Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.7 >
edited by Xiaoling
on 2022/08/16 14:19
To version < 75.1 >
edited by Edwin Chen
on 2022/07/03 00:21
>
Change comment: There is no comment for this version

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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 58  * 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
... ... @@ -89,253 +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-20220814101457-1.png||height="553" width="761"]]
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
62 +== Pin Mapping ==
103 103  
64 +[[image:image-20220523101537-1.png]]
104 104  
66 +== Land Pattern ==
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
107 107  
108 108  
109 -**Show connection diagram：**
71 +== Order Info ==
110 110  
73 +Part Number: **LA66-XXX**
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
113 113  
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  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Overview ==
117 117  
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 -[[image:image-20220723170545-4.png]]
120 120  
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  
123 -(% style="color:blue" %)**2.  Open project**
107 +== Specification ==
124 124  
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  
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]]
127 +== Pin Mapping & LED ==
127 127  
128 -[[image:image-20220726135239-1.png]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
129 129  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
131 -(% 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**
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
132 132  
133 -[[image:image-20220726135356-2.png]]
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
134 134  
137 +=== Items needed for update ===
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
137 137  
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
140 140  
146 +=== Connection ===
141 141  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
144 144  
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
145 145  
146 -(% style="color:blue" %)**1.  Open project**
157 +Connect USB TTL Adapter to PC after connecting the wires
147 147  
148 148  
149 -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]]
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
150 150  
151 151  
152 -[[image:image-20220723172502-8.png]]
163 +=== Upgrade steps ===
153 153  
165 +==== Switch SW1 to put in ISP position ====
154 154  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
155 155  
156 -(% 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**
157 157  
170 +==== Press the RST switch once ====
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
160 160  
161 161  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC ====
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
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/]]
164 164  
179 +[[image:image-20220602103227-6.png]]
165 165  
166 -(% style="color:blue" %)**1.  Open project**
181 +[[image:image-20220602103357-7.png]]
167 167  
183 +===== Select the COM port corresponding to USB TTL =====
168 168  
169 -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 +[[image:image-20220602103844-8.png]]
170 170  
187 +===== Select the bin file to burn =====
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
189 +[[image:image-20220602104144-9.png]]
173 173  
191 +[[image:image-20220602104251-10.png]]
174 174  
193 +[[image:image-20220602104402-11.png]]
175 175  
176 -(% 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 +===== Click to start the download =====
177 177  
197 +[[image:image-20220602104923-13.png]]
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
199 +===== The following figure appears to prove that the burning is in progress =====
180 180  
201 +[[image:image-20220602104948-14.png]]
181 181  
203 +===== The following picture appears to prove that the burning is successful =====
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
205 +[[image:image-20220602105251-15.png]]
184 184  
185 -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/]]
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
208 +== Order Info ==
188 188  
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
189 189  
212 +**XX**: The default frequency band
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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
192 192  
224 +== Package Info ==
193 193  
194 -=== 1.8.1  Items needed for update ===
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
195 195  
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
230 += LA66 USB LoRaWAN Adapter =
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
232 +== Overview ==
202 202  
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  
205 -=== 1.8.2  Connection ===
237 +== Features ==
206 206  
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  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
250 +== Specification ==
209 209  
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  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
268 +== Pin Mapping & LED ==
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
270 +== Example Send & Get Messages via LoRaWAN in PC ==
220 220  
272 +Connect the LA66 LoRa Shield to the PC
221 221  
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
274 +[[image:image-20220602171217-1.png||height="615" width="915"]]
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
276 +Open the serial port tool
225 225  
278 +[[image:image-20220602161617-8.png]]
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
280 +[[image:image-20220602161718-9.png||height="529" width="927"]]
228 228  
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  
231 -=== 2.8.3  Upgrade steps ===
286 +[[image:image-20220602161935-10.png]]
232 232  
288 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
290 +example: AT+SENDB=01,02,8,05820802581ea0a5
235 235  
292 +[[image:image-20220602162157-11.png]]
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
294 +Check to see if TTN received the message
238 238  
296 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
239 239  
298 +== Example Send & Get Messages via LoRaWAN in RPi ==
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
300 +Connect the LA66 LoRa Shield to the RPI
242 242  
302 +[[image:image-20220602171233-2.png||height="592" width="881"]]
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
304 +Log in to the RPI's terminal and connect to the serial port
245 245  
306 +[[image:image-20220602153146-3.png]]
246 246  
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  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
311 +[[image:image-20220602154928-5.png]]
249 249  
313 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
250 250  
251 -(((
252 -(% 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/]]**
253 -)))
315 +example: AT+SENDB=01,02,8,05820802581ea0a5
254 254  
317 +[[image:image-20220602160339-6.png]]
255 255  
256 -[[image:image-20220602103227-6.png]]
319 +Check to see if TTN received the message
257 257  
321 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
258 258  
259 -[[image:image-20220602103357-7.png]]
323 +=== Install Minicom ===
260 260  
325 +Enter the following command in the RPI terminal
261 261  
327 +apt update
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
329 +[[image:image-20220602143155-1.png]]
265 265  
331 +apt install minicom
266 266  
267 -[[image:image-20220602103844-8.png]]
333 +[[image:image-20220602143744-2.png]]
268 268  
335 +=== Send PC's CPU/RAM usage to TTN via script. ===
269 269  
337 +==== Take python as an example： ====
270 270  
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
339 +===== Preconditions: =====
273 273  
341 +1.LA66 USB LoRaWAN Adapter works fine
274 274  
275 -[[image:image-20220602104144-9.png]]
343 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
276 276  
345 +===== Steps for usage =====
277 277  
278 -[[image:image-20220602104251-10.png]]
347 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
279 279  
349 +2.Run the script and see the TTN
280 280  
281 -[[image:image-20220602104402-11.png]]
351 +[[image:image-20220602115852-3.png]]
282 282  
283 283  
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
355 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
287 287  
288 -[[image:image-20220602104923-13.png]]
289 289  
358 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
290 290  
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
294 294  
362 +== Order Info ==
295 295  
296 -[[image:image-20220602104948-14.png]]
364 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
297 297  
366 +**XX**: The default frequency band
298 298  
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
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
378 +== Package Info ==
302 302  
303 -[[image:image-20220602105251-15.png]]
380 +* LA66 USB LoRaWAN Adapter x 1
304 304  
305 -
306 -
307 -= 2.  FAQ =
308 -
309 -
310 -== 2.1  How to Compile Source Code for LA66? ==
311 -
312 -
313 -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]]
314 -
315 -
316 -
317 -= 3.  Order Info =
318 -
319 -
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
321 -
322 -
323 -(% style="color:blue" %)**XXX**(%%): The default frequency band
324 -
325 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
326 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
327 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
328 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
329 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
330 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
331 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
332 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334 -
335 -
336 -
337 -
338 -= 4.  Reference =
339 -
340 -
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
382 +
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