Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 148.2 >
edited by Xiaoling
on 2022/08/17 08:54
To version < 74.1 >
edited by Edwin Chen
on 2022/07/03 00:16
>
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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
... ... @@ -65,9 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
32 +== Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,251 +86,336 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
52 +== AT Command ==
89 89  
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.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
57 +== Dimension ==
93 93  
94 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
95 95  
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
66 +== Land Pattern ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
104 104  
105 105  
106 -**Show connection diagram：**
71 +== Order Info ==
107 107  
73 +Part Number: **LA66-XXX**
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
110 110  
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
111 111  
87 += LA66 LoRaWAN Shield =
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Overview ==
114 114  
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.
115 115  
116 -[[image:image-20220723170545-4.png]]
117 117  
94 +== Features ==
118 118  
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
119 119  
120 -(% style="color:blue" %)**2.  Open project**
107 +== Specification ==
121 121  
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
122 122  
123 -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 ==
124 124  
125 -[[image:image-20220726135239-1.png]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
128 -(% 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. ==
129 129  
130 -[[image:image-20220726135356-2.png]]
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
131 131  
137 +=== Items needed for update ===
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
134 134  
143 +[[image:image-20220602100052-2.png||height="341" width="531"]]
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
137 137  
146 +=== Connection ===
138 138  
148 +[[image:image-20220602101311-3.png||height="350" width="760"]]
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
141 141  
151 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 +GND  <-----> GND
153 +TXD  <-----> TXD
154 +RXD  <-----> RXD
142 142  
143 -(% style="color:blue" %)**1.  Open project**
156 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
144 144  
158 +Connect to the PC after connecting the wires
145 145  
146 -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]]
147 147  
148 148  
149 -[[image:image-20220723172502-8.png]]
162 +[[image:image-20220602102240-4.png]]
150 150  
164 +=== Upgrade steps ===
151 151  
166 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
152 152  
153 -(% 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**
168 +[[image:image-20220602102824-5.png]]
154 154  
170 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
172 +[[image:image-20220602104701-12.png]]
157 157  
174 +==== Open the upgrade application software ====
158 158  
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/]]
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
178 +[[image:image-20220602103227-6.png]]
161 161  
180 +[[image:image-20220602103357-7.png]]
162 162  
163 -(% style="color:blue" %)**1.  Open project**
182 +===== Select the COM port corresponding to USB TTL =====
164 164  
184 +[[image:image-20220602103844-8.png]]
165 165  
166 -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]]
186 +===== Select the bin file to burn =====
167 167  
188 +[[image:image-20220602104144-9.png]]
168 168  
169 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
190 +[[image:image-20220602104251-10.png]]
170 170  
192 +[[image:image-20220602104402-11.png]]
171 171  
194 +===== Click to start the download =====
172 172  
173 -(% 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**
196 +[[image:image-20220602104923-13.png]]
174 174  
198 +===== The following figure appears to prove that the burning is in progress =====
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
200 +[[image:image-20220602104948-14.png]]
177 177  
202 +===== The following picture appears to prove that the burning is successful =====
178 178  
204 +[[image:image-20220602105251-15.png]]
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
181 181  
182 -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/]]
207 +== Order Info ==
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
209 +Part Number: **LA66-LoRaWAN-Shield-XXX**
185 185  
211 +**XX**: The default frequency band
186 186  
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
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
223 +== Package Info ==
189 189  
225 +* LA66 LoRaWAN Shield x 1
226 +* RF Antenna x 1
190 190  
191 -=== 1.8.1  Items needed for update ===
192 192  
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
230 += LA66 USB LoRaWAN Adapter =
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
232 +== Overview ==
199 199  
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.
200 200  
201 201  
202 -=== 1.8.2  Connection ===
237 +== Features ==
203 203  
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
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
206 206  
251 +== Specification ==
207 207  
208 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
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 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
217 217  
270 +== Pin Mapping & LED ==
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
272 +== Example Send & Get Messages via LoRaWAN in PC ==
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
274 +Connect the LA66 LoRa Shield to the PC
222 222  
276 +[[image:image-20220602171217-1.png||height="615" width="915"]]
223 223  
224 -[[image:image-20220602102240-4.png||height="304" width="600"]]
278 +Open the serial port tool
225 225  
280 +[[image:image-20220602161617-8.png]]
226 226  
282 +[[image:image-20220602161718-9.png||height="529" width="927"]]
227 227  
228 -=== 1.8.3  Upgrade steps ===
284 +Press the reset switch RST on the LA66 LoRa Shield.
229 229  
286 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
230 230  
288 +[[image:image-20220602161935-10.png]]
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
290 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 233  
292 +example: AT+SENDB=01,02,8,05820802581ea0a5
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
294 +[[image:image-20220602162157-11.png]]
236 236  
296 +Check to see if TTN received the message
237 237  
298 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
300 +== Example Send & Get Messages via LoRaWAN in RPi ==
240 240  
302 +Connect the LA66 LoRa Shield to the RPI
241 241  
242 -[[image:image-20220817085447-1.png]]
304 +[[image:image-20220602171233-2.png||height="592" width="881"]]
243 243  
306 +Log in to the RPI's terminal and connect to the serial port
244 244  
308 +[[image:image-20220602153146-3.png]]
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
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
247 247  
313 +[[image:image-20220602154928-5.png]]
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
315 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
252 252  
317 +example: AT+SENDB=01,02,8,05820802581ea0a5
253 253  
254 -[[image:image-20220602103227-6.png]]
319 +[[image:image-20220602160339-6.png]]
255 255  
321 +Check to see if TTN received the message
256 256  
257 -[[image:image-20220602103357-7.png]]
323 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
258 258  
325 +=== Install Minicom ===
259 259  
327 +Enter the following command in the RPI terminal
260 260  
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
329 +apt update
263 263  
331 +[[image:image-20220602143155-1.png]]
264 264  
265 -[[image:image-20220602103844-8.png]]
333 +apt install minicom
266 266  
335 +[[image:image-20220602143744-2.png]]
267 267  
337 +=== Send PC's CPU/RAM usage to TTN via script. ===
268 268  
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
339 +==== Take python as an example： ====
271 271  
341 +===== Preconditions: =====
272 272  
273 -[[image:image-20220602104144-9.png]]
343 +1.LA66 USB LoRaWAN Adapter works fine
274 274  
345 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
275 275  
276 -[[image:image-20220602104251-10.png]]
347 +===== Steps for usage =====
277 277  
349 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
278 278  
279 -[[image:image-20220602104402-11.png]]
351 +2.Run the script and see the TTN
280 280  
353 +[[image:image-20220602115852-3.png]]
281 281  
282 282  
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
285 285  
286 -[[image:image-20220602104923-13.png]]
357 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
287 287  
288 288  
360 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
289 289  
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 292  
293 293  
294 -[[image:image-20220602104948-14.png]]
364 +== Order Info ==
295 295  
366 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
296 296  
368 +**XX**: The default frequency band
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
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
300 300  
301 -[[image:image-20220602105251-15.png]]
380 +== Package Info ==
302 302  
382 +* LA66 USB LoRaWAN Adapter x 1
303 303  
304 -
305 -= 2.  FAQ =
306 -
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -= 4.  Reference =
334 -
335 -
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
384 +
image-20220715000242-1.png
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