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 < 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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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
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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 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 +89,340 @@
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 +=== what needs to be used ===
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 that needs to be upgraded
137 137  
141 +2.Arduino
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
143 +3.USB TO TTL
140 140  
145 +[[image:image-20220602100052-2.png]]
141 141  
147 +=== Wiring Schematic ===
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
149 +[[image:image-20220602101311-3.png]]
144 144  
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
145 145  
146 -(% style="color:blue" %)**1.  Open project**
153 +GND  >>>>>>>>>>>>GND
147 147  
155 +TXD  >>>>>>>>>>>>TXD
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]]
157 +RXD  >>>>>>>>>>>>RXD
150 150  
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
151 151  
152 -[[image:image-20220723172502-8.png]]
161 +Connect to the PC after connecting the wires
153 153  
163 +[[image:image-20220602102240-4.png]]
154 154  
165 +=== Upgrade steps ===
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**
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
157 157  
169 +[[image:image-20220602102824-5.png]]
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
160 160  
173 +[[image:image-20220602104701-12.png]]
161 161  
175 +==== Open the upgrade application software ====
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
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
202 202  
232 += LA66 USB LoRaWAN Adapter =
203 203  
234 +== Overview ==
204 204  
205 -=== 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.
206 206  
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
239 +== Features ==
209 209  
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
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
220 220  
254 +== Specification ==
221 221  
222 -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
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
225 225  
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
274 +== Pin Mapping & LED ==
228 228  
276 +== Example Send & Get Messages via LoRaWAN in PC ==
229 229  
278 +Connect the LA66 LoRa Shield to the PC
230 230  
231 -=== 2.8.3  Upgrade steps ===
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
232 232  
282 +Open the serial port tool
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
284 +[[image:image-20220602161617-8.png]]
235 235  
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
288 +Press the reset switch RST on the LA66 LoRa Shield.
238 238  
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
239 239  
292 +[[image:image-20220602161935-10.png]]
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
242 242  
296 +example: AT+SENDB=01,02,8,05820802581ea0a5
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
298 +[[image:image-20220602162157-11.png]]
245 245  
300 +Check to see if TTN received the message
246 246  
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
249 249  
306 +Connect the LA66 LoRa Shield to the RPI
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 -)))
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
254 254  
310 +Log in to the RPI's terminal and connect to the serial port
255 255  
256 -[[image:image-20220602103227-6.png]]
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-20220602103357-7.png]]
317 +[[image:image-20220602154928-5.png]]
260 260  
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
261 261  
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
323 +[[image:image-20220602160339-6.png]]
265 265  
325 +Check to see if TTN received the message
266 266  
267 -[[image:image-20220602103844-8.png]]
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
268 268  
329 +=== Install Minicom ===
269 269  
331 +Enter the following command in the RPI terminal
270 270  
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
333 +apt update
273 273  
335 +[[image:image-20220602143155-1.png]]
274 274  
275 -[[image:image-20220602104144-9.png]]
337 +apt install minicom
276 276  
339 +[[image:image-20220602143744-2.png]]
277 277  
278 -[[image:image-20220602104251-10.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-20220602104402-11.png]]
345 +===== Preconditions: =====
282 282  
347 +1.LA66 USB LoRaWAN Adapter works fine
283 283  
349 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
351 +===== Steps for usage =====
287 287  
288 -[[image:image-20220602104923-13.png]]
353 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
289 289  
355 +2.Run the script and see the TTN
290 290  
357 +[[image:image-20220602115852-3.png]]
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
294 294  
295 295  
296 -[[image:image-20220602104948-14.png]]
361 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
297 297  
298 298  
364 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
302 302  
303 -[[image:image-20220602105251-15.png]]
304 304  
368 +== Order Info ==
305 305  
370 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
306 306  
307 -= 2.  FAQ =
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 -== 2.1  How to Compile Source Code for LA66? ==
384 +== Package Info ==
311 311  
386 +* LA66 USB LoRaWAN Adapter x 1
312 312  
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]]
388 +
image-20220715000242-1.png
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