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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.1
edited by Edwin Chen
on 2022/09/24 13:43
Change comment: There is no comment for this version
To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version

Summary

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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 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
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.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
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 -(((
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  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* 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 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,10 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -== 1.3  Specification ==
70 -
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,326 +87,288 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
52 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
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.
92 92  
93 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
57 +== Dimension ==
95 95  
59 +[[image:image-20220517072526-1.png]]
96 96  
97 97  
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
62 +== Pin Mapping ==
101 101  
64 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Order Info ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
75 +**XX**: The default frequency band
111 111  
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
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
88 += LA66 LoRaWAN Shield =
115 115  
90 +== Overview ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +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.
118 118  
119 119  
120 -[[image:image-20220723170545-4.png]]
95 +== Features ==
121 121  
97 +* Arduino Shield base on LA66 LoRaWAN module
98 +* Support LoRaWAN v1.0.4 protocol
99 +* Support peer-to-peer protocol
100 +* TCXO crystal to ensure RF performance on low temperature
101 +* SMA connector
102 +* Available in different frequency LoRaWAN frequency bands.
103 +* World-wide unique OTAA keys.
104 +* AT Command via UART-TTL interface
105 +* Firmware upgradable via UART interface
106 +* Ultra-long RF range
122 122  
108 +== Specification ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
125 125  
128 +== Pin Mapping & LED ==
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]]
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
129 129  
130 -[[image:image-20220726135239-1.png]]
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
131 131  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
132 132  
138 +=== what needs to be used ===
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**
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
135 135  
142 +2.Arduino
136 136  
137 -[[image:image-20220726135356-2.png]]
144 +3.USB TO TTL
138 138  
146 +[[image:image-20220602100052-2.png]]
139 139  
148 +=== Wiring Schematic ===
140 140  
141 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
150 +[[image:image-20220602101311-3.png]]
142 142  
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
143 143  
144 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
154 +GND  >>>>>>>>>>>>GND
145 145  
156 +TXD  >>>>>>>>>>>>TXD
146 146  
158 +RXD  >>>>>>>>>>>>RXD
147 147  
148 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
149 149  
162 +Connect to the PC after connecting the wires
150 150  
151 -(% style="color:blue" %)**1.  Open project**
164 +[[image:image-20220602102240-4.png]]
152 152  
166 +=== Upgrade steps ===
153 153  
154 -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]]
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
155 155  
170 +[[image:image-20220602102824-5.png]]
156 156  
157 -[[image:image-20220723172502-8.png]]
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
158 158  
174 +[[image:image-20220602104701-12.png]]
159 159  
176 +==== Open the upgrade application software ====
160 160  
161 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
178 +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/]]
162 162  
180 +[[image:image-20220602103227-6.png]]
163 163  
164 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
182 +[[image:image-20220602103357-7.png]]
165 165  
184 +===== Select the COM port corresponding to USB TTL =====
166 166  
186 +[[image:image-20220602103844-8.png]]
167 167  
168 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
188 +===== Select the bin file to burn =====
169 169  
190 +[[image:image-20220602104144-9.png]]
170 170  
171 -(% style="color:blue" %)**1.  Open project**
192 +[[image:image-20220602104251-10.png]]
172 172  
194 +[[image:image-20220602104402-11.png]]
173 173  
174 -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]]
196 +===== Click to start the download =====
175 175  
198 +[[image:image-20220602104923-13.png]]
176 176  
177 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
200 +===== The following figure appears to prove that the burning is in progress =====
178 178  
202 +[[image:image-20220602104948-14.png]]
179 179  
204 +===== The following picture appears to prove that the burning is successful =====
180 180  
181 -(% 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**
206 +[[image:image-20220602105251-15.png]]
182 182  
208 +(% class="wikigeneratedid" %)
209 += =
183 183  
184 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
211 +== Order Info ==
185 185  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
186 186  
215 +**XX**: The default frequency band
187 187  
217 +* **AS923**: LoRaWAN AS923 band
218 +* **AU915**: LoRaWAN AU915 band
219 +* **EU433**: LoRaWAN EU433 band
220 +* **EU868**: LoRaWAN EU868 band
221 +* **KR920**: LoRaWAN KR920 band
222 +* **US915**: LoRaWAN US915 band
223 +* **IN865**: LoRaWAN IN865 band
224 +* **CN470**: LoRaWAN CN470 band
225 +* **PP**: Peer to Peer LoRa Protocol
188 188  
189 189  
190 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
191 191  
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
192 192  
193 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
194 194  
195 195  
196 -[[image:image-20220723175700-12.png||height="602" width="995"]]
197 197  
198 198  
238 += LA66 USB LoRaWAN Adapter =
199 199  
200 -== 1.8  Example: How to join helium ==
240 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
201 201  
242 +Before use, please make sure that the computer has installed the CP2102 driver
202 202  
203 -(% style="color:blue" %)**1.  Create a new device.**
244 +== Pin Mapping & LED ==
204 204  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
205 205  
206 -[[image:image-20220907165500-1.png||height="464" width="940"]]
248 +Connect the LA66 LoRa Shield to the PC
207 207  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
208 208  
252 +Open the serial port tool
209 209  
210 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
254 +[[image:image-20220602161617-8.png]]
211 211  
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
212 212  
213 -[[image:image-20220907165837-2.png||height="375" width="809"]]
258 +Press the reset switch RST on the LA66 LoRa Shield.
214 214  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
215 215  
262 +[[image:image-20220602161935-10.png]]
216 216  
217 -(% style="color:blue" %)**3.  Use AT commands.**
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 218  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
219 219  
220 -[[image:image-20220602100052-2.png||height="385" width="600"]]
268 +[[image:image-20220602162157-11.png]]
221 221  
270 +Check to see if TTN received the message
222 222  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
223 223  
224 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
225 225  
276 +Connect the LA66 LoRa Shield to the RPI
226 226  
227 -[[image:image-20220907170308-3.png||height="556" width="617"]]
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
228 228  
280 +Log in to the RPI's terminal and connect to the serial port
229 229  
282 +[[image:image-20220602153146-3.png]]
230 230  
231 -(% style="color:blue" %)**5.  Network successfully.**
284 +Press the reset switch RST on the LA66 LoRa Shield.
285 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
232 232  
287 +[[image:image-20220602154928-5.png]]
233 233  
234 -[[image:image-20220907170436-4.png]]
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
235 235  
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
236 236  
293 +[[image:image-20220602160339-6.png]]
237 237  
238 -(% style="color:blue" %)**6.  Send uplink using command**
295 +Check to see if TTN received the message
239 239  
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
240 240  
241 -[[image:image-20220912084334-1.png]]
299 +=== Install Minicom ===
242 242  
301 +Enter the following command in the RPI terminal
243 243  
244 -[[image:image-20220912084412-3.png]]
303 +apt update
245 245  
305 +[[image:image-20220602143155-1.png]]
246 246  
307 +apt install minicom
247 247  
248 -[[image:image-20220907170744-6.png||height="242" width="798"]]
309 +[[image:image-20220602143744-2.png]]
249 249  
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
250 250  
313 +==== Take python as an example： ====
251 251  
252 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
315 +===== Preconditions: =====
253 253  
317 +1.LA66 USB LoRaWAN Adapter works fine
254 254  
255 -=== 1.9.1  Items needed for update ===
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
256 256  
321 +===== Steps for usage =====
257 257  
258 -1. LA66 LoRaWAN Shield
259 -1. Arduino
260 -1. USB TO TTL Adapter
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
261 261  
262 -[[image:image-20220602100052-2.png||height="385" width="600"]]
325 +2.Run the script and see the TTN
263 263  
327 +[[image:image-20220602115852-3.png]]
264 264  
265 265  
266 -=== 1.9.2  Connection ===
267 267  
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
268 268  
269 -[[image:image-20220602101311-3.png||height="276" width="600"]]
270 270  
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
271 271  
272 -(((
273 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
274 -)))
275 -
276 -(((
277 -(% style="background-color:yellow" %)**GND  <-> GND
278 -TXD  <->  TXD
279 -RXD  <->  RXD**
280 -)))
281 -
282 -
283 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
284 -
285 -Connect USB TTL Adapter to PC after connecting the wires
286 -
287 -
288 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 -
290 -
291 -
292 -=== 1.9.3  Upgrade steps ===
293 -
294 -
295 -
296 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
297 -
298 -
299 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 -
301 -
302 -
303 -
304 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 -
306 -
307 -[[image:image-20220817085447-1.png]]
308 -
309 -
310 -
311 -
312 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 -
314 -
315 -
316 -(((
317 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
318 -)))
319 -
320 -
321 -[[image:image-20220602103227-6.png]]
322 -
323 -
324 -[[image:image-20220602103357-7.png]]
325 -
326 -
327 -
328 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
329 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
330 -
331 -
332 -[[image:image-20220602103844-8.png]]
333 -
334 -
335 -
336 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
337 -(% style="color:blue" %)**3.  Select the bin file to burn**
338 -
339 -
340 -[[image:image-20220602104144-9.png]]
341 -
342 -
343 -[[image:image-20220602104251-10.png]]
344 -
345 -
346 -[[image:image-20220602104402-11.png]]
347 -
348 -
349 -
350 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
351 -(% style="color:blue" %)**4.  Click to start the download**
352 -
353 -
354 -[[image:image-20220602104923-13.png]]
355 -
356 -
357 -
358 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
359 -(% style="color:blue" %)**5.  Check update process**
360 -
361 -
362 -[[image:image-20220602104948-14.png]]
363 -
364 -
365 -
366 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
367 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 -
369 -
370 -[[image:image-20220602105251-15.png]]
371 -
372 -
373 -
374 -= 2.  FAQ =
375 -
376 -
377 -== 2.1  How to Compile Source Code for LA66? ==
378 -
379 -
380 -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]]
381 -
382 -
383 -== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
384 -
385 -
386 -* [[Instruction for LA66 Peer to Peer firmware>>Instruction for LA66 Peer to Peer firmware]].
387 -
388 -= 3.  Order Info =
389 -
390 -
391 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
392 -
393 -
394 -(% style="color:blue" %)**XXX**(%%): The default frequency band
395 -
396 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
397 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
398 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
399 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
400 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
401 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
402 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
403 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
404 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
405 -
406 -
407 -= 4.  Reference =
408 -
409 -
410 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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