[image:image-20220602103357-7.png]]
316 316  
317 -[[image:image-20220602154928-5.png]]
318 318  
319 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
320 320  
321 -example: AT+SENDB=01,02,8,05820802581ea0a5
261 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
322 322  
323 -[[image:image-20220602160339-6.png]]
324 324  
325 -Check to see if TTN received the message
265 +[[image:image-20220602103844-8.png]]
326 326  
327 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
328 328  
329 -=== Install Minicom ===
330 330  
331 -Enter the following command in the RPI terminal
269 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 +(% style="color:blue" %)**3. Select the bin file to burn**
332 332  
333 -apt update
334 334  
335 -[[image:image-20220602143155-1.png]]
273 +[[image:image-20220602104144-9.png]]
336 336  
337 -apt install minicom
338 338  
339 -[[image:image-20220602143744-2.png]]
276 +[[image:image-20220602104251-10.png]]
340 340  
341 -=== Send PC's CPU/RAM usage to TTN via script. ===
342 342  
343 -==== Take python as an example： ====
279 +[[image:image-20220602104402-11.png]]
344 344  
345 -===== Preconditions: =====
346 346  
347 -1.LA66 USB LoRaWAN Adapter works fine
348 348  
349 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
283 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 +(% style="color:blue" %)**4. Click to start the download**
350 350  
351 -===== Steps for usage =====
286 +[[image:image-20220602104923-13.png]]
352 352  
353 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
354 354  
355 -2.Run the script and see the TTN
356 356  
357 -[[image:image-20220602115852-3.png]]
290 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 +(% style="color:blue" %)**5. Check update process**
358 358  
359 359  
294 +[[image:image-20220602104948-14.png]]
360 360  
361 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
362 362  
363 363  
364 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
298 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 +(% style="color:blue" %)**The following picture shows that the burning is successful**
365 365  
301 +[[image:image-20220602105251-15.png]]
366 366  
367 367  
368 -== Order Info ==
369 369  
370 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
305 += 2.  FAQ =
371 371  
372 -**XX**: The default frequency band
373 373  
374 -* **AS923**: LoRaWAN AS923 band
375 -* **AU915**: LoRaWAN AU915 band
376 -* **EU433**: LoRaWAN EU433 band
377 -* **EU868**: LoRaWAN EU868 band
378 -* **KR920**: LoRaWAN KR920 band
379 -* **US915**: LoRaWAN US915 band
380 -* **IN865**: LoRaWAN IN865 band
381 -* **CN470**: LoRaWAN CN470 band
382 -* **PP**: Peer to Peer LoRa Protocol
308 +== 2.1  How to Compile Source Code for LA66? ==
383 383  
384 -== Package Info ==
385 385  
386 -* LA66 USB LoRaWAN Adapter x 1
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]]
387 387  
388 -
313 +
314 +
315 += 3.  Order Info =
316 +
317 +
318 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 +
320 +
321 +(% style="color:blue" %)**XXX**(%%): The default frequency band
322 +
323 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 +
333 +
334 +
335 += 4.  Reference =
336 +
337 +
338 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
image-20220715000242-1.png
Author
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