<
From version < 148.3 >
edited by Xiaoling
on 2022/08/17 08:55
To version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
>
Change comment: There is no comment for this version

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Details

Page properties
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
... ... @@ -65,13 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -
71 -
72 -== 1.3  Specification ==
73 -
74 -
75 75  * CPU: 32-bit 48 MHz
76 76  * Flash: 256KB
77 77  * RAM: 64KB
... ... @@ -90,258 +90,340 @@
90 90  * LoRa Rx current: <9 mA
91 91  * I/O Voltage: 3.3v
92 92  
52 +== AT Command ==
93 93  
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.
94 94  
95 -== 1.4  Pin Mapping & LED ==
96 96  
57 +== Dimension ==
97 97  
98 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
99 99  
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
62 +== Pin Mapping ==
104 104  
64 +[[image:image-20220523101537-1.png]]
105 105  
66 +== Land Pattern ==
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
108 108  
109 109  
110 -**Show connection diagram:**
71 +== Order Info ==
111 111  
73 +Part Number: **LA66-XXX**
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
114 114  
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
115 115  
87 += LA66 LoRaWAN Shield =
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Overview ==
118 118  
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.
119 119  
120 -[[image:image-20220723170545-4.png]]
121 121  
94 +== Features ==
122 122  
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
123 123  
124 -(% style="color:blue" %)**2.  Open project**
107 +== Specification ==
125 125  
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
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]]
127 +== Pin Mapping & LED ==
128 128  
129 -[[image:image-20220726135239-1.png]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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**
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
133 133  
134 -[[image:image-20220726135356-2.png]]
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
135 135  
137 +=== what needs to be used ===
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
138 138  
141 +2.Arduino
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
143 +3.USB TO TTL
141 141  
145 +[[image:image-20220602100052-2.png]]
142 142  
147 +=== Wiring Schematic ===
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
149 +[[image:image-20220602101311-3.png]]
145 145  
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
146 146  
147 -(% style="color:blue" %)**1.  Open project**
153 +GND  >>>>>>>>>>>>GND
148 148  
155 +TXD  >>>>>>>>>>>>TXD
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]]
157 +RXD  >>>>>>>>>>>>RXD
151 151  
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
152 152  
153 -[[image:image-20220723172502-8.png]]
161 +Connect to the PC after connecting the wires
154 154  
163 +[[image:image-20220602102240-4.png]]
155 155  
165 +=== Upgrade steps ===
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**
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
158 158  
169 +[[image:image-20220602102824-5.png]]
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
161 161  
173 +[[image:image-20220602104701-12.png]]
162 162  
175 +==== Open the upgrade application software ====
163 163  
164 -== 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/]]
165 165  
179 +[[image:image-20220602103227-6.png]]
166 166  
167 -(% style="color:blue" %)**1.  Open project**
181 +[[image:image-20220602103357-7.png]]
168 168  
183 +===== Select the COM port corresponding to USB TTL =====
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]]
185 +[[image:image-20220602103844-8.png]]
171 171  
187 +===== Select the bin file to burn =====
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
189 +[[image:image-20220602104144-9.png]]
174 174  
191 +[[image:image-20220602104251-10.png]]
175 175  
193 +[[image:image-20220602104402-11.png]]
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**
195 +===== Click to start the download =====
178 178  
197 +[[image:image-20220602104923-13.png]]
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
199 +===== The following figure appears to prove that the burning is in progress =====
181 181  
201 +[[image:image-20220602104948-14.png]]
182 182  
203 +===== The following picture appears to prove that the burning is successful =====
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
205 +[[image:image-20220602105251-15.png]]
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/]]
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
208 +== Order Info ==
189 189  
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
190 190  
212 +**XX**: The default frequency band
191 191  
192 -== 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
193 193  
224 +== Package Info ==
194 194  
195 -=== 1.8.1  Items needed for update ===
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
196 196  
197 197  
198 -1. LA66 LoRaWAN Shield
199 -1. Arduino
200 -1. USB TO TTL Adapter
201 201  
202 -[[image:image-20220602100052-2.png||height="385" width="600"]]
203 203  
232 += LA66 USB LoRaWAN Adapter =
204 204  
234 +== Overview ==
205 205  
206 -=== 1.8.2  Connection ===
236 +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.
207 207  
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
239 +== Features ==
210 210  
241 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
242 +* Ultra-long RF range
243 +* Support LoRaWAN v1.0.4 protocol
244 +* Support peer-to-peer protocol
245 +* TCXO crystal to ensure RF performance on low temperature
246 +* Spring RF antenna
247 +* Available in different frequency LoRaWAN frequency bands.
248 +* World-wide unique OTAA keys.
249 +* AT Command via UART-TTL interface
250 +* Firmware upgradable via UART interface
211 211  
212 -(((
213 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
214 -)))
215 215  
216 -(((
217 -(% style="background-color:yellow" %)**GND  <-> GND
218 -TXD  <->  TXD
219 -RXD  <->  RXD**
220 -)))
221 221  
254 +== Specification ==
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
256 +* CPU: 32-bit 48 MHz
257 +* Flash: 256KB
258 +* RAM: 64KB
259 +* Input Power Range: 5v
260 +* Frequency Range: 150 MHz ~~ 960 MHz
261 +* Maximum Power +22 dBm constant RF output
262 +* High sensitivity: -148 dBm
263 +* Temperature:
264 +** Storage: -55 ~~ +125℃
265 +** Operating: -40 ~~ +85℃
266 +* Humidity:
267 +** Storage: 5 ~~ 95% (Non-Condensing)
268 +** Operating: 10 ~~ 95% (Non-Condensing)
269 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 +* LoRa Rx current: <9 mA
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
226 226  
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
274 +== Pin Mapping & LED ==
229 229  
276 +== Example Send & Get Messages via LoRaWAN in PC ==
230 230  
278 +Connect the LA66 LoRa Shield to the PC
231 231  
232 -=== 1.8.3  Upgrade steps ===
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
233 233  
282 +Open the serial port tool
234 234  
284 +[[image:image-20220602161617-8.png]]
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
237 237  
288 +Press the reset switch RST on the LA66 LoRa Shield.
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
240 240  
292 +[[image:image-20220602161935-10.png]]
241 241  
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
296 +example: AT+SENDB=01,02,8,05820802581ea0a5
244 244  
298 +[[image:image-20220602162157-11.png]]
245 245  
246 -[[image:image-20220817085447-1.png]]
300 +Check to see if TTN received the message
247 247  
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
248 248  
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
249 249  
306 +Connect the LA66 LoRa Shield to the RPI
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
252 252  
310 +Log in to the RPI's terminal and connect to the serial port
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 -)))
312 +[[image:image-20220602153146-3.png]]
257 257  
314 +Press the reset switch RST on the LA66 LoRa Shield.
315 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
258 258  
259 -[[image:image-20220602103227-6.png]]
317 +[[image:image-20220602154928-5.png]]
260 260  
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
261 261  
262 -[[image:image-20220602103357-7.png]]
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
263 263  
323 +[[image:image-20220602160339-6.png]]
264 264  
325 +Check to see if TTN received the message
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
268 268  
329 +=== Install Minicom ===
269 269  
270 -[[image:image-20220602103844-8.png]]
331 +Enter the following command in the RPI terminal
271 271  
333 +apt update
272 272  
335 +[[image:image-20220602143155-1.png]]
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
337 +apt install minicom
276 276  
339 +[[image:image-20220602143744-2.png]]
277 277  
278 -[[image:image-20220602104144-9.png]]
341 +=== Send PC's CPU/RAM usage to TTN via script. ===
279 279  
343 +==== Take python as an example: ====
280 280  
281 -[[image:image-20220602104251-10.png]]
345 +===== Preconditions: =====
282 282  
347 +1.LA66 USB LoRaWAN Adapter works fine
283 283  
284 -[[image:image-20220602104402-11.png]]
349 +2.LA66 USB LoRaWAN Adapteis registered with TTN
285 285  
351 +===== Steps for usage =====
286 286  
353 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
355 +2.Run the script and see the TTN
290 290  
291 -[[image:image-20220602104923-13.png]]
357 +[[image:image-20220602115852-3.png]]
292 292  
293 293  
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
361 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
297 297  
298 298  
299 -[[image:image-20220602104948-14.png]]
364 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
300 300  
301 301  
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
368 +== Order Info ==
305 305  
306 -[[image:image-20220602105251-15.png]]
370 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
307 307  
372 +**XX**: The default frequency band
308 308  
374 +* **AS923**: LoRaWAN AS923 band
375 +* **AU915**: LoRaWAN AU915 band
376 +* **EU433**: LoRaWAN EU433 band
377 +* **EU868**: LoRaWAN EU868 band
378 +* **KR920**: LoRaWAN KR920 band
379 +* **US915**: LoRaWAN US915 band
380 +* **IN865**: LoRaWAN IN865 band
381 +* **CN470**: LoRaWAN CN470 band
382 +* **PP**: Peer to Peer LoRa Protocol
309 309  
310 -= 2.  FAQ =
384 +== Package Info ==
311 311  
386 +* LA66 USB LoRaWAN Adapter x 1
312 312  
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 -
341 -= 4.  Reference =
342 -
343 -
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 -
346 -
347 347  
image-20220715000242-1.png
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