Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 98.4 >
edited by Xiaoling
on 2022/07/18 10:35
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.Xiaoling
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  
36 +Humidity:
51 51  
52 -== 1.3  Specification ==
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
53 53  
54 -* CPU: 32-bit 48 MHz
55 -* Flash: 256KB
56 -* RAM: 64KB
57 -* Input Power Range: 1.8v ~~ 3.7v
58 -* Power Consumption: < 4uA.
59 -* Frequency Range: 150 MHz ~~ 960 MHz
60 -* Maximum Power +22 dBm constant RF output
61 -* High sensitivity: -148 dBm
62 -* Temperature:
63 -** Storage: -55 ~~ +125℃
64 -** Operating: -40 ~~ +85℃
65 -* Humidity:
66 -** Storage: 5 ~~ 95% (Non-Condensing)
67 -** Operating: 10 ~~ 95% (Non-Condensing)
68 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
69 -* LoRa Rx current: <9 mA
70 -* I/O Voltage: 3.3v
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
71 71  
43 +LoRa Rx current: <9 mA
72 72  
45 +I/O Voltage: 3.3v
73 73  
74 74  
75 -== 1.4  AT Command ==
48 +== AT Command ==
76 76  
77 -
78 78  AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
79 79  
80 80  
53 +== Pin Mapping ==
81 81  
82 -== 1.5  Dimension ==
83 -
84 -[[image:image-20220718094750-3.png]]
85 -
86 -
87 -
88 -
89 -== 1.6  Pin Mapping ==
90 -
91 -
92 92  [[image:image-20220523101537-1.png]]
93 93  
57 +== Land Pattern ==
94 94  
95 -
96 -== 1.7  Land Pattern ==
97 -
98 98  [[image:image-20220517072821-2.png]]
99 99  
100 100  
62 +== Part Number ==
101 101  
102 -= 2.  LA66 LoRaWAN Shield =
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
105 -== 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
106 106  
77 += LA66 LoRaWAN Shield =
107 107  
108 -[[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.
109 109  
81 +== Pin Mapping & LED ==
110 110  
111 -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. ==
112 112  
113 -(((
114 -(% 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.
115 -)))
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
116 116  
117 -(((
118 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
119 -)))
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
120 120  
121 -(((
122 -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.
123 -)))
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
124 124  
125 -(((
126 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
127 -)))
91 +=== what needs to be used ===
128 128  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
129 129  
130 -== 2.2  Features ==
95 +2.Arduino
131 131  
132 -* Arduino Shield base on LA66 LoRaWAN module
133 -* Support LoRaWAN v1.0.4 protocol
134 -* Support peer-to-peer protocol
135 -* TCXO crystal to ensure RF performance on low temperature
136 -* SMA connector
137 -* Available in different frequency LoRaWAN frequency bands.
138 -* World-wide unique OTAA keys.
139 -* AT Command via UART-TTL interface
140 -* Firmware upgradable via UART interface
141 -* Ultra-long RF range
97 +3.USB TO TTL
142 142  
143 -== 2.3  Specification ==
99 +[[image:image-20220602100052-2.png]]
144 144  
145 -* CPU: 32-bit 48 MHz
146 -* Flash: 256KB
147 -* RAM: 64KB
148 -* Input Power Range: 1.8v ~~ 3.7v
149 -* Power Consumption: < 4uA.
150 -* Frequency Range: 150 MHz ~~ 960 MHz
151 -* Maximum Power +22 dBm constant RF output
152 -* High sensitivity: -148 dBm
153 -* Temperature:
154 -** Storage: -55 ~~ +125℃
155 -** Operating: -40 ~~ +85℃
156 -* Humidity:
157 -** Storage: 5 ~~ 95% (Non-Condensing)
158 -** Operating: 10 ~~ 95% (Non-Condensing)
159 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
160 -* LoRa Rx current: <9 mA
161 -* I/O Voltage: 3.3v
101 +=== Wiring Schematic ===
162 162  
163 -== 2.4  Pin Mapping & LED ==
103 +[[image:image-20220602101311-3.png]]
164 164  
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
165 165  
107 +GND  >>>>>>>>>>>>GND
166 166  
167 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
109 +TXD  >>>>>>>>>>>>TXD
168 168  
111 +RXD  >>>>>>>>>>>>RXD
169 169  
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
170 170  
171 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
115 +Connect to the PC after connecting the wires
172 172  
117 +[[image:image-20220602102240-4.png]]
173 173  
119 +=== Upgrade steps ===
174 174  
175 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
176 176  
122 += LA66 USB LoRaWAN Adapter =
177 177  
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.
178 178  
179 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
126 +== Pin Mapping & LED ==
180 180  
128 +== Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -=== 2.8.1  Items needed for update ===
130 +== Example Send & Get Messages via LoRaWAN in RPi ==
183 183  
184 -1. LA66 LoRaWAN Shield
185 -1. Arduino
186 -1. USB TO TTL Adapter
132 +=== Install USB Driver ===
187 187  
188 -[[image:image-20220602100052-2.png||height="385" width="600"]]
134 +=== Install Minicom ===
189 189  
136 +=== Use AT Command to send an uplink message. ===
190 190  
191 -=== 2.8.2  Connection ===
138 +=== Send CPU/RAM usage to TTN via a script. ===
192 192  
193 193  
194 -[[image:image-20220602101311-3.png||height="276" width="600"]]
141 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
195 195  
196 196  
197 -(((
198 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
199 -)))
200 -
201 -(((
202 -(% style="background-color:yellow" %)**GND  <-> GND
203 -TXD  <->  TXD
204 -RXD  <->  RXD**
205 -)))
206 -
207 -
208 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
209 -
210 -Connect USB TTL Adapter to PC after connecting the wires
211 -
212 -
213 -[[image:image-20220602102240-4.png||height="304" width="600"]]
214 -
215 -
216 -=== 2.8.3  Upgrade steps ===
217 -
218 -
219 -==== 1.  Switch SW1 to put in ISP position ====
220 -
221 -
222 -[[image:image-20220602102824-5.png||height="306" width="600"]]
223 -
224 -
225 -
226 -==== 2.  Press the RST switch once ====
227 -
228 -
229 -[[image:image-20220602104701-12.png||height="285" width="600"]]
230 -
231 -
232 -
233 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
234 -
235 -
236 -(((
237 -(% 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/]]**
238 -)))
239 -
240 -
241 -[[image:image-20220602103227-6.png]]
242 -
243 -
244 -[[image:image-20220602103357-7.png]]
245 -
246 -
247 -
248 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
249 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
250 -
251 -
252 -[[image:image-20220602103844-8.png]]
253 -
254 -
255 -
256 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
257 -(% style="color:blue" %)**3. Select the bin file to burn**
258 -
259 -
260 -[[image:image-20220602104144-9.png]]
261 -
262 -
263 -[[image:image-20220602104251-10.png]]
264 -
265 -
266 -[[image:image-20220602104402-11.png]]
267 -
268 -
269 -
270 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
271 -(% style="color:blue" %)**4. Click to start the download**
272 -
273 -[[image:image-20220602104923-13.png]]
274 -
275 -
276 -
277 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
278 -(% style="color:blue" %)**5. Check update process**
279 -
280 -
281 -[[image:image-20220602104948-14.png]]
282 -
283 -
284 -
285 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
286 -(% style="color:blue" %)**The following picture shows that the burning is successful**
287 -
288 -[[image:image-20220602105251-15.png]]
289 -
290 -
291 -
292 -= 3.  LA66 USB LoRaWAN Adapter =
293 -
294 -
295 -== 3.1  Overview ==
296 -
297 -[[image:image-20220715001142-3.png||height="145" width="220"]]
298 -
299 -(% 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.
300 -
301 -(% 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.
302 -
303 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
304 -
305 -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.
306 -
307 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
308 -
309 -
310 -== 3.2  Features ==
311 -
312 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
313 -* Ultra-long RF range
314 -* Support LoRaWAN v1.0.4 protocol
315 -* Support peer-to-peer protocol
316 -* TCXO crystal to ensure RF performance on low temperature
317 -* Spring RF antenna
318 -* Available in different frequency LoRaWAN frequency bands.
319 -* World-wide unique OTAA keys.
320 -* AT Command via UART-TTL interface
321 -* Firmware upgradable via UART interface
322 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
323 -
324 -== 3.3  Specification ==
325 -
326 -* CPU: 32-bit 48 MHz
327 -* Flash: 256KB
328 -* RAM: 64KB
329 -* Input Power Range: 5v
330 -* Frequency Range: 150 MHz ~~ 960 MHz
331 -* Maximum Power +22 dBm constant RF output
332 -* High sensitivity: -148 dBm
333 -* Temperature:
334 -** Storage: -55 ~~ +125℃
335 -** Operating: -40 ~~ +85℃
336 -* Humidity:
337 -** Storage: 5 ~~ 95% (Non-Condensing)
338 -** Operating: 10 ~~ 95% (Non-Condensing)
339 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
340 -* LoRa Rx current: <9 mA
341 -
342 -== 3.4  Pin Mapping & LED ==
343 -
344 -
345 -
346 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
347 -
348 -
349 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
350 -
351 -
352 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
353 -
354 -
355 -[[image:image-20220602171217-1.png||height="538" width="800"]]
356 -
357 -
358 -Open the serial port tool
359 -
360 -[[image:image-20220602161617-8.png]]
361 -
362 -[[image:image-20220602161718-9.png||height="457" width="800"]]
363 -
364 -
365 -
366 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
367 -
368 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
369 -
370 -
371 -[[image:image-20220602161935-10.png||height="498" width="800"]]
372 -
373 -
374 -
375 -(% style="color:blue" %)**3. See Uplink Command**
376 -
377 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
378 -
379 -example: AT+SENDB=01,02,8,05820802581ea0a5
380 -
381 -[[image:image-20220602162157-11.png||height="497" width="800"]]
382 -
383 -
384 -
385 -(% style="color:blue" %)**4. Check to see if TTN received the message**
386 -
387 -[[image:image-20220602162331-12.png||height="420" width="800"]]
388 -
389 -
390 -
391 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
392 -
393 -
394 -**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]]
395 -
396 -
397 -(% style="color:red" %)**Preconditions:**
398 -
399 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
400 -
401 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
402 -
403 -
404 -
405 -(% style="color:blue" %)**Steps for usage:**
406 -
407 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
408 -
409 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
410 -
411 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
412 -
413 -
414 -
415 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
416 -
417 -
418 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
419 -
420 -
421 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
422 -
423 -[[image:image-20220602171233-2.png||height="538" width="800"]]
424 -
425 -
426 -
427 -(% style="color:blue" %)**2. Install Minicom in RPi.**
428 -
429 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
430 -
431 - (% style="background-color:yellow" %)**apt update**
432 -
433 - (% style="background-color:yellow" %)**apt install minicom**
434 -
435 -
436 -Use minicom to connect to the RPI's terminal
437 -
438 -[[image:image-20220602153146-3.png||height="439" width="500"]]
439 -
440 -
441 -
442 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
443 -
444 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
445 -
446 -
447 -[[image:image-20220602154928-5.png||height="436" width="500"]]
448 -
449 -
450 -
451 -(% style="color:blue" %)**4. Send Uplink message**
452 -
453 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
454 -
455 -example: AT+SENDB=01,02,8,05820802581ea0a5
456 -
457 -
458 -[[image:image-20220602160339-6.png||height="517" width="600"]]
459 -
460 -
461 -
462 -Check to see if TTN received the message
463 -
464 -[[image:image-20220602160627-7.png||height="369" width="800"]]
465 -
466 -
467 -
468 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
469 -
470 -
471 -
472 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
473 -
474 -
475 -
476 -
477 -= 4.  Order Info =
478 -
479 -
480 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
481 -
482 -
483 -(% style="color:blue" %)**XXX**(%%): The default frequency band
484 -
485 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
486 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
487 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
488 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
489 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
490 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
491 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
492 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
493 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
494 -
495 -= 5.  Reference =
496 -
497 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
498 -
144 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
CP210x_Universal_Windows_Driver.zip
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