Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 87.15 >
edited by Xiaoling
on 2022/07/13 10:09
To version < 52.1 >
edited by Herong Lu
on 2022/06/02 16:07
>
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Lu
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1 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -**Table of Contents:**
5 += LA66 LoRaWAN Module =
4 4  
5 -{{toc/}}
7 +== What is LA66 LoRaWAN Module ==
6 6  
9 +**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 LoRa 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 program, create and connect your things everywhere.
7 7  
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
10 10  
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 13  
17 +== Specification ==
14 14  
15 -(((
16 -(% 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.
17 -)))
19 +[[image:image-20220517072526-1.png]]
18 18  
19 -(((
20 -(% 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.
21 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
22 22  
23 -(((
24 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
25 -)))
23 +Power Consumption: < 4uA.
26 26  
27 -(((
28 -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.
29 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
30 30  
31 -(((
32 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
33 -)))
27 +Maximum Power +22 dBm constant RF output
34 34  
29 +High sensitivity: -148 dBm
35 35  
36 -== 1.2  Features ==
31 +Temperature:
37 37  
38 -* Support LoRaWAN v1.0.4 protocol
39 -* Support peer-to-peer protocol
40 -* TCXO crystal to ensure RF performance on low temperature
41 -* SMD Antenna pad and i-pex antenna connector
42 -* Available in different frequency LoRaWAN frequency bands.
43 -* World-wide unique OTAA keys.
44 -* AT Command via UART-TTL interface
45 -* Firmware upgradable via UART interface
46 -* Ultra-long RF range
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
47 47  
36 +Humidity:
48 48  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
49 49  
50 -== 1.3  Specification ==
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
51 51  
52 -* CPU: 32-bit 48 MHz
53 -* Flash: 256KB
54 -* RAM: 64KB
55 -* Input Power Range: 1.8v ~~ 3.7v
56 -* Power Consumption: < 4uA.
57 -* Frequency Range: 150 MHz ~~ 960 MHz
58 -* Maximum Power +22 dBm constant RF output
59 -* High sensitivity: -148 dBm
60 -* Temperature:
61 -** Storage: -55 ~~ +125℃
62 -** Operating: -40 ~~ +85℃
63 -* Humidity:
64 -** Storage: 5 ~~ 95% (Non-Condensing)
65 -** Operating: 10 ~~ 95% (Non-Condensing)
66 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 -* LoRa Rx current: <9 mA
68 -* I/O Voltage: 3.3v
43 +LoRa Rx current: <9 mA
69 69  
45 +I/O Voltage: 3.3v
70 70  
71 71  
72 -== 1.4  AT Command ==
48 +== AT Command ==
73 73  
74 74  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
75 75  
76 76  
77 -== 1.5  Dimension ==
53 +== Pin Mapping ==
78 78  
79 -[[image:image-20220517072526-1.png]]
80 -
81 -
82 -
83 -== 1.6  Pin Mapping ==
84 -
85 -
86 86  [[image:image-20220523101537-1.png]]
87 87  
57 +== Land Pattern ==
88 88  
89 -
90 -== 1.7  Land Pattern ==
91 -
92 92  [[image:image-20220517072821-2.png]]
93 93  
94 94  
62 +== Part Number ==
95 95  
96 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
97 97  
66 +**XX**: The default frequency band
98 98  
99 -== 2.1  Overview ==
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
100 100  
101 -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.
77 += LA66 LoRaWAN Shield =
102 102  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
103 103  
104 -== 2.2  Features ==
81 +== Pin Mapping & LED ==
105 105  
106 -* Arduino Shield base on LA66 LoRaWAN module
107 -* Support LoRaWAN v1.0.4 protocol
108 -* Support peer-to-peer protocol
109 -* TCXO crystal to ensure RF performance on low temperature
110 -* SMA connector
111 -* Available in different frequency LoRaWAN frequency bands.
112 -* World-wide unique OTAA keys.
113 -* AT Command via UART-TTL interface
114 -* Firmware upgradable via UART interface
115 -* Ultra-long RF range
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116 116  
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
117 117  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
118 118  
119 -== 2.3  Specification ==
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
120 120  
121 -* CPU: 32-bit 48 MHz
122 -* Flash: 256KB
123 -* RAM: 64KB
124 -* Input Power Range: 1.8v ~~ 3.7v
125 -* Power Consumption: < 4uA.
126 -* Frequency Range: 150 MHz ~~ 960 MHz
127 -* Maximum Power +22 dBm constant RF output
128 -* High sensitivity: -148 dBm
129 -* Temperature:
130 -** Storage: -55 ~~ +125℃
131 -** Operating: -40 ~~ +85℃
132 -* Humidity:
133 -** Storage: 5 ~~ 95% (Non-Condensing)
134 -** Operating: 10 ~~ 95% (Non-Condensing)
135 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
136 -* LoRa Rx current: <9 mA
137 -* I/O Voltage: 3.3v
91 +=== what needs to be used ===
138 138  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
139 139  
95 +2.Arduino
140 140  
141 -== 2.4  Pin Mapping & LED ==
97 +3.USB TO TTL
142 142  
99 +[[image:image-20220602100052-2.png]]
143 143  
101 +=== Wiring Schematic ===
144 144  
145 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
103 +[[image:image-20220602101311-3.png]]
146 146  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
147 147  
107 +GND  >>>>>>>>>>>>GND
148 148  
149 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
109 +TXD  >>>>>>>>>>>>TXD
150 150  
111 +RXD  >>>>>>>>>>>>RXD
151 151  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
152 152  
153 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
115 +Connect to the PC after connecting the wires
154 154  
117 +[[image:image-20220602102240-4.png]]
155 155  
119 +=== Upgrade steps ===
156 156  
157 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
158 158  
123 +[[image:image-20220602102824-5.png]]
159 159  
160 -=== 2.8.1  Items needed for update ===
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
161 161  
162 -1. LA66 LoRaWAN Shield
163 -1. Arduino
164 -1. USB TO TTL Adapter
127 +[[image:image-20220602104701-12.png]]
165 165  
129 +==== Open the upgrade application software ====
166 166  
131 +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/]]
167 167  
168 -
169 -[[image:image-20220602100052-2.png||height="385" width="600"]]
170 -
171 -
172 -=== 2.8.2  Connection ===
173 -
174 -
175 -[[image:image-20220602101311-3.png||height="276" width="600"]]
176 -
177 -
178 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
179 -
180 -(% style="background-color:yellow" %)**GND  <-> GND
181 -TXD  <->  TXD
182 -RXD  <->  RXD**
183 -
184 -
185 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
186 -
187 -Connect USB TTL Adapter to PC after connecting the wires
188 -
189 -
190 -[[image:image-20220602102240-4.png||height="304" width="600"]]
191 -
192 -
193 -=== 2.8.3  Upgrade steps ===
194 -
195 -
196 -==== 1.  Switch SW1 to put in ISP position ====
197 -
198 -
199 -[[image:image-20220602102824-5.png||height="306" width="600"]]
200 -
201 -
202 -
203 -==== 2.  Press the RST switch once ====
204 -
205 -
206 -[[image:image-20220602104701-12.png||height="285" width="600"]]
207 -
208 -
209 -
210 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
211 -
212 -
213 -(% 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/]]**
214 -
215 -
216 216  [[image:image-20220602103227-6.png]]
217 217  
218 -
219 219  [[image:image-20220602103357-7.png]]
220 220  
137 +===== Select the COM port corresponding to USB TTL =====
221 221  
222 -
223 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
224 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
225 -
226 -
227 227  [[image:image-20220602103844-8.png]]
228 228  
141 +===== Select the bin file to burn =====
229 229  
230 -
231 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
232 -(% style="color:blue" %)**3. Select the bin file to burn**
233 -
234 -
235 235  [[image:image-20220602104144-9.png]]
236 236  
237 -
238 238  [[image:image-20220602104251-10.png]]
239 239  
240 -
241 241  [[image:image-20220602104402-11.png]]
242 242  
149 +===== Click to start the download =====
243 243  
244 -
245 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
246 -(% style="color:blue" %)**4. Click to start the download**
247 -
248 248  [[image:image-20220602104923-13.png]]
249 249  
153 +===== The following figure appears to prove that the burning is in progress =====
250 250  
251 -
252 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
253 -(% style="color:blue" %)**5. Check update process**
254 -
255 -
256 256  [[image:image-20220602104948-14.png]]
257 257  
157 +===== The following picture appears to prove that the burning is successful =====
258 258  
259 -
260 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
261 -(% style="color:blue" %)**The following picture shows that the burning is successful**
262 -
263 263  [[image:image-20220602105251-15.png]]
264 264  
161 += LA66 USB LoRaWAN Adapter =
265 265  
163 +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.
266 266  
267 -= 3.  LA66 USB LoRaWAN Adapter =
165 +Before use, please make sure that the computer has installed the CP2102 driver
268 268  
167 +== Pin Mapping & LED ==
269 269  
270 -== 3.1  Overview ==
169 +== Example Send & Get Messages via LoRaWAN in PC ==
271 271  
272 -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.
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
273 273  
173 +Connect the LA66 LoRa Shield to the RPI
274 274  
275 -== 3.2  Features ==
175 +[[image:image-20220602153333-4.png]]
276 276  
277 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
278 -* Ultra-long RF range
279 -* Support LoRaWAN v1.0.4 protocol
280 -* Support peer-to-peer protocol
281 -* TCXO crystal to ensure RF performance on low temperature
282 -* Spring RF antenna
283 -* Available in different frequency LoRaWAN frequency bands.
284 -* World-wide unique OTAA keys.
285 -* AT Command via UART-TTL interface
286 -* Firmware upgradable via UART interface
177 +Log in to the RPI's terminal and connect to the serial port
287 287  
179 +[[image:image-20220602153146-3.png]]
288 288  
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
289 289  
290 -== 3.3  Specification ==
184 +[[image:image-20220602154928-5.png]]
291 291  
292 -* CPU: 32-bit 48 MHz
293 -* Flash: 256KB
294 -* RAM: 64KB
295 -* Input Power Range: 5v
296 -* Frequency Range: 150 MHz ~~ 960 MHz
297 -* Maximum Power +22 dBm constant RF output
298 -* High sensitivity: -148 dBm
299 -* Temperature:
300 -** Storage: -55 ~~ +125℃
301 -** Operating: -40 ~~ +85℃
302 -* Humidity:
303 -** Storage: 5 ~~ 95% (Non-Condensing)
304 -** Operating: 10 ~~ 95% (Non-Condensing)
305 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
306 -* LoRa Rx current: <9 mA
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
307 307  
308 -
309 -
310 -== 3.4  Pin Mapping & LED ==
311 -
312 -
313 -
314 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
315 -
316 -
317 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
318 -
319 -
320 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
321 -
322 -
323 -[[image:image-20220602171217-1.png||height="538" width="800"]]
324 -
325 -
326 -Open the serial port tool
327 -
328 -[[image:image-20220602161617-8.png]]
329 -
330 -[[image:image-20220602161718-9.png||height="457" width="800"]]
331 -
332 -
333 -
334 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
335 -
336 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
337 -
338 -
339 -[[image:image-20220602161935-10.png||height="498" width="800"]]
340 -
341 -
342 -
343 -(% style="color:blue" %)**3. See Uplink Command**
344 -
345 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
346 -
347 347  example: AT+SENDB=01,02,8,05820802581ea0a5
348 348  
349 -[[image:image-20220602162157-11.png||height="497" width="800"]]
190 +[[image:image-20220602160339-6.png]]
350 350  
192 +Check to see if TTN received the message
351 351  
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
352 352  
353 -(% style="color:blue" %)**4. Check to see if TTN received the message**
196 +=== Install Minicom ===
354 354  
355 -[[image:image-20220602162331-12.png||height="420" width="800"]]
198 +Enter the following command in the RPI terminal
356 356  
200 +apt update
357 357  
202 +[[image:image-20220602143155-1.png]]
358 358  
359 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
204 +apt install minicom
360 360  
206 +[[image:image-20220602143744-2.png]]
361 361  
362 -**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]]
208 +=== Use AT Command to send an uplink message. ===
363 363  
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
364 364  
365 -(% style="color:red" %)**Preconditions:**
212 +==== Take python as an example： ====
366 366  
367 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
214 +===== Preconditions: =====
368 368  
369 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
216 +1.LA66 LoRa Shield works fine
370 370  
218 +2.LA66 LoRa Shield is registered with TTN
371 371  
220 +===== Steps for usage =====
372 372  
373 -(% style="color:blue" %)**Steps for usage:**
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
374 374  
375 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
224 +[[image:image-20220602114148-1.png]]
376 376  
377 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
226 +2.Run the script and see the TTN
378 378  
379 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
228 +[[image:image-20220602115852-3.png]]
380 380  
381 381  
382 382  
383 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
384 384  
385 385  
386 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
387 -
388 -
389 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
390 -
391 -[[image:image-20220602171233-2.png||height="538" width="800"]]
392 -
393 -
394 -
395 -(% style="color:blue" %)**2. Install Minicom in RPi.**
396 -
397 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
398 -
399 - (% style="background-color:yellow" %)**apt update**
400 -
401 - (% style="background-color:yellow" %)**apt install minicom**
402 -
403 -
404 -Use minicom to connect to the RPI's terminal
405 -
406 -[[image:image-20220602153146-3.png||height="439" width="500"]]
407 -
408 -
409 -
410 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
411 -
412 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
413 -
414 -
415 -[[image:image-20220602154928-5.png||height="436" width="500"]]
416 -
417 -
418 -
419 -(% style="color:blue" %)**4. Send Uplink message**
420 -
421 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
422 -
423 -example: AT+SENDB=01,02,8,05820802581ea0a5
424 -
425 -
426 -[[image:image-20220602160339-6.png||height="517" width="600"]]
427 -
428 -
429 -
430 -Check to see if TTN received the message
431 -
432 -[[image:image-20220602160627-7.png||height="369" width="800"]]
433 -
434 -
435 -
436 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
437 -
438 -
439 -
440 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
441 -
442 -
443 -
444 -
445 -= 4.  Order Info =
446 -
447 -
448 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
449 -
450 -
451 -(% style="color:blue" %)**XXX**(%%): The default frequency band
452 -
453 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
454 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
455 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
456 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
457 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
458 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
459 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
460 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
461 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
462 -
463 -
464 -
465 -= 5.  Reference =
466 -
467 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
468 -
469 -
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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