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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.3
edited by Xiaoling
on 2022/08/17 09:29
Change comment: There is no comment for this version
To version 74.1
edited by Edwin Chen
on 2022/07/03 00:16
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
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -1,64 +1,28 @@
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
... ... @@ -65,12 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -
71 -== 1.3  Specification ==
72 -
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,260 +89,336 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
52 +== AT Command ==
92 92  
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.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
96 96  
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220817085048-1.png]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Order Info ==
109 109  
73 +Part Number: **LA66-XXX**
110 110  
111 -**Show connection diagram：**
75 +**XX**: The default frequency band
112 112  
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
113 113  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
87 += LA66 LoRaWAN Shield =
115 115  
89 +== Overview ==
116 116  
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.
117 117  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
119 119  
94 +== Features ==
120 120  
121 -[[image:image-20220723170545-4.png]]
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
122 122  
107 +== Specification ==
123 123  
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
124 124  
125 -(% style="color:blue" %)**2.  Open project**
127 +== Pin Mapping & LED ==
126 126  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 127  
128 -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]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
129 129  
130 -[[image:image-20220726135239-1.png]]
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
131 131  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
132 132  
137 +=== Items needed for update ===
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**
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
135 135  
136 -[[image:image-20220726135356-2.png]]
143 +[[image:image-20220602100052-2.png||height="341" width="531"]]
137 137  
138 138  
146 +=== Connection ===
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
148 +[[image:image-20220602101311-3.png||height="350" width="760"]]
141 141  
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
151 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 +GND  <-----> GND
153 +TXD  <-----> TXD
154 +RXD  <-----> RXD
144 144  
156 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
145 145  
158 +Connect to the PC after connecting the wires
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 148  
149 149  
150 -(% style="color:blue" %)**1.  Open project**
162 +[[image:image-20220602102240-4.png]]
151 151  
164 +=== Upgrade steps ===
152 152  
153 -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]]
166 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
154 154  
168 +[[image:image-20220602102824-5.png]]
155 155  
156 -[[image:image-20220723172502-8.png]]
170 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
157 157  
172 +[[image:image-20220602104701-12.png]]
158 158  
174 +==== Open the upgrade application software ====
159 159  
160 -(% 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**
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/]]
161 161  
178 +[[image:image-20220602103227-6.png]]
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
180 +[[image:image-20220602103357-7.png]]
164 164  
182 +===== Select the COM port corresponding to USB TTL =====
165 165  
184 +[[image:image-20220602103844-8.png]]
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
186 +===== Select the bin file to burn =====
168 168  
188 +[[image:image-20220602104144-9.png]]
169 169  
170 -(% style="color:blue" %)**1.  Open project**
190 +[[image:image-20220602104251-10.png]]
171 171  
192 +[[image:image-20220602104402-11.png]]
172 172  
173 -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]]
194 +===== Click to start the download =====
174 174  
196 +[[image:image-20220602104923-13.png]]
175 175  
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
198 +===== The following figure appears to prove that the burning is in progress =====
177 177  
200 +[[image:image-20220602104948-14.png]]
178 178  
202 +===== The following picture appears to prove that the burning is successful =====
179 179  
180 -(% 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**
204 +[[image:image-20220602105251-15.png]]
181 181  
182 182  
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
207 +== Order Info ==
184 184  
209 +Part Number: **LA66-LoRaWAN-Shield-XXX**
185 185  
211 +**XX**: The default frequency band
186 186  
187 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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
188 188  
189 -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/]]
223 +== Package Info ==
190 190  
191 -[[image:image-20220723175700-12.png||height="602" width="995"]]
225 +* LA66 LoRaWAN Shield x 1
226 +* RF Antenna x 1
192 192  
193 193  
194 194  
195 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
230 += LA66 USB LoRaWAN Adapter =
196 196  
232 +== Overview ==
197 197  
198 -=== 1.8.1  Items needed for update ===
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.
199 199  
200 200  
201 -1. LA66 LoRaWAN Shield
202 -1. Arduino
203 -1. USB TO TTL Adapter
237 +== Features ==
204 204  
205 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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
206 206  
207 207  
251 +== Specification ==
208 208  
209 -=== 1.8.2  Connection ===
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
210 210  
211 211  
212 -[[image:image-20220602101311-3.png||height="276" width="600"]]
270 +== Pin Mapping & LED ==
213 213  
272 +== Example Send & Get Messages via LoRaWAN in PC ==
214 214  
215 -(((
216 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
217 -)))
274 +Connect the LA66 LoRa Shield to the PC
218 218  
219 -(((
220 -(% style="background-color:yellow" %)**GND  <-> GND
221 -TXD  <->  TXD
222 -RXD  <->  RXD**
223 -)))
276 +[[image:image-20220602171217-1.png||height="615" width="915"]]
224 224  
278 +Open the serial port tool
225 225  
226 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
280 +[[image:image-20220602161617-8.png]]
227 227  
228 -Connect USB TTL Adapter to PC after connecting the wires
282 +[[image:image-20220602161718-9.png||height="529" width="927"]]
229 229  
284 +Press the reset switch RST on the LA66 LoRa Shield.
230 230  
231 -[[image:image-20220602102240-4.png||height="304" width="600"]]
286 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
232 232  
288 +[[image:image-20220602161935-10.png]]
233 233  
290 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
234 234  
235 -=== 1.8.3  Upgrade steps ===
292 +example: AT+SENDB=01,02,8,05820802581ea0a5
236 236  
294 +[[image:image-20220602162157-11.png]]
237 237  
296 +Check to see if TTN received the message
238 238  
239 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
298 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
240 240  
300 +== Example Send & Get Messages via LoRaWAN in RPi ==
241 241  
242 -[[image:image-20220602102824-5.png||height="306" width="600"]]
302 +Connect the LA66 LoRa Shield to the RPI
243 243  
304 +[[image:image-20220602171233-2.png||height="592" width="881"]]
244 244  
306 +Log in to the RPI's terminal and connect to the serial port
245 245  
246 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
308 +[[image:image-20220602153146-3.png]]
247 247  
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
248 248  
249 -[[image:image-20220817085447-1.png]]
313 +[[image:image-20220602154928-5.png]]
250 250  
315 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
251 251  
317 +example: AT+SENDB=01,02,8,05820802581ea0a5
252 252  
319 +[[image:image-20220602160339-6.png]]
253 253  
254 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
321 +Check to see if TTN received the message
255 255  
323 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
256 256  
257 -(((
258 -(% 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/]]**
259 -)))
325 +=== Install Minicom ===
260 260  
327 +Enter the following command in the RPI terminal
261 261  
262 -[[image:image-20220602103227-6.png]]
329 +apt update
263 263  
331 +[[image:image-20220602143155-1.png]]
264 264  
265 -[[image:image-20220602103357-7.png]]
333 +apt install minicom
266 266  
335 +[[image:image-20220602143744-2.png]]
267 267  
337 +=== Send PC's CPU/RAM usage to TTN via script. ===
268 268  
269 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
270 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
339 +==== Take python as an example： ====
271 271  
341 +===== Preconditions: =====
272 272  
273 -[[image:image-20220602103844-8.png]]
343 +1.LA66 USB LoRaWAN Adapter works fine
274 274  
345 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
275 275  
347 +===== Steps for usage =====
276 276  
277 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
278 -(% style="color:blue" %)**3. Select the bin file to burn**
349 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
279 279  
351 +2.Run the script and see the TTN
280 280  
281 -[[image:image-20220602104144-9.png]]
353 +[[image:image-20220602115852-3.png]]
282 282  
283 283  
284 -[[image:image-20220602104251-10.png]]
285 285  
357 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
286 286  
287 -[[image:image-20220602104402-11.png]]
288 288  
360 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
289 289  
290 290  
291 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
292 -(% style="color:blue" %)**4. Click to start the download**
293 293  
294 -[[image:image-20220602104923-13.png]]
364 +== Order Info ==
295 295  
366 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
296 296  
368 +**XX**: The default frequency band
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
299 -(% style="color:blue" %)**5. Check update process**
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
300 300  
380 +== Package Info ==
301 301  
302 -[[image:image-20220602104948-14.png]]
382 +* LA66 USB LoRaWAN Adapter x 1
303 303  
304 -
305 -
306 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
307 -(% style="color:blue" %)**The following picture shows that the burning is successful**
308 -
309 -[[image:image-20220602105251-15.png]]
310 -
311 -
312 -
313 -= 2.  FAQ =
314 -
315 -
316 -== 2.1  How to Compile Source Code for LA66? ==
317 -
318 -
319 -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]]
320 -
321 -
322 -
323 -= 3.  Order Info =
324 -
325 -
326 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
327 -
328 -
329 -(% style="color:blue" %)**XXX**(%%): The default frequency band
330 -
331 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
332 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
333 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
334 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
335 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
336 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
337 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
338 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
339 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
340 -
341 -
342 -
343 -= 4.  Reference =
344 -
345 -
346 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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