Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 147.2 >
edited by Xiaoling
on 2022/08/17 08:50
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
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
... ... @@ -65,10 +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
... ... @@ -87,251 +87,336 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
52 +== AT Command ==
90 90  
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.
91 91  
92 92  
93 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
94 94  
59 +[[image:image-20220517072526-1.png]]
95 95  
96 -[[image:image-20220817085048-1.png]]
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  
66 +== Land Pattern ==
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -**Show connection diagram：**
71 +== Order Info ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
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  
87 += LA66 LoRaWAN Shield =
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Overview ==
115 115  
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.
116 116  
117 -[[image:image-20220723170545-4.png]]
118 118  
94 +== Features ==
119 119  
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
120 120  
121 -(% style="color:blue" %)**2.  Open project**
107 +== Specification ==
122 122  
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
123 123  
124 -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 ==
125 125  
126 -[[image:image-20220726135239-1.png]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 127  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
128 128  
129 -(% 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. ==
130 130  
131 -[[image:image-20220726135356-2.png]]
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
132 132  
137 +=== Items needed for update ===
133 133  
134 -(% 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
135 135  
143 +[[image:image-20220602100052-2.png||height="341" width="531"]]
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
138 138  
146 +=== Connection ===
139 139  
148 +[[image:image-20220602101311-3.png||height="350" width="760"]]
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
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  
144 -(% style="color:blue" %)**1.  Open project**
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 -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]]
148 148  
149 149  
150 -[[image:image-20220723172502-8.png]]
162 +[[image:image-20220602102240-4.png]]
151 151  
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 -(% 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**
168 +[[image:image-20220602102824-5.png]]
155 155  
170 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
172 +[[image:image-20220602104701-12.png]]
158 158  
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 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
178 +[[image:image-20220602103227-6.png]]
162 162  
180 +[[image:image-20220602103357-7.png]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
182 +===== Select the COM port corresponding to USB TTL =====
165 165  
184 +[[image:image-20220602103844-8.png]]
166 166  
167 -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]]
186 +===== Select the bin file to burn =====
168 168  
188 +[[image:image-20220602104144-9.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
190 +[[image:image-20220602104251-10.png]]
171 171  
192 +[[image:image-20220602104402-11.png]]
172 172  
194 +===== Click to start the download =====
173 173  
174 -(% 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**
196 +[[image:image-20220602104923-13.png]]
175 175  
198 +===== The following figure appears to prove that the burning is in progress =====
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
200 +[[image:image-20220602104948-14.png]]
178 178  
202 +===== The following picture appears to prove that the burning is successful =====
179 179  
204 +[[image:image-20220602105251-15.png]]
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
182 182  
183 -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/]]
207 +== Order Info ==
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
209 +Part Number: **LA66-LoRaWAN-Shield-XXX**
186 186  
211 +**XX**: The default frequency band
187 187  
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 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
223 +== Package Info ==
190 190  
225 +* LA66 LoRaWAN Shield x 1
226 +* RF Antenna x 1
191 191  
192 -=== 1.8.1  Items needed for update ===
193 193  
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
230 += LA66 USB LoRaWAN Adapter =
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
232 +== Overview ==
200 200  
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.
201 201  
202 202  
203 -=== 1.8.2  Connection ===
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 -[[image:image-20220602101311-3.png||height="276" width="600"]]
207 207  
251 +== Specification ==
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
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
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
218 218  
270 +== Pin Mapping & LED ==
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
272 +== Example Send & Get Messages via LoRaWAN in PC ==
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
274 +Connect the LA66 LoRa Shield to the PC
223 223  
276 +[[image:image-20220602171217-1.png||height="615" width="915"]]
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
278 +Open the serial port tool
226 226  
280 +[[image:image-20220602161617-8.png]]
227 227  
282 +[[image:image-20220602161718-9.png||height="529" width="927"]]
228 228  
229 -=== 1.8.3  Upgrade steps ===
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 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
290 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
234 234  
292 +example: AT+SENDB=01,02,8,05820802581ea0a5
235 235  
236 -[[image:image-20220602102824-5.png||height="306" width="600"]]
294 +[[image:image-20220602162157-11.png]]
237 237  
296 +Check to see if TTN received the message
238 238  
298 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
239 239  
240 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
300 +== Example Send & Get Messages via LoRaWAN in RPi ==
241 241  
302 +Connect the LA66 LoRa Shield to the RPI
242 242  
243 -[[image:image-20220602104701-12.png||height="285" width="600"]]
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  
308 +[[image:image-20220602153146-3.png]]
246 246  
247 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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  
250 -(((
251 -(% 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/]]**
252 -)))
315 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
253 253  
317 +example: AT+SENDB=01,02,8,05820802581ea0a5
254 254  
255 -[[image:image-20220602103227-6.png]]
319 +[[image:image-20220602160339-6.png]]
256 256  
321 +Check to see if TTN received the message
257 257  
258 -[[image:image-20220602103357-7.png]]
323 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
259 259  
325 +=== Install Minicom ===
260 260  
327 +Enter the following command in the RPI terminal
261 261  
262 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
329 +apt update
264 264  
331 +[[image:image-20220602143155-1.png]]
265 265  
266 -[[image:image-20220602103844-8.png]]
333 +apt install minicom
267 267  
335 +[[image:image-20220602143744-2.png]]
268 268  
337 +=== Send PC's CPU/RAM usage to TTN via script. ===
269 269  
270 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 -(% style="color:blue" %)**3. Select the bin file to burn**
339 +==== Take python as an example： ====
272 272  
341 +===== Preconditions: =====
273 273  
274 -[[image:image-20220602104144-9.png]]
343 +1.LA66 USB LoRaWAN Adapter works fine
275 275  
345 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
276 276  
277 -[[image:image-20220602104251-10.png]]
347 +===== Steps for usage =====
278 278  
349 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
279 279  
280 -[[image:image-20220602104402-11.png]]
351 +2.Run the script and see the TTN
281 281  
353 +[[image:image-20220602115852-3.png]]
282 282  
283 283  
284 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 -(% style="color:blue" %)**4. Click to start the download**
286 286  
287 -[[image:image-20220602104923-13.png]]
357 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
288 288  
289 289  
360 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
290 290  
291 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 -(% style="color:blue" %)**5. Check update process**
293 293  
294 294  
295 -[[image:image-20220602104948-14.png]]
364 +== Order Info ==
296 296  
366 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
297 297  
368 +**XX**: The default frequency band
298 298  
299 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 -(% style="color:blue" %)**The following picture shows that the burning is successful**
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
301 301  
302 -[[image:image-20220602105251-15.png]]
380 +== Package Info ==
303 303  
382 +* LA66 USB LoRaWAN Adapter x 1
304 304  
305 -
306 -= 2.  FAQ =
307 -
308 -
309 -== 2.1  How to Compile Source Code for LA66? ==
310 -
311 -
312 -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]]
313 -
314 -
315 -
316 -= 3.  Order Info =
317 -
318 -
319 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
320 -
321 -
322 -(% style="color:blue" %)**XXX**(%%): The default frequency band
323 -
324 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
325 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
326 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
327 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
328 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
329 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
330 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
331 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
332 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
333 -
334 -= 4.  Reference =
335 -
336 -
337 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
384 +
image-20220715000242-1.png
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