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Last modified by Xiaoling on 2023/05/26 14:19
From version 150.1
edited by Edwin Chen
on 2022/08/20 11:23
Change comment: Uploaded new attachment "image-20220820112305-1.png", version {1}
To version 74.1
edited by Edwin Chen
on 2022/07/03 00:16
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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
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,260 +88,336 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
52 +== AT Command ==
91 91  
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 -== 1.4  Pin Mapping & LED ==
94 94  
57 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
62 +== Pin Mapping ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
64 +[[image:image-20220523101537-1.png]]
103 103  
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
71 +== Order Info ==
108 108  
109 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
110 110  
75 +**XX**: The default frequency band
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
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  
87 += LA66 LoRaWAN Shield =
114 114  
89 +== Overview ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
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  
118 118  
119 -[[image:image-20220723170545-4.png]]
94 +== Features ==
120 120  
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
121 121  
107 +== Specification ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
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  
127 +== Pin Mapping & LED ==
125 125  
126 -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]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
129 129  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
130 130  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
131 131  
132 -(% 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**
137 +=== Items needed for update ===
133 133  
134 -[[image:image-20220726135356-2.png]]
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
135 135  
143 +[[image:image-20220602100052-2.png||height="341" width="531"]]
136 136  
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
146 +=== Connection ===
139 139  
148 +[[image:image-20220602101311-3.png||height="350" width="760"]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
151 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 +GND  <-----> GND
153 +TXD  <-----> TXD
154 +RXD  <-----> RXD
143 143  
156 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
158 +Connect to the PC after connecting the wires
146 146  
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
162 +[[image:image-20220602102240-4.png]]
150 150  
151 -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]]
164 +=== Upgrade steps ===
152 152  
166 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
153 153  
154 -[[image:image-20220723172502-8.png]]
168 +[[image:image-20220602102824-5.png]]
155 155  
170 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
172 +[[image:image-20220602104701-12.png]]
157 157  
158 -(% 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**
174 +==== Open the upgrade application software ====
159 159  
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/]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
178 +[[image:image-20220602103227-6.png]]
162 162  
180 +[[image:image-20220602103357-7.png]]
163 163  
182 +===== Select the COM port corresponding to USB TTL =====
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
184 +[[image:image-20220602103844-8.png]]
166 166  
186 +===== Select the bin file to burn =====
167 167  
168 -(% style="color:blue" %)**1.  Open project**
188 +[[image:image-20220602104144-9.png]]
169 169  
190 +[[image:image-20220602104251-10.png]]
170 170  
171 -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]]
192 +[[image:image-20220602104402-11.png]]
172 172  
194 +===== Click to start the download =====
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
196 +[[image:image-20220602104923-13.png]]
175 175  
198 +===== The following figure appears to prove that the burning is in progress =====
176 176  
200 +[[image:image-20220602104948-14.png]]
177 177  
178 -(% 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**
202 +===== The following picture appears to prove that the burning is successful =====
179 179  
204 +[[image:image-20220602105251-15.png]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 182  
207 +== Order Info ==
183 183  
209 +Part Number: **LA66-LoRaWAN-Shield-XXX**
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
211 +**XX**: The default frequency band
186 186  
187 -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/]]
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 -[[image:image-20220723175700-12.png||height="602" width="995"]]
223 +== Package Info ==
190 190  
225 +* LA66 LoRaWAN Shield x 1
226 +* RF Antenna x 1
191 191  
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
230 += LA66 USB LoRaWAN Adapter =
195 195  
196 -=== 1.8.1  Items needed for update ===
232 +== Overview ==
197 197  
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.
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
237 +== Features ==
204 204  
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
205 205  
206 206  
207 -=== 1.8.2  Connection ===
251 +== Specification ==
208 208  
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
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
211 211  
270 +== Pin Mapping & LED ==
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
272 +== Example Send & Get Messages via LoRaWAN in PC ==
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
274 +Connect the LA66 LoRa Shield to the PC
222 222  
276 +[[image:image-20220602171217-1.png||height="615" width="915"]]
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
278 +Open the serial port tool
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
280 +[[image:image-20220602161617-8.png]]
227 227  
282 +[[image:image-20220602161718-9.png||height="529" width="927"]]
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
284 +Press the reset switch RST on the LA66 LoRa Shield.
230 230  
286 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
231 231  
288 +[[image:image-20220602161935-10.png]]
232 232  
233 -=== 1.8.3  Upgrade steps ===
290 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
234 234  
292 +example: AT+SENDB=01,02,8,05820802581ea0a5
235 235  
294 +[[image:image-20220602162157-11.png]]
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
296 +Check to see if TTN received the message
238 238  
298 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 +== Example Send & Get Messages via LoRaWAN in RPi ==
241 241  
302 +Connect the LA66 LoRa Shield to the RPI
242 242  
304 +[[image:image-20220602171233-2.png||height="592" width="881"]]
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
306 +Log in to the RPI's terminal and connect to the serial port
245 245  
308 +[[image:image-20220602153146-3.png]]
246 246  
247 -[[image:image-20220817085447-1.png]]
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  
313 +[[image:image-20220602154928-5.png]]
249 249  
315 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
250 250  
317 +example: AT+SENDB=01,02,8,05820802581ea0a5
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
319 +[[image:image-20220602160339-6.png]]
253 253  
321 +Check to see if TTN received the message
254 254  
255 -(((
256 -(% 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/]]**
257 -)))
323 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
258 258  
325 +=== Install Minicom ===
259 259  
260 -[[image:image-20220602103227-6.png]]
327 +Enter the following command in the RPI terminal
261 261  
329 +apt update
262 262  
263 -[[image:image-20220602103357-7.png]]
331 +[[image:image-20220602143155-1.png]]
264 264  
333 +apt install minicom
265 265  
335 +[[image:image-20220602143744-2.png]]
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
337 +=== Send PC's CPU/RAM usage to TTN via script. ===
269 269  
339 +==== Take python as an example： ====
270 270  
271 -[[image:image-20220602103844-8.png]]
341 +===== Preconditions: =====
272 272  
343 +1.LA66 USB LoRaWAN Adapter works fine
273 273  
345 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
347 +===== Steps for usage =====
277 277  
349 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
278 278  
279 -[[image:image-20220602104144-9.png]]
351 +2.Run the script and see the TTN
280 280  
353 +[[image:image-20220602115852-3.png]]
281 281  
282 -[[image:image-20220602104251-10.png]]
283 283  
284 284  
285 -[[image:image-20220602104402-11.png]]
357 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
286 286  
287 287  
360 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
291 291  
292 -[[image:image-20220602104923-13.png]]
293 293  
364 +== Order Info ==
294 294  
366 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
368 +**XX**: The default frequency band
298 298  
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
299 299  
300 -[[image:image-20220602104948-14.png]]
380 +== Package Info ==
301 301  
382 +* LA66 USB LoRaWAN Adapter x 1
302 302  
303 -
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
306 -
307 -[[image:image-20220602105251-15.png]]
308 -
309 -
310 -
311 -= 2.  FAQ =
312 -
313 -
314 -== 2.1  How to Compile Source Code for LA66? ==
315 -
316 -
317 -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]]
318 -
319 -
320 -
321 -= 3.  Order Info =
322 -
323 -
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 -
326 -
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
328 -
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
338 -
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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