Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 31.1 >
edited by Herong Lu
on 2022/06/02 10:52
To version < 93.2 >
edited by Xiaoling
on 2022/07/15 14:35
>
Change comment: There is no comment for this version

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1 -XWiki.Lu
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
8 8  
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.
12 12  
13 -**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
15 15  
12 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -== Specification ==
18 18  
19 -[[image:image-20220517072526-1.png]]
15 +(((
16 +[[image:image-20220715000242-1.png||height="110" width="132"]]
20 20  
21 -Input Power Range: 1.8v ~~ 3.7v
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 +)))
22 22  
23 -Power Consumption: < 4uA.
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 +)))
24 24  
25 -Frequency Range: 150 MHz ~~ 960 MHz
25 +(((
26 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27 +)))
26 26  
27 -Maximum Power +22 dBm constant RF output
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 +)))
28 28  
29 -High sensitivity: -148 dBm
33 +(((
34 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 +)))
30 30  
31 -Temperature:
32 32  
33 -* Storage: -55 ~~ +125℃
34 -* Operating: -40 ~~ +85℃
38 +== 1.2  Features ==
35 35  
36 -Humidity:
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
37 37  
38 -* Storage: 5 ~~ 95% (Non-Condensing)
39 -* Operating: 10 ~~ 95% (Non-Condensing)
40 40  
41 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42 42  
43 -LoRa Rx current: <9 mA
52 +== 1.3  Specification ==
44 44  
45 -I/O Voltage: 3.3v
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
46 46  
47 47  
48 -== AT Command ==
49 49  
74 +== 1.4  AT Command ==
75 +
50 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.
51 51  
52 52  
53 -== Pin Mapping ==
79 +== 1.5  Dimension ==
54 54  
81 +[[image:image-20220517072526-1.png]]
82 +
83 +
84 +
85 +== 1.6  Pin Mapping ==
86 +
87 +
55 55  [[image:image-20220523101537-1.png]]
56 56  
57 -== Land Pattern ==
58 58  
91 +
92 +== 1.7  Land Pattern ==
93 +
59 59  [[image:image-20220517072821-2.png]]
60 60  
61 61  
62 -== Part Number ==
63 63  
64 -Part Number: **LA66-XXX**
98 += 2.  LA66 LoRaWAN Shield =
65 65  
66 -**XX**: The default frequency band
67 67  
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
101 +== 2.1  Overview ==
76 76  
77 -= LA66 LoRaWAN Shield =
78 78  
79 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
104 +[[image:image-20220715000826-2.png||height="386" width="449"]]
80 80  
81 -== Pin Mapping & LED ==
82 82  
83 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 +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.
84 84  
85 -== Example: Join TTN network and send an uplink message, get downlink message. ==
109 +(((
110 +(% 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.
111 +)))
86 86  
87 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
113 +(((
114 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
115 +)))
88 88  
89 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
117 +(((
118 +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.
119 +)))
90 90  
91 -=== what needs to be used ===
121 +(((
122 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
123 +)))
92 92  
93 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 94  
95 -2.Arduino
126 +== 2.2  Features ==
96 96  
97 -3.USB TO TTL
128 +* Arduino Shield base on LA66 LoRaWAN module
129 +* Support LoRaWAN v1.0.4 protocol
130 +* Support peer-to-peer protocol
131 +* TCXO crystal to ensure RF performance on low temperature
132 +* SMA connector
133 +* Available in different frequency LoRaWAN frequency bands.
134 +* World-wide unique OTAA keys.
135 +* AT Command via UART-TTL interface
136 +* Firmware upgradable via UART interface
137 +* Ultra-long RF range
98 98  
99 -[[image:image-20220602100052-2.png]]
100 100  
101 -=== Wiring Schematic ===
102 102  
103 -[[image:image-20220602101311-3.png]]
141 +== 2.3  Specification ==
104 104  
105 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
143 +* CPU: 32-bit 48 MHz
144 +* Flash: 256KB
145 +* RAM: 64KB
146 +* Input Power Range: 1.8v ~~ 3.7v
147 +* Power Consumption: < 4uA.
148 +* Frequency Range: 150 MHz ~~ 960 MHz
149 +* Maximum Power +22 dBm constant RF output
150 +* High sensitivity: -148 dBm
151 +* Temperature:
152 +** Storage: -55 ~~ +125℃
153 +** Operating: -40 ~~ +85℃
154 +* Humidity:
155 +** Storage: 5 ~~ 95% (Non-Condensing)
156 +** Operating: 10 ~~ 95% (Non-Condensing)
157 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
158 +* LoRa Rx current: <9 mA
159 +* I/O Voltage: 3.3v
106 106  
107 -GND  >>>>>>>>>>>>GND
108 108  
109 -TXD  >>>>>>>>>>>>TXD
110 110  
111 -RXD  >>>>>>>>>>>>RXD
163 +== 2.4  Pin Mapping & LED ==
112 112  
113 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 114  
115 -Connect to the PC after connecting the wires
116 116  
117 -[[image:image-20220602102240-4.png]]
167 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
119 -=== Upgrade steps ===
120 120  
121 121  
122 -= LA66 USB LoRaWAN Adapter =
171 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
123 123  
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.
125 125  
126 -== Pin Mapping & LED ==
127 127  
128 -== Example Send & Get Messages via LoRaWAN in PC ==
175 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 129  
130 -== Example Send & Get Messages via LoRaWAN in RPi ==
131 131  
132 -=== Install USB Driver ===
133 133  
134 -=== Install Minicom ===
179 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
135 135  
136 -=== Use AT Command to send an uplink message. ===
137 137  
138 -=== Send CPU/RAM usage to TTN via a script. ===
182 +=== 2.8.1  Items needed for update ===
139 139  
184 +1. LA66 LoRaWAN Shield
185 +1. Arduino
186 +1. USB TO TTL Adapter
140 140  
141 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
188 +[[image:image-20220602100052-2.png||height="385" width="600"]]
142 142  
143 143  
144 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
191 +=== 2.8.2  Connection ===
192 +
193 +
194 +[[image:image-20220602101311-3.png||height="276" width="600"]]
195 +
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 +
323 +
324 +
325 +== 3.3  Specification ==
326 +
327 +* CPU: 32-bit 48 MHz
328 +* Flash: 256KB
329 +* RAM: 64KB
330 +* Input Power Range: 5v
331 +* Frequency Range: 150 MHz ~~ 960 MHz
332 +* Maximum Power +22 dBm constant RF output
333 +* High sensitivity: -148 dBm
334 +* Temperature:
335 +** Storage: -55 ~~ +125℃
336 +** Operating: -40 ~~ +85℃
337 +* Humidity:
338 +** Storage: 5 ~~ 95% (Non-Condensing)
339 +** Operating: 10 ~~ 95% (Non-Condensing)
340 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
341 +* LoRa Rx current: <9 mA
342 +
343 +
344 +
345 +== 3.4  Pin Mapping & LED ==
346 +
347 +
348 +
349 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
350 +
351 +
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353 +
354 +
355 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
356 +
357 +
358 +[[image:image-20220602171217-1.png||height="538" width="800"]]
359 +
360 +
361 +Open the serial port tool
362 +
363 +[[image:image-20220602161617-8.png]]
364 +
365 +[[image:image-20220602161718-9.png||height="457" width="800"]]
366 +
367 +
368 +
369 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
370 +
371 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
372 +
373 +
374 +[[image:image-20220602161935-10.png||height="498" width="800"]]
375 +
376 +
377 +
378 +(% style="color:blue" %)**3. See Uplink Command**
379 +
380 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
381 +
382 +example: AT+SENDB=01,02,8,05820802581ea0a5
383 +
384 +[[image:image-20220602162157-11.png||height="497" width="800"]]
385 +
386 +
387 +
388 +(% style="color:blue" %)**4. Check to see if TTN received the message**
389 +
390 +[[image:image-20220602162331-12.png||height="420" width="800"]]
391 +
392 +
393 +
394 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
395 +
396 +
397 +**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]]
398 +
399 +
400 +(% style="color:red" %)**Preconditions:**
401 +
402 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
403 +
404 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
405 +
406 +
407 +
408 +(% style="color:blue" %)**Steps for usage:**
409 +
410 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
411 +
412 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
413 +
414 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
415 +
416 +
417 +
418 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
419 +
420 +
421 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
422 +
423 +
424 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
425 +
426 +[[image:image-20220602171233-2.png||height="538" width="800"]]
427 +
428 +
429 +
430 +(% style="color:blue" %)**2. Install Minicom in RPi.**
431 +
432 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
433 +
434 + (% style="background-color:yellow" %)**apt update**
435 +
436 + (% style="background-color:yellow" %)**apt install minicom**
437 +
438 +
439 +Use minicom to connect to the RPI's terminal
440 +
441 +[[image:image-20220602153146-3.png||height="439" width="500"]]
442 +
443 +
444 +
445 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
446 +
447 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
448 +
449 +
450 +[[image:image-20220602154928-5.png||height="436" width="500"]]
451 +
452 +
453 +
454 +(% style="color:blue" %)**4. Send Uplink message**
455 +
456 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
457 +
458 +example: AT+SENDB=01,02,8,05820802581ea0a5
459 +
460 +
461 +[[image:image-20220602160339-6.png||height="517" width="600"]]
462 +
463 +
464 +
465 +Check to see if TTN received the message
466 +
467 +[[image:image-20220602160627-7.png||height="369" width="800"]]
468 +
469 +
470 +
471 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
472 +
473 +
474 +
475 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
476 +
477 +
478 +
479 +
480 += 4.  Order Info =
481 +
482 +
483 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
484 +
485 +
486 +(% style="color:blue" %)**XXX**(%%): The default frequency band
487 +
488 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
489 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
490 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
491 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
492 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
493 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
494 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
495 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
496 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
497 +
498 += 5.  Reference =
499 +
500 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
501 +
502 +
CP210x_Universal_Windows_Driver.zip
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