Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 74.1 >
edited by Edwin Chen
on 2022/07/03 00:16
To version < 146.10 >
edited by Xiaoling
on 2022/08/16 14:22
>
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Summary

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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
... ... @@ -1,28 +1,64 @@
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  
22 -* Support LoRaWAN v1.0.4 protocol
54 +== 1.2  Features ==
55 +
56 +
57 +* Arduino Shield base on LA66 LoRaWAN module
58 +* Support LoRaWAN v1.0.3 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
... ... @@ -49,336 +49,252 @@
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 -=== Items needed for update ===
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
140 -1. Arduino
141 -1. USB TO TTL Adapter
142 142  
143 -[[image:image-20220602100052-2.png||height="341" width="531"]]
137 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
144 144  
145 145  
146 -=== Connection ===
147 147  
148 -[[image:image-20220602101311-3.png||height="350" width="760"]]
141 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
149 149  
150 150  
151 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 -GND  <-----> GND
153 -TXD  <-----> TXD
154 -RXD  <-----> RXD
144 +(% style="color:blue" %)**1.  Open project**
155 155  
156 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
157 157  
158 -Connect to the PC after connecting the wires
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]]
159 159  
160 160  
150 +[[image:image-20220723172502-8.png]]
161 161  
162 -[[image:image-20220602102240-4.png]]
163 163  
164 -=== Upgrade steps ===
165 165  
166 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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**
167 167  
168 -[[image:image-20220602102824-5.png]]
169 169  
170 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
157 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
171 171  
172 -[[image:image-20220602104701-12.png]]
173 173  
174 -==== Open the upgrade application software ====
175 175  
176 -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/]]
161 +== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
177 177  
178 -[[image:image-20220602103227-6.png]]
179 179  
180 -[[image:image-20220602103357-7.png]]
164 +(% style="color:blue" %)**1.  Open project**
181 181  
182 -===== Select the COM port corresponding to USB TTL =====
183 183  
184 -[[image:image-20220602103844-8.png]]
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]]
185 185  
186 -===== Select the bin file to burn =====
187 187  
188 -[[image:image-20220602104144-9.png]]
170 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
189 189  
190 -[[image:image-20220602104251-10.png]]
191 191  
192 -[[image:image-20220602104402-11.png]]
193 193  
194 -===== Click to start the download =====
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**
195 195  
196 -[[image:image-20220602104923-13.png]]
197 197  
198 -===== The following figure appears to prove that the burning is in progress =====
177 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
199 199  
200 -[[image:image-20220602104948-14.png]]
201 201  
202 -===== The following picture appears to prove that the burning is successful =====
203 203  
204 -[[image:image-20220602105251-15.png]]
181 +(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
205 205  
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  
207 -== Order Info ==
185 +[[image:image-20220723175700-12.png||height="602" width="995"]]
208 208  
209 -Part Number: **LA66-LoRaWAN-Shield-XXX**
210 210  
211 -**XX**: The default frequency band
212 212  
213 -* **AS923**: LoRaWAN AS923 band
214 -* **AU915**: LoRaWAN AU915 band
215 -* **EU433**: LoRaWAN EU433 band
216 -* **EU868**: LoRaWAN EU868 band
217 -* **KR920**: LoRaWAN KR920 band
218 -* **US915**: LoRaWAN US915 band
219 -* **IN865**: LoRaWAN IN865 band
220 -* **CN470**: LoRaWAN CN470 band
221 -* **PP**: Peer to Peer LoRa Protocol
189 +== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
222 222  
223 -== Package Info ==
224 224  
225 -* LA66 LoRaWAN Shield x 1
226 -* RF Antenna x 1
192 +=== 1.8.1  Items needed for update ===
227 227  
228 228  
195 +1. LA66 LoRaWAN Shield
196 +1. Arduino
197 +1. USB TO TTL Adapter
229 229  
230 -= LA66 USB LoRaWAN Adapter =
199 +[[image:image-20220602100052-2.png||height="385" width="600"]]
231 231  
232 -== Overview ==
233 233  
234 -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.
235 235  
203 +=== 1.8.2  Connection ===
236 236  
237 -== Features ==
238 238  
239 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
240 -* Ultra-long RF range
241 -* Support LoRaWAN v1.0.4 protocol
242 -* Support peer-to-peer protocol
243 -* TCXO crystal to ensure RF performance on low temperature
244 -* Spring RF antenna
245 -* Available in different frequency LoRaWAN frequency bands.
246 -* World-wide unique OTAA keys.
247 -* AT Command via UART-TTL interface
248 -* Firmware upgradable via UART interface
206 +[[image:image-20220602101311-3.png||height="276" width="600"]]
249 249  
250 250  
251 -== Specification ==
209 +(((
210 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 +)))
252 252  
253 -* CPU: 32-bit 48 MHz
254 -* Flash: 256KB
255 -* RAM: 64KB
256 -* Input Power Range: 5v
257 -* Frequency Range: 150 MHz ~~ 960 MHz
258 -* Maximum Power +22 dBm constant RF output
259 -* High sensitivity: -148 dBm
260 -* Temperature:
261 -** Storage: -55 ~~ +125℃
262 -** Operating: -40 ~~ +85℃
263 -* Humidity:
264 -** Storage: 5 ~~ 95% (Non-Condensing)
265 -** Operating: 10 ~~ 95% (Non-Condensing)
266 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
267 -* LoRa Rx current: <9 mA
213 +(((
214 +(% style="background-color:yellow" %)**GND  <-> GND
215 +TXD  <->  TXD
216 +RXD  <->  RXD**
217 +)))
268 268  
269 269  
270 -== Pin Mapping & LED ==
220 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
271 271  
272 -== Example Send & Get Messages via LoRaWAN in PC ==
222 +Connect USB TTL Adapter to PC after connecting the wires
273 273  
274 -Connect the LA66 LoRa Shield to the PC
275 275  
276 -[[image:image-20220602171217-1.png||height="615" width="915"]]
225 +[[image:image-20220602102240-4.png||height="304" width="600"]]
277 277  
278 -Open the serial port tool
279 279  
280 -[[image:image-20220602161617-8.png]]
281 281  
282 -[[image:image-20220602161718-9.png||height="529" width="927"]]
229 +=== 1.8.3  Upgrade steps ===
283 283  
284 -Press the reset switch RST on the LA66 LoRa Shield.
285 285  
286 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
287 287  
288 -[[image:image-20220602161935-10.png]]
233 +==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
289 289  
290 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
291 291  
292 -example: AT+SENDB=01,02,8,05820802581ea0a5
236 +[[image:image-20220602102824-5.png||height="306" width="600"]]
293 293  
294 -[[image:image-20220602162157-11.png]]
295 295  
296 -Check to see if TTN received the message
297 297  
298 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
240 +==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
299 299  
300 -== Example Send & Get Messages via LoRaWAN in RPi ==
301 301  
302 -Connect the LA66 LoRa Shield to the RPI
243 +[[image:image-20220602104701-12.png||height="285" width="600"]]
303 303  
304 -[[image:image-20220602171233-2.png||height="592" width="881"]]
305 305  
306 -Log in to the RPI's terminal and connect to the serial port
307 307  
308 -[[image:image-20220602153146-3.png]]
247 +==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
309 309  
310 -Press the reset switch RST on the LA66 LoRa Shield.
311 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
312 312  
313 -[[image:image-20220602154928-5.png]]
250 +(((
251 +(% 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/]]**
252 +)))
314 314  
315 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
316 316  
317 -example: AT+SENDB=01,02,8,05820802581ea0a5
255 +[[image:image-20220602103227-6.png]]
318 318  
319 -[[image:image-20220602160339-6.png]]
320 320  
321 -Check to see if TTN received the message
258 +[[image:image-20220602103357-7.png]]
322 322  
323 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
324 324  
325 -=== Install Minicom ===
326 326  
327 -Enter the following command in the RPI terminal
262 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
328 328  
329 -apt update
330 330  
331 -[[image:image-20220602143155-1.png]]
266 +[[image:image-20220602103844-8.png]]
332 332  
333 -apt install minicom
334 334  
335 -[[image:image-20220602143744-2.png]]
336 336  
337 -=== Send PC's CPU/RAM usage to TTN via script. ===
270 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 +(% style="color:blue" %)**3. Select the bin file to burn**
338 338  
339 -==== Take python as an example： ====
340 340  
341 -===== Preconditions: =====
274 +[[image:image-20220602104144-9.png]]
342 342  
343 -1.LA66 USB LoRaWAN Adapter works fine
344 344  
345 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
277 +[[image:image-20220602104251-10.png]]
346 346  
347 -===== Steps for usage =====
348 348  
349 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
280 +[[image:image-20220602104402-11.png]]
350 350  
351 -2.Run the script and see the TTN
352 352  
353 -[[image:image-20220602115852-3.png]]
354 354  
284 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 +(% style="color:blue" %)**4. Click to start the download**
355 355  
287 +[[image:image-20220602104923-13.png]]
356 356  
357 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
358 358  
359 359  
360 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
291 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 +(% style="color:blue" %)**5. Check update process**
361 361  
362 362  
295 +[[image:image-20220602104948-14.png]]
363 363  
364 -== Order Info ==
365 365  
366 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
367 367  
368 -**XX**: The default frequency band
299 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 +(% style="color:blue" %)**The following picture shows that the burning is successful**
369 369  
370 -* **AS923**: LoRaWAN AS923 band
371 -* **AU915**: LoRaWAN AU915 band
372 -* **EU433**: LoRaWAN EU433 band
373 -* **EU868**: LoRaWAN EU868 band
374 -* **KR920**: LoRaWAN KR920 band
375 -* **US915**: LoRaWAN US915 band
376 -* **IN865**: LoRaWAN IN865 band
377 -* **CN470**: LoRaWAN CN470 band
378 -* **PP**: Peer to Peer LoRa Protocol
302 +[[image:image-20220602105251-15.png]]
379 379  
380 -== Package Info ==
381 381  
382 -* LA66 USB LoRaWAN Adapter x 1
383 383  
384 -
306 += 2.  FAQ =
307 +
308 +
309 +== 2.1  How to Compile Source Code for LA66? ==
310 +
311 +
312 +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]]
313 +
314 +
315 +
316 += 3.  Order Info =
317 +
318 +
319 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
320 +
321 +
322 +(% style="color:blue" %)**XXX**(%%): The default frequency band
323 +
324 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
325 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
326 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
327 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
328 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
329 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
330 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
331 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
332 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
333 +
334 +
335 +
336 += 4.  Reference =
337 +
338 +
339 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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