Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.1 >
edited by Xiaoling
on 2022/08/17 08:56
To version < 75.1 >
edited by Edwin Chen
on 2022/07/03 00:21
>
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
... ... @@ -89,257 +89,334 @@
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  
101 -~1. The LED lights up red when there is an upstream data packet
102 -2. When the network is successfully connected, the green light will be on for 5 seconds
103 -3. Purple light on when receiving downlink data packets
64 +[[image:image-20220523101537-1.png]]
104 104  
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
71 +== Order Info ==
109 109  
110 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
111 111  
75 +**XX**: The default frequency band
112 112  
113 -[[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
114 114  
87 += LA66 LoRaWAN Shield =
115 115  
89 +== Overview ==
116 116  
117 -(% 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.
118 118  
119 119  
120 -[[image:image-20220723170545-4.png]]
94 +== Features ==
121 121  
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  
124 -(% 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
125 125  
127 +== 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]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
129 -[[image:image-20220726135239-1.png]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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**
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
133 133  
134 -[[image:image-20220726135356-2.png]]
137 +=== Items needed for update ===
135 135  
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
138 138  
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
146 +=== Connection ===
141 141  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
142 142  
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
145 145  
157 +Connect USB TTL Adapter to PC after connecting the wires
146 146  
147 -(% style="color:blue" %)**1.  Open project**
148 148  
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
149 149  
150 -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]]
151 151  
163 +=== Upgrade steps ===
152 152  
153 -[[image:image-20220723172502-8.png]]
165 +==== Switch SW1 to put in ISP position ====
154 154  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
155 155  
156 156  
157 -(% 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**
170 +==== Press the RST switch once ====
158 158  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
161 161  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC ====
162 162  
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/]]
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
179 +[[image:image-20220602103227-6.png]]
165 165  
181 +[[image:image-20220602103357-7.png]]
166 166  
167 -(% style="color:blue" %)**1.  Open project**
183 +===== Select the COM port corresponding to USB TTL =====
168 168  
185 +[[image:image-20220602103844-8.png]]
169 169  
170 -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]]
187 +===== Select the bin file to burn =====
171 171  
189 +[[image:image-20220602104144-9.png]]
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
191 +[[image:image-20220602104251-10.png]]
174 174  
193 +[[image:image-20220602104402-11.png]]
175 175  
195 +===== Click to start the download =====
176 176  
177 -(% 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**
197 +[[image:image-20220602104923-13.png]]
178 178  
199 +===== The following figure appears to prove that the burning is in progress =====
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
201 +[[image:image-20220602104948-14.png]]
181 181  
203 +===== The following picture appears to prove that the burning is successful =====
182 182  
205 +[[image:image-20220602105251-15.png]]
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
185 185  
186 -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/]]
208 +== Order Info ==
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
189 189  
212 +**XX**: The default frequency band
190 190  
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
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
224 +== Package Info ==
193 193  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
194 194  
195 -=== 1.8.1  Items needed for update ===
196 196  
230 += LA66 USB LoRaWAN Adapter =
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
232 +== Overview ==
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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.
203 203  
204 204  
237 +== Features ==
205 205  
206 -=== 1.8.2  Connection ===
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
207 207  
250 +== Specification ==
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
252 +* CPU: 32-bit 48 MHz
253 +* Flash: 256KB
254 +* RAM: 64KB
255 +* Input Power Range: 5v
256 +* Frequency Range: 150 MHz ~~ 960 MHz
257 +* Maximum Power +22 dBm constant RF output
258 +* High sensitivity: -148 dBm
259 +* Temperature:
260 +** Storage: -55 ~~ +125℃
261 +** Operating: -40 ~~ +85℃
262 +* Humidity:
263 +** Storage: 5 ~~ 95% (Non-Condensing)
264 +** Operating: 10 ~~ 95% (Non-Condensing)
265 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
266 +* LoRa Rx current: <9 mA
210 210  
268 +== Pin Mapping & LED ==
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
270 +== Example Send & Get Messages via LoRaWAN in PC ==
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
272 +Connect the LA66 LoRa Shield to the PC
221 221  
274 +[[image:image-20220602171217-1.png||height="615" width="915"]]
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
276 +Open the serial port tool
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
278 +[[image:image-20220602161617-8.png]]
226 226  
280 +[[image:image-20220602161718-9.png||height="529" width="927"]]
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
282 +Press the reset switch RST on the LA66 LoRa Shield.
229 229  
284 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
230 230  
286 +[[image:image-20220602161935-10.png]]
231 231  
232 -=== 1.8.3  Upgrade steps ===
288 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 233  
290 +example: AT+SENDB=01,02,8,05820802581ea0a5
234 234  
292 +[[image:image-20220602162157-11.png]]
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
294 +Check to see if TTN received the message
237 237  
296 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
298 +== Example Send & Get Messages via LoRaWAN in RPi ==
240 240  
300 +Connect the LA66 LoRa Shield to the RPI
241 241  
302 +[[image:image-20220602171233-2.png||height="592" width="881"]]
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
304 +Log in to the RPI's terminal and connect to the serial port
244 244  
306 +[[image:image-20220602153146-3.png]]
245 245  
246 -[[image:image-20220817085447-1.png]]
308 +Press the reset switch RST on the LA66 LoRa Shield.
309 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
247 247  
311 +[[image:image-20220602154928-5.png]]
248 248  
313 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
249 249  
315 +example: AT+SENDB=01,02,8,05820802581ea0a5
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
317 +[[image:image-20220602160339-6.png]]
252 252  
319 +Check to see if TTN received the message
253 253  
254 -(((
255 -(% 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/]]**
256 -)))
321 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
257 257  
323 +=== Install Minicom ===
258 258  
259 -[[image:image-20220602103227-6.png]]
325 +Enter the following command in the RPI terminal
260 260  
327 +apt update
261 261  
262 -[[image:image-20220602103357-7.png]]
329 +[[image:image-20220602143155-1.png]]
263 263  
331 +apt install minicom
264 264  
333 +[[image:image-20220602143744-2.png]]
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
335 +=== Send PC's CPU/RAM usage to TTN via script. ===
268 268  
337 +==== Take python as an example： ====
269 269  
270 -[[image:image-20220602103844-8.png]]
339 +===== Preconditions: =====
271 271  
341 +1.LA66 USB LoRaWAN Adapter works fine
272 272  
343 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
345 +===== Steps for usage =====
276 276  
347 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
277 277  
278 -[[image:image-20220602104144-9.png]]
349 +2.Run the script and see the TTN
279 279  
351 +[[image:image-20220602115852-3.png]]
280 280  
281 -[[image:image-20220602104251-10.png]]
282 282  
283 283  
284 -[[image:image-20220602104402-11.png]]
355 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
285 285  
286 286  
358 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
290 290  
291 -[[image:image-20220602104923-13.png]]
292 292  
362 +== Order Info ==
293 293  
364 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
366 +**XX**: The default frequency band
297 297  
368 +* **AS923**: LoRaWAN AS923 band
369 +* **AU915**: LoRaWAN AU915 band
370 +* **EU433**: LoRaWAN EU433 band
371 +* **EU868**: LoRaWAN EU868 band
372 +* **KR920**: LoRaWAN KR920 band
373 +* **US915**: LoRaWAN US915 band
374 +* **IN865**: LoRaWAN IN865 band
375 +* **CN470**: LoRaWAN CN470 band
376 +* **PP**: Peer to Peer LoRa Protocol
298 298  
299 -[[image:image-20220602104948-14.png]]
378 +== Package Info ==
300 300  
380 +* LA66 USB LoRaWAN Adapter x 1
301 301  
302 -
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
305 -
306 -[[image:image-20220602105251-15.png]]
307 -
308 -
309 -
310 -= 2.  FAQ =
311 -
312 -
313 -== 2.1  How to Compile Source Code for LA66? ==
314 -
315 -
316 -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]]
317 -
318 -
319 -
320 -= 3.  Order Info =
321 -
322 -
323 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
324 -
325 -
326 -(% style="color:blue" %)**XXX**(%%): The default frequency band
327 -
328 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
329 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
330 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
331 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
332 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
333 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
334 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
335 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
336 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
337 -
338 -
339 -
340 -= 4.  Reference =
341 -
342 -
343 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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