Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 148.4 >
edited by Xiaoling
on 2022/08/17 08:56
To version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
>
Change comment: There is no comment for this version

Summary

Details

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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
... ... @@ -65,12 +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
... ... @@ -89,257 +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-20220817085048-1.png]]
99 99  
62 +== Pin Mapping ==
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
64 +[[image:image-20220523101537-1.png]]
104 104  
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
108 108  
71 +== Order Info ==
109 109  
110 -**Show connection diagram：**
73 +Part Number: **LA66-XXX**
111 111  
75 +**XX**: The default frequency band
112 112  
113 -[[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
114 114  
87 += LA66 LoRaWAN Shield =
115 115  
89 +== Overview ==
116 116  
117 -(% 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.
118 118  
119 119  
120 -[[image:image-20220723170545-4.png]]
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  
107 +== Specification ==
123 123  
124 -(% 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
125 125  
127 +== Pin Mapping & LED ==
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]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
129 -[[image:image-20220726135239-1.png]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
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**
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
133 133  
134 -[[image:image-20220726135356-2.png]]
137 +=== what needs to be used ===
135 135  
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
136 136  
137 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
141 +2.Arduino
138 138  
143 +3.USB TO TTL
139 139  
140 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
145 +[[image:image-20220602100052-2.png]]
141 141  
147 +=== Wiring Schematic ===
142 142  
149 +[[image:image-20220602101311-3.png]]
143 143  
144 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
145 145  
153 +GND  >>>>>>>>>>>>GND
146 146  
147 -(% style="color:blue" %)**1.  Open project**
155 +TXD  >>>>>>>>>>>>TXD
148 148  
157 +RXD  >>>>>>>>>>>>RXD
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]]
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
151 151  
161 +Connect to the PC after connecting the wires
152 152  
153 -[[image:image-20220723172502-8.png]]
163 +[[image:image-20220602102240-4.png]]
154 154  
165 +=== Upgrade steps ===
155 155  
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
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**
169 +[[image:image-20220602102824-5.png]]
158 158  
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
159 159  
160 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
173 +[[image:image-20220602104701-12.png]]
161 161  
175 +==== Open the upgrade application software ====
162 162  
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/]]
163 163  
164 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
179 +[[image:image-20220602103227-6.png]]
165 165  
181 +[[image:image-20220602103357-7.png]]
166 166  
167 -(% style="color:blue" %)**1.  Open project**
183 +===== Select the COM port corresponding to USB TTL =====
168 168  
185 +[[image:image-20220602103844-8.png]]
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]]
187 +===== Select the bin file to burn =====
171 171  
189 +[[image:image-20220602104144-9.png]]
172 172  
173 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
191 +[[image:image-20220602104251-10.png]]
174 174  
193 +[[image:image-20220602104402-11.png]]
175 175  
195 +===== Click to start the download =====
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**
197 +[[image:image-20220602104923-13.png]]
178 178  
199 +===== The following figure appears to prove that the burning is in progress =====
179 179  
180 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
201 +[[image:image-20220602104948-14.png]]
181 181  
203 +===== The following picture appears to prove that the burning is successful =====
182 182  
205 +[[image:image-20220602105251-15.png]]
183 183  
184 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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/]]
208 +== Order Info ==
187 187  
188 -[[image:image-20220723175700-12.png||height="602" width="995"]]
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
189 189  
212 +**XX**: The default frequency band
190 190  
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
191 191  
192 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
224 +== Package Info ==
193 193  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
194 194  
195 -=== 1.8.1  Items needed for update ===
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"]]
232 += LA66 USB LoRaWAN Adapter =
203 203  
234 +== Overview ==
204 204  
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.
205 205  
206 -=== 1.8.2  Connection ===
207 207  
239 +== Features ==
208 208  
209 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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  
211 211  
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 -)))
254 +== Specification ==
221 221  
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
222 222  
223 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
224 224  
225 -Connect USB TTL Adapter to PC after connecting the wires
226 226  
274 +== Pin Mapping & LED ==
227 227  
228 -[[image:image-20220602102240-4.png||height="304" width="600"]]
276 +== Example Send & Get Messages via LoRaWAN in PC ==
229 229  
278 +Connect the LA66 LoRa Shield to the PC
230 230  
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
231 231  
232 -=== 1.8.3  Upgrade steps ===
282 +Open the serial port tool
233 233  
284 +[[image:image-20220602161617-8.png]]
234 234  
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
235 235  
236 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
288 +Press the reset switch RST on the LA66 LoRa Shield.
237 237  
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
238 238  
239 -[[image:image-20220602102824-5.png||height="306" width="600"]]
292 +[[image:image-20220602161935-10.png]]
240 240  
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
241 241  
296 +example: AT+SENDB=01,02,8,05820802581ea0a5
242 242  
243 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
298 +[[image:image-20220602162157-11.png]]
244 244  
300 +Check to see if TTN received the message
245 245  
246 -[[image:image-20220817085447-1.png]]
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
247 247  
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
248 248  
306 +Connect the LA66 LoRa Shield to the RPI
249 249  
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
250 250  
251 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
310 +Log in to the RPI's terminal and connect to the serial port
252 252  
312 +[[image:image-20220602153146-3.png]]
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 -)))
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
257 257  
317 +[[image:image-20220602154928-5.png]]
258 258  
259 -[[image:image-20220602103227-6.png]]
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
260 260  
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
261 261  
262 -[[image:image-20220602103357-7.png]]
323 +[[image:image-20220602160339-6.png]]
263 263  
325 +Check to see if TTN received the message
264 264  
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
265 265  
266 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
267 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
329 +=== Install Minicom ===
268 268  
331 +Enter the following command in the RPI terminal
269 269  
270 -[[image:image-20220602103844-8.png]]
333 +apt update
271 271  
335 +[[image:image-20220602143155-1.png]]
272 272  
337 +apt install minicom
273 273  
274 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
275 -(% style="color:blue" %)**3. Select the bin file to burn**
339 +[[image:image-20220602143744-2.png]]
276 276  
341 +=== Send PC's CPU/RAM usage to TTN via script. ===
277 277  
278 -[[image:image-20220602104144-9.png]]
343 +==== Take python as an example： ====
279 279  
345 +===== Preconditions: =====
280 280  
281 -[[image:image-20220602104251-10.png]]
347 +1.LA66 USB LoRaWAN Adapter works fine
282 282  
349 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
283 283  
284 -[[image:image-20220602104402-11.png]]
351 +===== Steps for usage =====
285 285  
353 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
286 286  
355 +2.Run the script and see the TTN
287 287  
288 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
289 -(% style="color:blue" %)**4. Click to start the download**
357 +[[image:image-20220602115852-3.png]]
290 290  
291 -[[image:image-20220602104923-13.png]]
292 292  
293 293  
361 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
294 294  
295 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
296 -(% style="color:blue" %)**5. Check update process**
297 297  
364 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
298 298  
299 -[[image:image-20220602104948-14.png]]
300 300  
301 301  
368 +== Order Info ==
302 302  
303 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
304 -(% style="color:blue" %)**The following picture shows that the burning is successful**
370 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
305 305  
306 -[[image:image-20220602105251-15.png]]
372 +**XX**: The default frequency band
307 307  
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
308 308  
384 +== Package Info ==
309 309  
310 -= 2.  FAQ =
386 +* LA66 USB LoRaWAN Adapter x 1
311 311  
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 -= 4.  Reference =
341 -
342 -
343 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
344 -
345 345  
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