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Last modified by Xiaoling on 2023/05/26 14:19
From version 149.2
edited by Xiaoling
on 2022/08/17 08:57
Change comment: There is no comment for this version
To version 74.1
edited by Edwin Chen
on 2022/07/03 00:16
Change comment: There is no comment for this version

Summary

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
... ... @@ -65,12 +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
... ... @@ -89,258 +89,336 @@
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-20220817085048-1.png]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Order Info ==
109 109  
73 +Part Number: **LA66-XXX**
110 110  
111 -**Show connection diagram：**
75 +**XX**: The default frequency band
112 112  
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  
114 -[[image:image-20220723170210-2.png||height="908" width="681"]]
87 += LA66 LoRaWAN Shield =
115 115  
89 +== Overview ==
116 116  
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 -(% style="color:blue" %)**1.  open Arduino IDE**
119 119  
94 +== Features ==
120 120  
121 -[[image:image-20220723170545-4.png]]
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  
107 +== Specification ==
123 123  
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  
125 -(% style="color:blue" %)**2.  Open project**
127 +== Pin Mapping & LED ==
126 126  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
127 127  
128 -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]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
129 129  
130 -[[image:image-20220726135239-1.png]]
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
131 131  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
132 132  
133 -(% 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 ===
134 134  
135 -[[image:image-20220726135356-2.png]]
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
136 136  
143 +[[image:image-20220602100052-2.png||height="341" width="531"]]
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 139  
146 +=== Connection ===
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
148 +[[image:image-20220602101311-3.png||height="350" width="760"]]
142 142  
143 143  
151 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 +GND  <-----> GND
153 +TXD  <-----> TXD
154 +RXD  <-----> RXD
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
156 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
146 146  
158 +Connect to the PC after connecting the wires
147 147  
148 -(% style="color:blue" %)**1.  Open project**
149 149  
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]]
162 +[[image:image-20220602102240-4.png]]
152 152  
164 +=== Upgrade steps ===
153 153  
154 -[[image:image-20220723172502-8.png]]
166 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
155 155  
168 +[[image:image-20220602102824-5.png]]
156 156  
170 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
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**
172 +[[image:image-20220602104701-12.png]]
159 159  
174 +==== Open the upgrade application software ====
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
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/]]
162 162  
178 +[[image:image-20220602103227-6.png]]
163 163  
180 +[[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. ==
182 +===== Select the COM port corresponding to USB TTL =====
166 166  
184 +[[image:image-20220602103844-8.png]]
167 167  
168 -(% style="color:blue" %)**1.  Open project**
186 +===== Select the bin file to burn =====
169 169  
188 +[[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]]
190 +[[image:image-20220602104251-10.png]]
172 172  
192 +[[image:image-20220602104402-11.png]]
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
194 +===== Click to start the download =====
175 175  
196 +[[image:image-20220602104923-13.png]]
176 176  
198 +===== 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**
200 +[[image:image-20220602104948-14.png]]
179 179  
202 +===== The following picture appears to prove that the burning is successful =====
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
204 +[[image:image-20220602105251-15.png]]
182 182  
183 183  
207 +== Order Info ==
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
209 +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/]]
211 +**XX**: The default frequency band
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
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
190 190  
223 +== Package Info ==
191 191  
225 +* LA66 LoRaWAN Shield x 1
226 +* RF Antenna x 1
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
195 195  
196 -=== 1.8.1  Items needed for update ===
230 += LA66 USB LoRaWAN Adapter =
197 197  
232 +== Overview ==
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
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.
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
204 204  
237 +== Features ==
205 205  
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
206 206  
207 -=== 1.8.2  Connection ===
208 208  
251 +== Specification ==
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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
211 211  
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
270 +== Pin Mapping & LED ==
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
272 +== Example Send & Get Messages via LoRaWAN in PC ==
222 222  
274 +Connect the LA66 LoRa Shield to the PC
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
276 +[[image:image-20220602171217-1.png||height="615" width="915"]]
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
278 +Open the serial port tool
227 227  
280 +[[image:image-20220602161617-8.png]]
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
282 +[[image:image-20220602161718-9.png||height="529" width="927"]]
230 230  
284 +Press the reset switch RST on the LA66 LoRa Shield.
231 231  
286 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
232 232  
233 -=== 1.8.3  Upgrade steps ===
288 +[[image:image-20220602161935-10.png]]
234 234  
290 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
235 235  
292 +example: AT+SENDB=01,02,8,05820802581ea0a5
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
294 +[[image:image-20220602162157-11.png]]
238 238  
296 +Check to see if TTN received the message
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
298 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
241 241  
300 +== Example Send & Get Messages via LoRaWAN in RPi ==
242 242  
302 +Connect the LA66 LoRa Shield to the RPI
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
304 +[[image:image-20220602171233-2.png||height="592" width="881"]]
245 245  
306 +Log in to the RPI's terminal and connect to the serial port
246 246  
247 -[[image:image-20220817085447-1.png]]
308 +[[image:image-20220602153146-3.png]]
248 248  
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
249 249  
313 +[[image:image-20220602154928-5.png]]
250 250  
315 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
317 +example: AT+SENDB=01,02,8,05820802581ea0a5
253 253  
319 +[[image:image-20220602160339-6.png]]
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 -)))
321 +Check to see if TTN received the message
258 258  
323 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
259 259  
260 -[[image:image-20220602103227-6.png]]
325 +=== Install Minicom ===
261 261  
327 +Enter the following command in the RPI terminal
262 262  
263 -[[image:image-20220602103357-7.png]]
329 +apt update
264 264  
331 +[[image:image-20220602143155-1.png]]
265 265  
333 +apt install minicom
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
335 +[[image:image-20220602143744-2.png]]
269 269  
337 +=== Send PC's CPU/RAM usage to TTN via script. ===
270 270  
271 -[[image:image-20220602103844-8.png]]
339 +==== Take python as an example： ====
272 272  
341 +===== Preconditions: =====
273 273  
343 +1.LA66 USB LoRaWAN Adapter works fine
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
345 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
277 277  
347 +===== Steps for usage =====
278 278  
279 -[[image:image-20220602104144-9.png]]
349 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
280 280  
351 +2.Run the script and see the TTN
281 281  
282 -[[image:image-20220602104251-10.png]]
353 +[[image:image-20220602115852-3.png]]
283 283  
284 284  
285 -[[image:image-20220602104402-11.png]]
286 286  
357 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
287 287  
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
360 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
291 291  
292 -[[image:image-20220602104923-13.png]]
293 293  
294 294  
364 +== Order Info ==
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
366 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
298 298  
368 +**XX**: The default frequency band
299 299  
300 -[[image:image-20220602104948-14.png]]
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  
380 +== Package Info ==
302 302  
382 +* LA66 USB LoRaWAN Adapter x 1
303 303  
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 -= 4.  Reference =
342 -
343 -
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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