Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 90.1 >
edited by Edwin Chen
on 2022/07/15 00:10
To version < 31.1 >
edited by Herong Lu
on 2022/06/02 10:52
>
Change comment: Uploaded new attachment "image-20220602105251-15.png", version {1}

Summary

Details

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1 -XWiki.Edwin
1 +XWiki.Lu
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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 -= 1.  LA66 LoRaWAN Module =
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.
10 10  
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.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
13 13  
14 14  
15 -(((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
17 17  
18 -(% 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.
19 -)))
17 +== Specification ==
20 20  
21 -(((
22 -(% 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.
23 -)))
19 +[[image:image-20220517072526-1.png]]
24 24  
25 -(((
26 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
28 28  
29 -(((
30 -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.
31 -)))
23 +Power Consumption: < 4uA.
32 32  
33 -(((
34 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
36 36  
27 +Maximum Power +22 dBm constant RF output
37 37  
38 -== 1.2  Features ==
29 +High sensitivity: -148 dBm
39 39  
40 -* Support LoRaWAN v1.0.4 protocol
41 -* Support peer-to-peer protocol
42 -* TCXO crystal to ensure RF performance on low temperature
43 -* SMD Antenna pad and i-pex antenna connector
44 -* Available in different frequency LoRaWAN frequency bands.
45 -* World-wide unique OTAA keys.
46 -* AT Command via UART-TTL interface
47 -* Firmware upgradable via UART interface
48 -* Ultra-long RF range
31 +Temperature:
49 49  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
50 50  
51 -== 1.3  Specification ==
36 +Humidity:
52 52  
53 -* CPU: 32-bit 48 MHz
54 -* Flash: 256KB
55 -* RAM: 64KB
56 -* Input Power Range: 1.8v ~~ 3.7v
57 -* Power Consumption: < 4uA.
58 -* Frequency Range: 150 MHz ~~ 960 MHz
59 -* Maximum Power +22 dBm constant RF output
60 -* High sensitivity: -148 dBm
61 -* Temperature:
62 -** Storage: -55 ~~ +125℃
63 -** Operating: -40 ~~ +85℃
64 -* Humidity:
65 -** Storage: 5 ~~ 95% (Non-Condensing)
66 -** Operating: 10 ~~ 95% (Non-Condensing)
67 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
68 -* LoRa Rx current: <9 mA
69 -* I/O Voltage: 3.3v
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
70 70  
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
72 -== 1.4  AT Command ==
43 +LoRa Rx current: <9 mA
73 73  
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.
45 +I/O Voltage: 3.3v
75 75  
76 76  
77 -== 1.5  Dimension ==
48 +== AT Command ==
78 78  
79 -[[image:image-20220517072526-1.png]]
50 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
80 80  
81 81  
53 +== Pin Mapping ==
82 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  
77 += LA66 LoRaWAN Shield =
101 101  
102 -[[image:image-20220715000826-2.png||height="386" width="449"]]
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  
81 +== Pin Mapping & LED ==
104 104  
105 -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.
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
106 106  
107 -(((
108 -(% 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.
109 -)))
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
110 110  
111 -(((
112 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
113 -)))
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
115 -(((
116 -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.
117 -)))
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
118 118  
119 -(((
120 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
121 -)))
91 +=== what needs to be used ===
122 122  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
123 123  
124 -== 2.2  Features ==
95 +2.Arduino
125 125  
126 -* Arduino Shield base on LA66 LoRaWAN module
127 -* Support LoRaWAN v1.0.4 protocol
128 -* Support peer-to-peer protocol
129 -* TCXO crystal to ensure RF performance on low temperature
130 -* SMA connector
131 -* Available in different frequency LoRaWAN frequency bands.
132 -* World-wide unique OTAA keys.
133 -* AT Command via UART-TTL interface
134 -* Firmware upgradable via UART interface
135 -* Ultra-long RF range
97 +3.USB TO TTL
136 136  
99 +[[image:image-20220602100052-2.png]]
137 137  
138 -== 2.3  Specification ==
101 +=== Wiring Schematic ===
139 139  
140 -* CPU: 32-bit 48 MHz
141 -* Flash: 256KB
142 -* RAM: 64KB
143 -* Input Power Range: 1.8v ~~ 3.7v
144 -* Power Consumption: < 4uA.
145 -* Frequency Range: 150 MHz ~~ 960 MHz
146 -* Maximum Power +22 dBm constant RF output
147 -* High sensitivity: -148 dBm
148 -* Temperature:
149 -** Storage: -55 ~~ +125℃
150 -** Operating: -40 ~~ +85℃
151 -* Humidity:
152 -** Storage: 5 ~~ 95% (Non-Condensing)
153 -** Operating: 10 ~~ 95% (Non-Condensing)
154 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
155 -* LoRa Rx current: <9 mA
156 -* I/O Voltage: 3.3v
103 +[[image:image-20220602101311-3.png]]
157 157  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
158 158  
159 -== 2.4  Pin Mapping & LED ==
107 +GND  >>>>>>>>>>>>GND
160 160  
109 +TXD  >>>>>>>>>>>>TXD
161 161  
111 +RXD  >>>>>>>>>>>>RXD
162 162  
163 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
164 164  
115 +Connect to the PC after connecting the wires
165 165  
117 +[[image:image-20220602102240-4.png]]
166 166  
167 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
119 +=== Upgrade steps ===
168 168  
169 169  
122 += LA66 USB LoRaWAN Adapter =
170 170  
171 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124 +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.
172 172  
126 +== Pin Mapping & LED ==
173 173  
128 +== Example Send & Get Messages via LoRaWAN in PC ==
174 174  
175 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
130 +== Example Send & Get Messages via LoRaWAN in RPi ==
176 176  
132 +=== Install USB Driver ===
177 177  
178 -=== 2.8.1  Items needed for update ===
134 +=== Install Minicom ===
179 179  
180 -1. LA66 LoRaWAN Shield
181 -1. Arduino
182 -1. USB TO TTL Adapter
136 +=== Use AT Command to send an uplink message. ===
183 183  
138 +=== Send CPU/RAM usage to TTN via a script. ===
184 184  
185 185  
186 -[[image:image-20220602100052-2.png||height="385" width="600"]]
141 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
187 187  
188 188  
189 -=== 2.8.2  Connection ===
190 -
191 -
192 -[[image:image-20220602101311-3.png||height="276" width="600"]]
193 -
194 -
195 -(((
196 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
197 -)))
198 -
199 -(((
200 -(% style="background-color:yellow" %)**GND  <-> GND
201 -TXD  <->  TXD
202 -RXD  <->  RXD**
203 -)))
204 -
205 -
206 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
207 -
208 -Connect USB TTL Adapter to PC after connecting the wires
209 -
210 -
211 -[[image:image-20220602102240-4.png||height="304" width="600"]]
212 -
213 -
214 -=== 2.8.3  Upgrade steps ===
215 -
216 -
217 -==== 1.  Switch SW1 to put in ISP position ====
218 -
219 -
220 -[[image:image-20220602102824-5.png||height="306" width="600"]]
221 -
222 -
223 -
224 -==== 2.  Press the RST switch once ====
225 -
226 -
227 -[[image:image-20220602104701-12.png||height="285" width="600"]]
228 -
229 -
230 -
231 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
232 -
233 -
234 -(((
235 -(% 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/]]**
236 -)))
237 -
238 -
239 -[[image:image-20220602103227-6.png]]
240 -
241 -
242 -[[image:image-20220602103357-7.png]]
243 -
244 -
245 -
246 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
247 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
248 -
249 -
250 -[[image:image-20220602103844-8.png]]
251 -
252 -
253 -
254 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
255 -(% style="color:blue" %)**3. Select the bin file to burn**
256 -
257 -
258 -[[image:image-20220602104144-9.png]]
259 -
260 -
261 -[[image:image-20220602104251-10.png]]
262 -
263 -
264 -[[image:image-20220602104402-11.png]]
265 -
266 -
267 -
268 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
269 -(% style="color:blue" %)**4. Click to start the download**
270 -
271 -[[image:image-20220602104923-13.png]]
272 -
273 -
274 -
275 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
276 -(% style="color:blue" %)**5. Check update process**
277 -
278 -
279 -[[image:image-20220602104948-14.png]]
280 -
281 -
282 -
283 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
284 -(% style="color:blue" %)**The following picture shows that the burning is successful**
285 -
286 -[[image:image-20220602105251-15.png]]
287 -
288 -
289 -
290 -= 3.  LA66 USB LoRaWAN Adapter =
291 -
292 -
293 -== 3.1  Overview ==
294 -
295 -(% style="color:blue" %)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.
296 -
297 -(((
298 -(% 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.
299 -)))
300 -
301 -(((
302 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
303 -)))
304 -
305 -(((
306 -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.
307 -)))
308 -
309 -(((
310 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
311 -)))
312 -
313 -
314 -== 3.2  Features ==
315 -
316 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
317 -* Ultra-long RF range
318 -* Support LoRaWAN v1.0.4 protocol
319 -* Support peer-to-peer protocol
320 -* TCXO crystal to ensure RF performance on low temperature
321 -* Spring RF antenna
322 -* Available in different frequency LoRaWAN frequency bands.
323 -* World-wide unique OTAA keys.
324 -* AT Command via UART-TTL interface
325 -* Firmware upgradable via UART interface
326 -
327 -
328 -== 3.3  Specification ==
329 -
330 -* CPU: 32-bit 48 MHz
331 -* Flash: 256KB
332 -* RAM: 64KB
333 -* Input Power Range: 5v
334 -* Frequency Range: 150 MHz ~~ 960 MHz
335 -* Maximum Power +22 dBm constant RF output
336 -* High sensitivity: -148 dBm
337 -* Temperature:
338 -** Storage: -55 ~~ +125℃
339 -** Operating: -40 ~~ +85℃
340 -* Humidity:
341 -** Storage: 5 ~~ 95% (Non-Condensing)
342 -** Operating: 10 ~~ 95% (Non-Condensing)
343 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
344 -* LoRa Rx current: <9 mA
345 -
346 -
347 -== 3.4  Pin Mapping & LED ==
348 -
349 -
350 -
351 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
352 -
353 -
354 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
355 -
356 -
357 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
358 -
359 -
360 -[[image:image-20220602171217-1.png||height="538" width="800"]]
361 -
362 -
363 -Open the serial port tool
364 -
365 -[[image:image-20220602161617-8.png]]
366 -
367 -[[image:image-20220602161718-9.png||height="457" width="800"]]
368 -
369 -
370 -
371 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
372 -
373 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
374 -
375 -
376 -[[image:image-20220602161935-10.png||height="498" width="800"]]
377 -
378 -
379 -
380 -(% style="color:blue" %)**3. See Uplink Command**
381 -
382 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
383 -
384 -example: AT+SENDB=01,02,8,05820802581ea0a5
385 -
386 -[[image:image-20220602162157-11.png||height="497" width="800"]]
387 -
388 -
389 -
390 -(% style="color:blue" %)**4. Check to see if TTN received the message**
391 -
392 -[[image:image-20220602162331-12.png||height="420" width="800"]]
393 -
394 -
395 -
396 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
397 -
398 -
399 -**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]]
400 -
401 -
402 -(% style="color:red" %)**Preconditions:**
403 -
404 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
405 -
406 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
407 -
408 -
409 -
410 -(% style="color:blue" %)**Steps for usage:**
411 -
412 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
413 -
414 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
415 -
416 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
417 -
418 -
419 -
420 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
421 -
422 -
423 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
424 -
425 -
426 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
427 -
428 -[[image:image-20220602171233-2.png||height="538" width="800"]]
429 -
430 -
431 -
432 -(% style="color:blue" %)**2. Install Minicom in RPi.**
433 -
434 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
435 -
436 - (% style="background-color:yellow" %)**apt update**
437 -
438 - (% style="background-color:yellow" %)**apt install minicom**
439 -
440 -
441 -Use minicom to connect to the RPI's terminal
442 -
443 -[[image:image-20220602153146-3.png||height="439" width="500"]]
444 -
445 -
446 -
447 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
448 -
449 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
450 -
451 -
452 -[[image:image-20220602154928-5.png||height="436" width="500"]]
453 -
454 -
455 -
456 -(% style="color:blue" %)**4. Send Uplink message**
457 -
458 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
459 -
460 -example: AT+SENDB=01,02,8,05820802581ea0a5
461 -
462 -
463 -[[image:image-20220602160339-6.png||height="517" width="600"]]
464 -
465 -
466 -
467 -Check to see if TTN received the message
468 -
469 -[[image:image-20220602160627-7.png||height="369" width="800"]]
470 -
471 -
472 -
473 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
474 -
475 -
476 -
477 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
478 -
479 -
480 -
481 -
482 -= 4.  Order Info =
483 -
484 -
485 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
486 -
487 -
488 -(% style="color:blue" %)**XXX**(%%): The default frequency band
489 -
490 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
491 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
492 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
493 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
494 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
495 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
496 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
497 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
498 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
499 -
500 -
501 -= 5.  Reference =
502 -
503 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
504 -
505 -
144 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
CP210x_Universal_Windows_Driver.zip
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