Last modified by Xiaoling on 2023/05/26 14:19
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From version < 148.1 >
edited by Xiaoling
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -1,61 +1,98 @@
1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
8 8  
7 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
10 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
13 +(% 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 -)))
15 +(% 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  
26 +* Support LoRaWAN v1.0.4 protocol
27 +* Support peer-to-peer protocol
28 +* TCXO crystal to ensure RF performance on low temperature
29 +* SMD Antenna pad and i-pex antenna connector
30 +* Available in different frequency LoRaWAN frequency bands.
31 +* World-wide unique OTAA keys.
32 +* AT Command via UART-TTL interface
33 +* Firmware upgradable via UART interface
34 +* Ultra-long RF range
56 56  
36 +
37 +
38 +== 1.3  Specification ==
39 +
40 +* CPU: 32-bit 48 MHz
41 +* Flash: 256KB
42 +* RAM: 64KB
43 +* Input Power Range: 1.8v ~~ 3.7v
44 +* Power Consumption: < 4uA.
45 +* Frequency Range: 150 MHz ~~ 960 MHz
46 +* Maximum Power +22 dBm constant RF output
47 +* High sensitivity: -148 dBm
48 +* Temperature:
49 +** Storage: -55 ~~ +125℃
50 +** Operating: -40 ~~ +85℃
51 +* Humidity:
52 +** Storage: 5 ~~ 95% (Non-Condensing)
53 +** Operating: 10 ~~ 95% (Non-Condensing)
54 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
55 +* LoRa Rx current: <9 mA
56 +* I/O Voltage: 3.3v
57 +
58 +
59 +
60 +== 1.4  AT Command ==
61 +
62 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 +
64 +
65 +== 1.5  Dimension ==
66 +
67 +[[image:image-20220517072526-1.png]]
68 +
69 +
70 +
71 +== 1.6  Pin Mapping ==
72 +
73 +
74 +[[image:image-20220523101537-1.png]]
75 +
76 +
77 +
78 +== 1.7  Land Pattern ==
79 +
80 +[[image:image-20220517072821-2.png]]
81 +
82 +
83 +
84 += 2.  LA66 LoRaWAN Shield =
85 +
86 +
87 +== 2.1  Overview ==
88 +
89 +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.
90 +
91 +
92 +== 2.2  Features ==
93 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
95 +* 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 61  * SMA connector
... ... @@ -66,8 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -== 1.3  Specification ==
70 70  
107 +== 2.3  Specification ==
71 71  
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
... ... @@ -89,237 +89,303 @@
89 89  
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-20220817085048-1.png]]
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
97 97  
98 98  
99 -~1. The LED lights up red when there is an upstream data packet
100 -2. When the network is successfully connected, the green light will be on for 5 seconds
101 -3. Purple light on when receiving downlink data packets
102 102  
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
103 103  
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106 106  
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
107 107  
108 -**Show connection diagram：**
109 109  
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
112 112  
113 113  
148 +=== 2.8.1  Items needed for update ===
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
116 116  
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
117 117  
118 -[[image:image-20220723170545-4.png]]
119 119  
157 +=== 2.8.2  Connection ===
120 120  
121 121  
122 -(% style="color:blue" %)**2.  Open project**
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
123 123  
124 124  
125 -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]]
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
126 126  
127 -[[image:image-20220726135239-1.png]]
165 +(% style="background-color:yellow" %)**GND  <-> GND
166 +TXD  <->  TXD
167 +RXD  <->  RXD**
128 128  
129 129  
130 -(% 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**
170 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
131 131  
132 -[[image:image-20220726135356-2.png]]
172 +Connect USB TTL Adapter to PC after connecting the wires
133 133  
134 134  
135 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
175 +[[image:image-20220602102240-4.png||height="304" width="600"]]
136 136  
137 137  
138 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
178 +=== 2.8.3  Upgrade steps ===
139 139  
140 140  
181 +==== 1.  Switch SW1 to put in ISP position ====
141 141  
142 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
143 143  
184 +[[image:image-20220602102824-5.png||height="306" width="600"]]
144 144  
145 -(% style="color:blue" %)**1.  Open project**
146 146  
187 +==== 2.  Press the RST switch once ====
147 147  
148 -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]]
189 +[[image:image-20220602104701-12.png||height="285" width="600"]]
149 149  
150 150  
151 -[[image:image-20220723172502-8.png]]
192 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
152 152  
153 153  
195 +(% 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/]]**
154 154  
155 -(% 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**
156 156  
198 +[[image:image-20220602103227-6.png]]
157 157  
158 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
159 159  
201 +[[image:image-20220602103357-7.png]]
160 160  
161 161  
162 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
163 163  
205 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
206 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
164 164  
165 -(% style="color:blue" %)**1.  Open project**
166 166  
209 +[[image:image-20220602103844-8.png]]
167 167  
168 -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]]
169 169  
170 170  
171 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
213 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
214 +(% style="color:blue" %)**3. Select the bin file to burn**
172 172  
173 173  
217 +[[image:image-20220602104144-9.png]]
174 174  
175 -(% 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**
176 176  
220 +[[image:image-20220602104251-10.png]]
177 177  
178 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
179 179  
223 +[[image:image-20220602104402-11.png]]
180 180  
181 181  
182 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
183 183  
184 -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/]]
227 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
228 +(% style="color:blue" %)**4. Click to start the download**
185 185  
186 -[[image:image-20220723175700-12.png||height="602" width="995"]]
230 +[[image:image-20220602104923-13.png]]
187 187  
188 188  
233 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 +(% style="color:blue" %)**5. Check update process**
189 189  
190 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
191 191  
237 +[[image:image-20220602104948-14.png]]
192 192  
193 -=== 1.8.1  Items needed for update ===
194 194  
195 195  
196 -1. LA66 LoRaWAN Shield
197 -1. Arduino
198 -1. USB TO TTL Adapter
241 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 +(% style="color:blue" %)**The following picture shows that the burning is successful**
199 199  
200 -[[image:image-20220602100052-2.png||height="385" width="600"]]
244 +[[image:image-20220602105251-15.png]]
201 201  
202 202  
203 203  
204 -=== 1.8.2  Connection ===
248 += 3.  LA66 USB LoRaWAN Adapter =
205 205  
206 206  
207 -[[image:image-20220602101311-3.png||height="276" width="600"]]
251 +== 3.1  Overview ==
208 208  
253 +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.
209 209  
210 -(((
211 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
212 -)))
213 213  
214 -(((
215 -(% style="background-color:yellow" %)**GND  <-> GND
216 -TXD  <->  TXD
217 -RXD  <->  RXD**
218 -)))
256 +== 3.2  Features ==
219 219  
258 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 +* Ultra-long RF range
260 +* Support LoRaWAN v1.0.4 protocol
261 +* Support peer-to-peer protocol
262 +* TCXO crystal to ensure RF performance on low temperature
263 +* Spring RF antenna
264 +* Available in different frequency LoRaWAN frequency bands.
265 +* World-wide unique OTAA keys.
266 +* AT Command via UART-TTL interface
267 +* Firmware upgradable via UART interface
220 220  
221 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
269 +== 3.3  Specification ==
222 222  
223 -Connect USB TTL Adapter to PC after connecting the wires
271 +* CPU: 32-bit 48 MHz
272 +* Flash: 256KB
273 +* RAM: 64KB
274 +* Input Power Range: 5v
275 +* Frequency Range: 150 MHz ~~ 960 MHz
276 +* Maximum Power +22 dBm constant RF output
277 +* High sensitivity: -148 dBm
278 +* Temperature:
279 +** Storage: -55 ~~ +125℃
280 +** Operating: -40 ~~ +85℃
281 +* Humidity:
282 +** Storage: 5 ~~ 95% (Non-Condensing)
283 +** Operating: 10 ~~ 95% (Non-Condensing)
284 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
285 +* LoRa Rx current: <9 mA
224 224  
287 +== 3.4  Pin Mapping & LED ==
225 225  
226 -[[image:image-20220602102240-4.png||height="304" width="600"]]
227 227  
228 228  
291 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
229 229  
230 -=== 1.8.3  Upgrade steps ===
231 231  
294 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
232 232  
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
297 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
235 235  
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
300 +[[image:image-20220602171217-1.png||height="538" width="800"]]
238 238  
239 239  
303 +Open the serial port tool
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
305 +[[image:image-20220602161617-8.png]]
242 242  
307 +[[image:image-20220602161718-9.png||height="457" width="800"]]
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
245 245  
246 246  
311 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
249 249  
250 250  
251 -(((
252 -(% 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/]]**
253 -)))
316 +[[image:image-20220602161935-10.png||height="498" width="800"]]
254 254  
255 255  
256 -[[image:image-20220602103227-6.png]]
257 257  
320 +(% style="color:blue" %)**3. See Uplink Command**
258 258  
259 -[[image:image-20220602103357-7.png]]
322 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
260 260  
324 +example: AT+SENDB=01,02,8,05820802581ea0a5
261 261  
326 +[[image:image-20220602162157-11.png||height="497" width="800"]]
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
265 265  
266 266  
267 -[[image:image-20220602103844-8.png]]
330 +(% style="color:blue" %)**4. Check to see if TTN received the message**
268 268  
332 +[[image:image-20220602162331-12.png||height="420" width="800"]]
269 269  
270 270  
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
273 273  
336 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
274 274  
275 -[[image:image-20220602104144-9.png]]
276 276  
339 +**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]]
277 277  
278 -[[image:image-20220602104251-10.png]]
279 279  
342 +(% style="color:red" %)**Preconditions:**
280 280  
281 -[[image:image-20220602104402-11.png]]
344 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
282 282  
346 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
283 283  
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
287 287  
288 -[[image:image-20220602104923-13.png]]
350 +(% style="color:blue" %)**Steps for usage:**
289 289  
352 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
290 290  
354 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
356 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
294 294  
295 295  
296 -[[image:image-20220602104948-14.png]]
297 297  
360 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
298 298  
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
363 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
302 302  
303 -[[image:image-20220602105251-15.png]]
304 304  
366 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
305 305  
368 +[[image:image-20220602171233-2.png||height="538" width="800"]]
306 306  
307 -= 2.  FAQ =
308 308  
309 309  
310 -== 2.1  How to Compile Source Code for LA66? ==
372 +(% style="color:blue" %)**2. Install Minicom in RPi.**
311 311  
374 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
312 312  
313 -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]]
376 + (% style="background-color:yellow" %)**apt update**
314 314  
378 + (% style="background-color:yellow" %)**apt install minicom**
315 315  
316 316  
317 -= 3.  Order Info =
381 +Use minicom to connect to the RPI's terminal
318 318  
383 +[[image:image-20220602153146-3.png||height="439" width="500"]]
319 319  
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
321 321  
322 322  
387 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388 +(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
389 +
390 +[[image:image-20220602154928-5.png||height="436" width="500"]]
391 +
392 +
393 +
394 +(% style="color:blue" %)**4. Send Uplink message**
395 +
396 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
397 +
398 +example: AT+SENDB=01,02,8,05820802581ea0a5
399 +
400 +
401 +[[image:image-20220602160339-6.png||height="517" width="600"]]
402 +
403 +
404 +
405 +Check to see if TTN received the message
406 +
407 +[[image:image-20220602160627-7.png||height="369" width="800"]]
408 +
409 +
410 +
411 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
412 +
413 +
414 +
415 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
416 +
417 +
418 +
419 +
420 += 4.  Order Info =
421 +
422 +
423 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
424 +
425 +
323 323  (% style="color:blue" %)**XXX**(%%): The default frequency band
324 324  
325 325  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -332,7 +332,11 @@
332 332  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 333  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334 334  
335 -= 4.  Reference =
336 336  
337 337  
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
440 +
441 += 5.  Reference =
442 +
443 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
444 +
445 +
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