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Last modified by Xiaoling on 2023/05/26 14:19
From version 150.1
edited by Edwin Chen
on 2022/08/20 11:23
Change comment: Uploaded new attachment "image-20220820112305-1.png", version {1}
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
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 -* 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
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,260 +88,334 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
52 +== AT Command ==
91 91  
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.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
57 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
62 +== Pin Mapping ==
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
64 +[[image:image-20220523101537-1.png]]
103 103  
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
71 +== Order Info ==
108 108  
109 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
110 110  
75 +**XX**: The default frequency band
111 111  
112 -[[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
113 113  
87 += LA66 LoRaWAN Shield =
114 114  
89 +== Overview ==
115 115  
116 -(% 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.
117 117  
118 118  
119 -[[image:image-20220723170545-4.png]]
94 +== Features ==
120 120  
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
121 121  
107 +== Specification ==
122 122  
123 -(% 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
124 124  
127 +== Pin Mapping & LED ==
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]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
129 129  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
130 130  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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**
137 +=== Items needed for update ===
133 133  
134 -[[image:image-20220726135356-2.png]]
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
135 135  
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
136 136  
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
146 +=== Connection ===
139 139  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
142 142  
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
143 143  
157 +Connect USB TTL Adapter to PC after connecting the wires
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
163 +=== Upgrade steps ===
150 150  
151 -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]]
165 +==== Switch SW1 to put in ISP position ====
152 152  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
153 153  
154 -[[image:image-20220723172502-8.png]]
155 155  
170 +==== Press the RST switch once ====
156 156  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
157 157  
158 -(% 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**
159 159  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC ====
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
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/]]
162 162  
179 +[[image:image-20220602103227-6.png]]
163 163  
181 +[[image:image-20220602103357-7.png]]
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
183 +===== Select the COM port corresponding to USB TTL =====
166 166  
185 +[[image:image-20220602103844-8.png]]
167 167  
168 -(% style="color:blue" %)**1.  Open project**
187 +===== Select the bin file to burn =====
169 169  
189 +[[image:image-20220602104144-9.png]]
170 170  
171 -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]]
191 +[[image:image-20220602104251-10.png]]
172 172  
193 +[[image:image-20220602104402-11.png]]
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
195 +===== Click to start the download =====
175 175  
197 +[[image:image-20220602104923-13.png]]
176 176  
199 +===== The following figure appears to prove that the burning is in progress =====
177 177  
178 -(% 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**
201 +[[image:image-20220602104948-14.png]]
179 179  
203 +===== The following picture appears to prove that the burning is successful =====
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
205 +[[image:image-20220602105251-15.png]]
182 182  
183 183  
208 +== Order Info ==
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
186 186  
187 -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/]]
212 +**XX**: The default frequency band
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
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
190 190  
224 +== Package Info ==
191 191  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
230 += LA66 USB LoRaWAN Adapter =
195 195  
196 -=== 1.8.1  Items needed for update ===
232 +== Overview ==
197 197  
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.
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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  
250 +== Specification ==
206 206  
207 -=== 1.8.2  Connection ===
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
208 208  
268 +== Pin Mapping & LED ==
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
270 +== Example Send & Get Messages via LoRaWAN in PC ==
211 211  
272 +Connect the LA66 LoRa Shield to the PC
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
274 +[[image:image-20220602171217-1.png||height="615" width="915"]]
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
276 +Open the serial port tool
222 222  
278 +[[image:image-20220602161617-8.png]]
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
280 +[[image:image-20220602161718-9.png||height="529" width="927"]]
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
282 +Press the reset switch RST on the LA66 LoRa Shield.
227 227  
284 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
286 +[[image:image-20220602161935-10.png]]
230 230  
288 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
231 231  
290 +example: AT+SENDB=01,02,8,05820802581ea0a5
232 232  
233 -=== 1.8.3  Upgrade steps ===
292 +[[image:image-20220602162157-11.png]]
234 234  
294 +Check to see if TTN received the message
235 235  
296 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
298 +== Example Send & Get Messages via LoRaWAN in RPi ==
238 238  
300 +Connect the LA66 LoRa Shield to the RPI
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
302 +[[image:image-20220602171233-2.png||height="592" width="881"]]
241 241  
304 +Log in to the RPI's terminal and connect to the serial port
242 242  
306 +[[image:image-20220602153146-3.png]]
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
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
245 245  
311 +[[image:image-20220602154928-5.png]]
246 246  
247 -[[image:image-20220817085447-1.png]]
313 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
248 248  
315 +example: AT+SENDB=01,02,8,05820802581ea0a5
249 249  
317 +[[image:image-20220602160339-6.png]]
250 250  
319 +Check to see if TTN received the message
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
321 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
253 253  
323 +=== Install Minicom ===
254 254  
255 -(((
256 -(% 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/]]**
257 -)))
325 +Enter the following command in the RPI terminal
258 258  
327 +apt update
259 259  
260 -[[image:image-20220602103227-6.png]]
329 +[[image:image-20220602143155-1.png]]
261 261  
331 +apt install minicom
262 262  
263 -[[image:image-20220602103357-7.png]]
333 +[[image:image-20220602143744-2.png]]
264 264  
335 +=== Send PC's CPU/RAM usage to TTN via script. ===
265 265  
337 +==== Take python as an example： ====
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
339 +===== Preconditions: =====
269 269  
341 +1.LA66 USB LoRaWAN Adapter works fine
270 270  
271 -[[image:image-20220602103844-8.png]]
343 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
272 272  
345 +===== Steps for usage =====
273 273  
347 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
349 +2.Run the script and see the TTN
277 277  
351 +[[image:image-20220602115852-3.png]]
278 278  
279 -[[image:image-20220602104144-9.png]]
280 280  
281 281  
282 -[[image:image-20220602104251-10.png]]
355 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
283 283  
284 284  
285 -[[image:image-20220602104402-11.png]]
358 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
286 286  
287 287  
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
362 +== Order Info ==
291 291  
292 -[[image:image-20220602104923-13.png]]
364 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
293 293  
366 +**XX**: The default frequency band
294 294  
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
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
378 +== Package Info ==
298 298  
380 +* LA66 USB LoRaWAN Adapter x 1
299 299  
300 -[[image:image-20220602104948-14.png]]
301 -
302 -
303 -
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
306 -
307 -[[image:image-20220602105251-15.png]]
308 -
309 -
310 -
311 -= 2.  FAQ =
312 -
313 -
314 -== 2.1  How to Compile Source Code for LA66? ==
315 -
316 -
317 -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]]
318 -
319 -
320 -
321 -= 3.  Order Info =
322 -
323 -
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 -
326 -
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
328 -
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
338 -
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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