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Last modified by Xiaoling on 2023/05/26 14:19
From version 163.2
edited by Xiaoling
on 2022/09/12 08:46
Change comment: There is no comment for this version
To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version

Summary

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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
... ... @@ -89,326 +89,288 @@
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||height="533" width="734"]]
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 -[[image:image-20220820112305-1.png||height="515" width="749"]]
108 108  
71 +== Order Info ==
109 109  
73 +Part Number: **LA66-XXX**
110 110  
111 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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 -**Show connection diagram：**
115 115  
88 += LA66 LoRaWAN Shield =
116 116  
117 -[[image:image-20220723170210-2.png||height="908" width="681"]]
90 +== Overview ==
118 118  
92 +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  
120 120  
121 -(% style="color:blue" %)**1.  open Arduino IDE**
95 +== Features ==
122 122  
97 +* Arduino Shield base on LA66 LoRaWAN module
98 +* Support LoRaWAN v1.0.4 protocol
99 +* Support peer-to-peer protocol
100 +* TCXO crystal to ensure RF performance on low temperature
101 +* SMA connector
102 +* Available in different frequency LoRaWAN frequency bands.
103 +* World-wide unique OTAA keys.
104 +* AT Command via UART-TTL interface
105 +* Firmware upgradable via UART interface
106 +* Ultra-long RF range
123 123  
124 -[[image:image-20220723170545-4.png]]
108 +== Specification ==
125 125  
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
126 126  
128 +== Pin Mapping & LED ==
127 127  
128 -(% style="color:blue" %)**2.  Open project**
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
129 129  
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
131 -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]]
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
132 132  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
133 133  
134 -[[image:image-20220726135239-1.png]]
138 +=== what needs to be used ===
135 135  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
136 136  
142 +2.Arduino
137 137  
138 -(% 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**
144 +3.USB TO TTL
139 139  
146 +[[image:image-20220602100052-2.png]]
140 140  
141 -[[image:image-20220726135356-2.png]]
148 +=== Wiring Schematic ===
142 142  
150 +[[image:image-20220602101311-3.png]]
143 143  
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
144 144  
145 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
154 +GND  >>>>>>>>>>>>GND
146 146  
156 +TXD  >>>>>>>>>>>>TXD
147 147  
148 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
158 +RXD  >>>>>>>>>>>>RXD
149 149  
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
150 150  
162 +Connect to the PC after connecting the wires
151 151  
152 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
164 +[[image:image-20220602102240-4.png]]
153 153  
166 +=== Upgrade steps ===
154 154  
155 -(% style="color:blue" %)**1.  Open project**
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
156 156  
170 +[[image:image-20220602102824-5.png]]
157 157  
158 -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]]
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
159 159  
174 +[[image:image-20220602104701-12.png]]
160 160  
161 -[[image:image-20220723172502-8.png]]
176 +==== Open the upgrade application software ====
162 162  
178 +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  
180 +[[image:image-20220602103227-6.png]]
164 164  
165 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
182 +[[image:image-20220602103357-7.png]]
166 166  
184 +===== Select the COM port corresponding to USB TTL =====
167 167  
168 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
186 +[[image:image-20220602103844-8.png]]
169 169  
188 +===== Select the bin file to burn =====
170 170  
190 +[[image:image-20220602104144-9.png]]
171 171  
172 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
192 +[[image:image-20220602104251-10.png]]
173 173  
194 +[[image:image-20220602104402-11.png]]
174 174  
175 -(% style="color:blue" %)**1.  Open project**
196 +===== Click to start the download =====
176 176  
198 +[[image:image-20220602104923-13.png]]
177 177  
178 -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]]
200 +===== The following figure appears to prove that the burning is in progress =====
179 179  
202 +[[image:image-20220602104948-14.png]]
180 180  
181 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
204 +===== The following picture appears to prove that the burning is successful =====
182 182  
206 +[[image:image-20220602105251-15.png]]
183 183  
208 +(% class="wikigeneratedid" %)
209 += =
184 184  
185 -(% 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**
211 +== Order Info ==
186 186  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
187 187  
188 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
215 +**XX**: The default frequency band
189 189  
217 +* **AS923**: LoRaWAN AS923 band
218 +* **AU915**: LoRaWAN AU915 band
219 +* **EU433**: LoRaWAN EU433 band
220 +* **EU868**: LoRaWAN EU868 band
221 +* **KR920**: LoRaWAN KR920 band
222 +* **US915**: LoRaWAN US915 band
223 +* **IN865**: LoRaWAN IN865 band
224 +* **CN470**: LoRaWAN CN470 band
225 +* **PP**: Peer to Peer LoRa Protocol
190 190  
191 191  
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
192 192  
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
193 193  
194 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
195 195  
196 196  
197 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
198 198  
199 199  
200 -[[image:image-20220723175700-12.png||height="602" width="995"]]
238 += LA66 USB LoRaWAN Adapter =
201 201  
240 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
202 202  
242 +Before use, please make sure that the computer has installed the CP2102 driver
203 203  
204 -== 1.8  Example: How to join helium ==
244 +== Pin Mapping & LED ==
205 205  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
206 206  
207 -(% style="color:blue" %)**1.  Create a new device.**
248 +Connect the LA66 LoRa Shield to the PC
208 208  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
209 209  
210 -[[image:image-20220907165500-1.png||height="464" width="940"]]
252 +Open the serial port tool
211 211  
254 +[[image:image-20220602161617-8.png]]
212 212  
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
213 213  
214 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
258 +Press the reset switch RST on the LA66 LoRa Shield.
215 215  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
216 216  
217 -[[image:image-20220907165837-2.png||height="375" width="809"]]
262 +[[image:image-20220602161935-10.png]]
218 218  
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
221 -(% style="color:blue" %)**3.  Use AT commands.**
268 +[[image:image-20220602162157-11.png]]
222 222  
270 +Check to see if TTN received the message
223 223  
224 -[[image:image-20220602100052-2.png||height="385" width="600"]]
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
225 225  
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
226 226  
276 +Connect the LA66 LoRa Shield to the RPI
227 227  
228 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
229 229  
280 +Log in to the RPI's terminal and connect to the serial port
230 230  
231 -[[image:image-20220907170308-3.png||height="556" width="617"]]
282 +[[image:image-20220602153146-3.png]]
232 232  
284 +Press the reset switch RST on the LA66 LoRa Shield.
285 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
233 233  
287 +[[image:image-20220602154928-5.png]]
234 234  
235 -(% style="color:blue" %)**5.  Network successfully.**
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
236 236  
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
237 237  
238 -[[image:image-20220907170436-4.png]]
293 +[[image:image-20220602160339-6.png]]
239 239  
295 +Check to see if TTN received the message
240 240  
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
241 241  
242 -(% style="color:blue" %)**6.  Send uplink using command**
299 +=== Install Minicom ===
243 243  
301 +Enter the following command in the RPI terminal
244 244  
245 -[[image:image-20220912084334-1.png]]
303 +apt update
246 246  
305 +[[image:image-20220602143155-1.png]]
247 247  
248 -[[image:image-20220912084412-3.png]]
307 +apt install minicom
249 249  
309 +[[image:image-20220602143744-2.png]]
250 250  
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
251 251  
252 -[[image:image-20220907170744-6.png||height="242" width="798"]]
313 +==== Take python as an example： ====
253 253  
315 +===== Preconditions: =====
254 254  
317 +1.LA66 USB LoRaWAN Adapter works fine
255 255  
256 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
257 257  
321 +===== Steps for usage =====
258 258  
259 -=== 1.9.1  Items needed for update ===
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
260 260  
325 +2.Run the script and see the TTN
261 261  
262 -1. LA66 LoRaWAN Shield
263 -1. Arduino
264 -1. USB TO TTL Adapter
327 +[[image:image-20220602115852-3.png]]
265 265  
266 -[[image:image-20220602100052-2.png||height="385" width="600"]]
267 267  
268 268  
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
269 269  
270 -=== 1.9.2  Connection ===
271 271  
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
272 272  
273 -[[image:image-20220602101311-3.png||height="276" width="600"]]
274 -
275 -
276 -(((
277 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
278 -)))
279 -
280 -(((
281 -(% style="background-color:yellow" %)**GND  <-> GND
282 -TXD  <->  TXD
283 -RXD  <->  RXD**
284 -)))
285 -
286 -
287 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
288 -
289 -Connect USB TTL Adapter to PC after connecting the wires
290 -
291 -
292 -[[image:image-20220602102240-4.png||height="304" width="600"]]
293 -
294 -
295 -
296 -=== 1.9.3  Upgrade steps ===
297 -
298 -
299 -
300 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
301 -
302 -
303 -[[image:image-20220602102824-5.png||height="306" width="600"]]
304 -
305 -
306 -
307 -
308 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
309 -
310 -
311 -[[image:image-20220817085447-1.png]]
312 -
313 -
314 -
315 -
316 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
317 -
318 -
319 -
320 -(((
321 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
322 -)))
323 -
324 -
325 -[[image:image-20220602103227-6.png]]
326 -
327 -
328 -[[image:image-20220602103357-7.png]]
329 -
330 -
331 -
332 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
333 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
334 -
335 -
336 -[[image:image-20220602103844-8.png]]
337 -
338 -
339 -
340 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
341 -(% style="color:blue" %)**3.  Select the bin file to burn**
342 -
343 -
344 -[[image:image-20220602104144-9.png]]
345 -
346 -
347 -[[image:image-20220602104251-10.png]]
348 -
349 -
350 -[[image:image-20220602104402-11.png]]
351 -
352 -
353 -
354 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
355 -(% style="color:blue" %)**4.  Click to start the download**
356 -
357 -
358 -[[image:image-20220602104923-13.png]]
359 -
360 -
361 -
362 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
363 -(% style="color:blue" %)**5.  Check update process**
364 -
365 -
366 -[[image:image-20220602104948-14.png]]
367 -
368 -
369 -
370 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
371 -(% style="color:blue" %)**The following picture shows that the burning is successful**
372 -
373 -
374 -[[image:image-20220602105251-15.png]]
375 -
376 -
377 -
378 -= 2.  FAQ =
379 -
380 -
381 -== 2.1  How to Compile Source Code for LA66? ==
382 -
383 -
384 -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]]
385 -
386 -
387 -
388 -= 3.  Order Info =
389 -
390 -
391 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
392 -
393 -
394 -(% style="color:blue" %)**XXX**(%%): The default frequency band
395 -
396 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
397 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
398 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
399 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
400 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
401 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
402 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
403 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
404 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
405 -
406 -
407 -
408 -
409 -= 4.  Reference =
410 -
411 -
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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