Last modified by Xiaoling on 2023/05/26 14:19
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From version < 146.9 >
edited by Xiaoling
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -1,59 +1,98 @@
1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
7 7  
8 8  
11 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
14 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
17 +(% 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.
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 +(% 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.
19 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  
53 -
54 54  == 1.2  Features ==
55 55  
30 +* Support LoRaWAN v1.0.4 protocol
31 +* Support peer-to-peer protocol
32 +* TCXO crystal to ensure RF performance on low temperature
33 +* SMD Antenna pad and i-pex antenna connector
34 +* Available in different frequency LoRaWAN frequency bands.
35 +* World-wide unique OTAA keys.
36 +* AT Command via UART-TTL interface
37 +* Firmware upgradable via UART interface
38 +* Ultra-long RF range
56 56  
40 +
41 +== 1.3  Specification ==
42 +
43 +* CPU: 32-bit 48 MHz
44 +* Flash: 256KB
45 +* RAM: 64KB
46 +* Input Power Range: 1.8v ~~ 3.7v
47 +* Power Consumption: < 4uA.
48 +* Frequency Range: 150 MHz ~~ 960 MHz
49 +* Maximum Power +22 dBm constant RF output
50 +* High sensitivity: -148 dBm
51 +* Temperature:
52 +** Storage: -55 ~~ +125℃
53 +** Operating: -40 ~~ +85℃
54 +* Humidity:
55 +** Storage: 5 ~~ 95% (Non-Condensing)
56 +** Operating: 10 ~~ 95% (Non-Condensing)
57 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 +* LoRa Rx current: <9 mA
59 +* I/O Voltage: 3.3v
60 +
61 +
62 +== 1.4  AT Command ==
63 +
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
65 +
66 +
67 +== 1.5  Dimension ==
68 +
69 +[[image:image-20220517072526-1.png]]
70 +
71 +
72 +
73 +== 1.6  Pin Mapping ==
74 +
75 +
76 +[[image:image-20220523101537-1.png]]
77 +
78 +
79 +
80 +== 1.7  Land Pattern ==
81 +
82 +[[image:image-20220517072821-2.png]]
83 +
84 +
85 +
86 += 2.  LA66 LoRaWAN Shield =
87 +
88 +
89 +== 2.1  Overview ==
90 +
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.
92 +
93 +
94 +== 2.2  Features ==
95 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 58  * Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
... ... @@ -66,10 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
108 +== 2.3  Specification ==
69 69  
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -89,251 +89,297 @@
89 89  * I/O Voltage: 3.3v
90 90  
91 91  
129 +== 2.4  Pin Mapping & LED ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
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  
102 102  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
105 105  
106 106  
107 -**Show connection diagram：**
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
108 108  
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
111 111  
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112 112  
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
148 +=== 2.8.1  Items needed for update ===
115 115  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
116 116  
117 -[[image:image-20220723170545-4.png]]
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
118 118  
119 119  
157 +=== 2.8.2  Connection ===
120 120  
121 -(% style="color:blue" %)**2.  Open project**
122 122  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
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]]
125 125  
126 -[[image:image-20220726135239-1.png]]
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
127 127  
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**
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
130 130  
131 -[[image:image-20220726135356-2.png]]
132 132  
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
173 +Connect USB TTL Adapter to PC after connecting the wires
135 135  
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
138 138  
139 139  
179 +=== 2.8.3  Upgrade steps ===
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
142 142  
182 +==== 1.  Switch SW1 to put in ISP position ====
143 143  
144 -(% style="color:blue" %)**1.  Open project**
145 145  
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
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]]
148 148  
188 +==== 2.  Press the RST switch once ====
149 149  
150 -[[image:image-20220723172502-8.png]]
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
151 151  
152 152  
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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**
155 155  
196 +(% 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/]]**
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
158 158  
199 +[[image:image-20220602103227-6.png]]
159 159  
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
202 +[[image:image-20220602103357-7.png]]
162 162  
163 163  
164 -(% style="color:blue" %)**1.  Open project**
165 165  
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
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  
210 +[[image:image-20220602103844-8.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
171 171  
172 172  
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
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  
218 +[[image:image-20220602104144-9.png]]
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
178 178  
221 +[[image:image-20220602104251-10.png]]
179 179  
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
224 +[[image:image-20220602104402-11.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"]]
186 186  
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
187 187  
231 +[[image:image-20220602104923-13.png]]
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
190 190  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
191 191  
192 -=== 1.8.1  Items needed for update ===
193 193  
238 +[[image:image-20220602104948-14.png]]
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"]]
200 200  
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
201 201  
245 +[[image:image-20220602105251-15.png]]
202 202  
203 -=== 1.8.2  Connection ===
204 204  
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
249 += 3.  LA66 USB LoRaWAN Adapter =
207 207  
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
252 +== 3.1  Overview ==
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
254 +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.
218 218  
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
257 +== 3.2  Features ==
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
223 223  
270 +== Specification ==
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
272 +* CPU: 32-bit 48 MHz
273 +* Flash: 256KB
274 +* RAM: 64KB
275 +* Input Power Range: 5v
276 +* Frequency Range: 150 MHz ~~ 960 MHz
277 +* Maximum Power +22 dBm constant RF output
278 +* High sensitivity: -148 dBm
279 +* Temperature:
280 +** Storage: -55 ~~ +125℃
281 +** Operating: -40 ~~ +85℃
282 +* Humidity:
283 +** Storage: 5 ~~ 95% (Non-Condensing)
284 +** Operating: 10 ~~ 95% (Non-Condensing)
285 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 +* LoRa Rx current: <9 mA
226 226  
288 +== Pin Mapping & LED ==
227 227  
290 +== Example Send & Get Messages via LoRaWAN in PC ==
228 228  
229 -=== 1.8.3  Upgrade steps ===
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
230 230  
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
231 231  
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
232 232  
233 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
298 +Open the serial port tool
234 234  
300 +[[image:image-20220602161617-8.png]]
235 235  
236 -[[image:image-20220602102824-5.png||height="306" width="600"]]
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
237 237  
238 238  
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
239 239  
240 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
241 241  
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
242 242  
243 -[[image:image-20220602104701-12.png||height="285" width="600"]]
244 244  
312 +3. See Uplink Command
245 245  
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
246 246  
247 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
248 248  
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
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 -)))
253 253  
321 +4. Check to see if TTN received the message
254 254  
255 -[[image:image-20220602103227-6.png]]
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
256 256  
257 257  
258 -[[image:image-20220602103357-7.png]]
259 259  
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
260 260  
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**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]]
261 261  
262 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
263 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
264 264  
335 +1.LA66 USB LoRaWAN Adapter works fine
265 265  
266 -[[image:image-20220602103844-8.png]]
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
267 267  
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
268 268  
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
269 269  
270 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
271 -(% style="color:blue" %)**3. Select the bin file to burn**
344 +2.Run the python script in PC and see the TTN
272 272  
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
273 273  
274 -[[image:image-20220602104144-9.png]]
275 275  
276 276  
277 -[[image:image-20220602104251-10.png]]
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
278 278  
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
279 279  
280 -[[image:image-20220602104402-11.png]]
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
281 281  
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
282 282  
283 283  
284 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
285 -(% style="color:blue" %)**4. Click to start the download**
359 +2. Install Minicom in RPi.
286 286  
287 -[[image:image-20220602104923-13.png]]
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
288 288  
363 +(% class="mark" %)apt update
289 289  
365 +(% class="mark" %)apt install minicom
290 290  
291 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
292 -(% style="color:blue" %)**5. Check update process**
293 293  
368 +Use minicom to connect to the RPI's terminal
294 294  
295 -[[image:image-20220602104948-14.png]]
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
296 296  
297 297  
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
298 298  
299 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
300 -(% style="color:blue" %)**The following picture shows that the burning is successful**
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
301 301  
302 -[[image:image-20220602105251-15.png]]
303 303  
379 +4. Send Uplink message
304 304  
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
305 305  
306 -= 2.  FAQ =
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
307 307  
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
308 308  
309 -== 2.1  How to Compile Source Code for LA66? ==
387 +Check to see if TTN received the message
310 310  
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
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]]
313 313  
314 314  
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
315 315  
316 -= 3.  Order Info =
317 317  
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
318 318  
319 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
320 320  
321 321  
322 -(% style="color:blue" %)**XXX**(%%): The default frequency band
400 += Order Info =
323 323  
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
402 +Part Number:
333 333  
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
334 334  
406 +**XXX**: The default frequency band
335 335  
336 -= 4.  Reference =
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
337 337  
418 += Reference =
338 338  
339 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
422 +
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