Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.10 >
edited by Xiaoling
on 2022/08/16 14:22
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
... ... @@ -1,1 +1,1 @@
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
... ... @@ -65,11 +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
... ... @@ -88,252 +88,329 @@
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-20220814101457-1.png||height="553" width="761"]]
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -~1. The LED lights up red when there is an upstream data packet
99 -2. When the network is successfully connected, the green light will be on for 5 seconds
100 -3. Purple light on when receiving downlink data packets
101 101  
62 +== Pin Mapping ==
102 102  
64 +[[image:image-20220523101537-1.png]]
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -**Show connection diagram：**
108 108  
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
72 += LA66 LoRaWAN Shield =
111 111  
74 +== Overview ==
112 112  
76 +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.
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
115 115  
79 +== Features ==
116 116  
117 -[[image:image-20220723170545-4.png]]
81 +* Arduino Shield base on LA66 LoRaWAN module
82 +* Support LoRaWAN v1.0.4 protocol
83 +* Support peer-to-peer protocol
84 +* TCXO crystal to ensure RF performance on low temperature
85 +* SMA connector
86 +* Available in different frequency LoRaWAN frequency bands.
87 +* World-wide unique OTAA keys.
88 +* AT Command via UART-TTL interface
89 +* Firmware upgradable via UART interface
90 +* Ultra-long RF range
118 118  
92 +== Specification ==
119 119  
94 +* CPU: 32-bit 48 MHz
95 +* Flash: 256KB
96 +* RAM: 64KB
97 +* Input Power Range: 1.8v ~~ 3.7v
98 +* Power Consumption: < 4uA.
99 +* Frequency Range: 150 MHz ~~ 960 MHz
100 +* Maximum Power +22 dBm constant RF output
101 +* High sensitivity: -148 dBm
102 +* Temperature:
103 +** Storage: -55 ~~ +125℃
104 +** Operating: -40 ~~ +85℃
105 +* Humidity:
106 +** Storage: 5 ~~ 95% (Non-Condensing)
107 +** Operating: 10 ~~ 95% (Non-Condensing)
108 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
109 +* LoRa Rx current: <9 mA
110 +* I/O Voltage: 3.3v
120 120  
121 -(% style="color:blue" %)**2.  Open project**
112 +== Pin Mapping & LED ==
122 122  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
123 123  
124 -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]]
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
126 -[[image:image-20220726135239-1.png]]
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
127 127  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
128 128  
129 -(% 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**
122 +=== Items needed for update ===
130 130  
131 -[[image:image-20220726135356-2.png]]
124 +1. LA66 LoRaWAN Shield
125 +1. Arduino
126 +1. USB TO TTL Adapter
132 132  
128 +[[image:image-20220602100052-2.png||height="385" width="600"]]
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
135 135  
131 +=== Connection ===
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
133 +[[image:image-20220602101311-3.png||height="276" width="600"]]
138 138  
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
139 139  
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
142 +Connect USB TTL Adapter to PC after connecting the wires
142 142  
143 143  
144 -(% style="color:blue" %)**1.  Open project**
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
145 145  
146 146  
147 -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]]
148 +=== Upgrade steps ===
148 148  
150 +==== Switch SW1 to put in ISP position ====
149 149  
150 -[[image:image-20220723172502-8.png]]
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
151 151  
152 152  
155 +==== Press the RST switch once ====
153 153  
154 -(% 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**
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
155 155  
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
158 158  
162 +**~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/]]**
159 159  
164 +[[image:image-20220602103227-6.png]]
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 +[[image:image-20220602103357-7.png]]
162 162  
163 163  
164 -(% style="color:blue" %)**1.  Open project**
169 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 +**2. Select the COM port corresponding to USB TTL**
165 165  
172 +[[image:image-20220602103844-8.png]]
166 166  
167 -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]]
168 168  
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
178 +[[image:image-20220602104144-9.png]]
171 171  
180 +[[image:image-20220602104251-10.png]]
172 172  
182 +[[image:image-20220602104402-11.png]]
173 173  
174 -(% 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**
175 175  
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
188 +[[image:image-20220602104923-13.png]]
178 178  
179 179  
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
194 +[[image:image-20220602104948-14.png]]
182 182  
183 -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/]]
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
197 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 +**The following picture shows that the burning is successful**
186 186  
200 +[[image:image-20220602105251-15.png]]
187 187  
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 190  
204 += LA66 USB LoRaWAN Adapter =
191 191  
192 -=== 1.8.1  Items needed for update ===
206 +== Overview ==
193 193  
208 +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.
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
211 +== Features ==
200 200  
213 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
214 +* Ultra-long RF range
215 +* Support LoRaWAN v1.0.4 protocol
216 +* Support peer-to-peer protocol
217 +* TCXO crystal to ensure RF performance on low temperature
218 +* Spring RF antenna
219 +* Available in different frequency LoRaWAN frequency bands.
220 +* World-wide unique OTAA keys.
221 +* AT Command via UART-TTL interface
222 +* Firmware upgradable via UART interface
201 201  
224 +== Specification ==
202 202  
203 -=== 1.8.2  Connection ===
226 +* CPU: 32-bit 48 MHz
227 +* Flash: 256KB
228 +* RAM: 64KB
229 +* Input Power Range: 5v
230 +* Frequency Range: 150 MHz ~~ 960 MHz
231 +* Maximum Power +22 dBm constant RF output
232 +* High sensitivity: -148 dBm
233 +* Temperature:
234 +** Storage: -55 ~~ +125℃
235 +** Operating: -40 ~~ +85℃
236 +* Humidity:
237 +** Storage: 5 ~~ 95% (Non-Condensing)
238 +** Operating: 10 ~~ 95% (Non-Condensing)
239 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
240 +* LoRa Rx current: <9 mA
204 204  
242 +== Pin Mapping & LED ==
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
244 +== Example Send & Get Messages via LoRaWAN in PC ==
207 207  
246 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
218 218  
252 +Open the serial port tool
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
254 +[[image:image-20220602161617-8.png]]
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
223 223  
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
226 226  
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
227 227  
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
228 228  
229 -=== 1.8.3  Upgrade steps ===
230 230  
266 +3. See Uplink Command
231 231  
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
232 232  
233 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
270 +example: AT+SENDB=01,02,8,05820802581ea0a5
234 234  
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
235 235  
236 -[[image:image-20220602102824-5.png||height="306" width="600"]]
237 237  
275 +4. Check to see if TTN received the message
238 238  
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
239 239  
240 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
241 241  
242 242  
243 -[[image:image-20220602104701-12.png||height="285" width="600"]]
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
244 244  
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
284 +**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
245 245  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
246 246  
247 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
289 +1.LA66 USB LoRaWAN Adapter works fine
248 248  
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
249 249  
250 -(((
251 -(% 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/]]**
252 -)))
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
253 253  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
254 254  
255 -[[image:image-20220602103227-6.png]]
298 +2.Run the python script in PC and see the TTN
256 256  
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
257 257  
258 -[[image:image-20220602103357-7.png]]
259 259  
260 260  
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
261 261  
262 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
306 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
264 264  
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
265 265  
266 -[[image:image-20220602103844-8.png]]
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
267 267  
268 268  
313 +2. Install Minicom in RPi.
269 269  
270 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 -(% style="color:blue" %)**3. Select the bin file to burn**
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
272 272  
317 +(% class="mark" %)apt update
273 273  
274 -[[image:image-20220602104144-9.png]]
319 +(% class="mark" %)apt install minicom
275 275  
276 276  
277 -[[image:image-20220602104251-10.png]]
322 +Use minicom to connect to the RPI's terminal
278 278  
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
279 279  
280 -[[image:image-20220602104402-11.png]]
281 281  
327 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
282 282  
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
283 283  
284 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 -(% style="color:blue" %)**4. Click to start the download**
286 286  
287 -[[image:image-20220602104923-13.png]]
333 +4. Send Uplink message
288 288  
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
289 289  
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
290 290  
291 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 -(% style="color:blue" %)**5. Check update process**
339 +[[image:image-20220602160339-6.png||height="517" width="600"]]
293 293  
341 +Check to see if TTN received the message
294 294  
295 -[[image:image-20220602104948-14.png]]
343 +[[image:image-20220602160627-7.png||height="369" width="800"]]
296 296  
297 297  
298 298  
299 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 -(% style="color:blue" %)**The following picture shows that the burning is successful**
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
301 301  
302 -[[image:image-20220602105251-15.png]]
303 303  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
304 304  
305 305  
306 -= 2.  FAQ =
307 307  
354 += Order Info =
308 308  
309 -== 2.1  How to Compile Source Code for LA66? ==
356 +Part Number:
310 310  
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
311 311  
312 -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]]
360 +**XXX**: The default frequency band
313 313  
362 +* **AS923**: LoRaWAN AS923 band
363 +* **AU915**: LoRaWAN AU915 band
364 +* **EU433**: LoRaWAN EU433 band
365 +* **EU868**: LoRaWAN EU868 band
366 +* **KR920**: LoRaWAN KR920 band
367 +* **US915**: LoRaWAN US915 band
368 +* **IN865**: LoRaWAN IN865 band
369 +* **CN470**: LoRaWAN CN470 band
370 +* **PP**: Peer to Peer LoRa Protocol
314 314  
315 315  
316 -= 3.  Order Info =
373 += Reference =
317 317  
375 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
318 318  
319 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
320 -
321 -
322 -(% style="color:blue" %)**XXX**(%%): The default frequency band
323 -
324 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
325 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
326 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
327 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
328 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
329 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
330 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
331 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
332 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
333 -
334 -
335 -
336 -= 4.  Reference =
337 -
338 -
339 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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