Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.6 >
edited by Xiaoling
on 2022/08/16 14:18
To version < 87.6 >
edited by Xiaoling
on 2022/07/13 09:59
>
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Summary

Details

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
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1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
7 7  
8 8  
11 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
14 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
17 +(% 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 -)))
19 +(% 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  
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 58  * 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 -* SMA connector
33 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,12 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -
69 -
70 -
71 71  == 1.3  Specification ==
72 72  
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,111 +89,92 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
60 +== 1.4  AT Command ==
92 92  
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.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
65 +== 1.5  Dimension ==
96 96  
67 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
103 103  
71 +== 1.6  Pin Mapping ==
104 104  
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
74 +[[image:image-20220523101537-1.png]]
107 107  
108 108  
109 -**Show connection diagram：**
110 110  
78 +== 1.7  Land Pattern ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
80 +[[image:image-20220517072821-2.png]]
113 113  
114 114  
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
84 += 2.  LA66 LoRaWAN Shield =
117 117  
118 118  
119 -[[image:image-20220723170545-4.png]]
87 +== 2.1  Overview ==
120 120  
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.
121 121  
122 122  
123 -(% style="color:blue" %)**2.  Open project**
92 +== 2.2  Features ==
124 124  
94 +* Arduino Shield base on LA66 LoRaWAN module
95 +* Support LoRaWAN v1.0.4 protocol
96 +* Support peer-to-peer protocol
97 +* TCXO crystal to ensure RF performance on low temperature
98 +* SMA connector
99 +* Available in different frequency LoRaWAN frequency bands.
100 +* World-wide unique OTAA keys.
101 +* AT Command via UART-TTL interface
102 +* Firmware upgradable via UART interface
103 +* Ultra-long RF range
125 125  
126 -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]]
105 +== 2.3  Specification ==
127 127  
128 -[[image:image-20220726135239-1.png]]
107 +* CPU: 32-bit 48 MHz
108 +* Flash: 256KB
109 +* RAM: 64KB
110 +* Input Power Range: 1.8v ~~ 3.7v
111 +* Power Consumption: < 4uA.
112 +* Frequency Range: 150 MHz ~~ 960 MHz
113 +* Maximum Power +22 dBm constant RF output
114 +* High sensitivity: -148 dBm
115 +* Temperature:
116 +** Storage: -55 ~~ +125℃
117 +** Operating: -40 ~~ +85℃
118 +* Humidity:
119 +** Storage: 5 ~~ 95% (Non-Condensing)
120 +** Operating: 10 ~~ 95% (Non-Condensing)
121 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
122 +* LoRa Rx current: <9 mA
123 +* I/O Voltage: 3.3v
129 129  
125 +== 2.4  Pin Mapping & LED ==
130 130  
131 -(% 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**
132 132  
133 -[[image:image-20220726135356-2.png]]
134 134  
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
137 137  
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
140 140  
141 141  
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
144 144  
145 145  
146 -(% style="color:blue" %)**1.  Open project**
147 147  
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
148 148  
149 -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]]
150 150  
144 +=== 2.8.1  Items needed for update ===
151 151  
152 -[[image:image-20220723172502-8.png]]
153 -
154 -
155 -
156 -(% 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**
157 -
158 -
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
160 -
161 -
162 -
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 -
165 -
166 -(% style="color:blue" %)**1.  Open project**
167 -
168 -
169 -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]]
170 -
171 -
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
173 -
174 -
175 -
176 -(% 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**
177 -
178 -
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 -
181 -
182 -
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 -
185 -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/]]
186 -
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
188 -
189 -
190 -
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
192 -
193 -
194 -=== 1.8.1  Items needed for update ===
195 -
196 -
197 197  1. LA66 LoRaWAN Shield
198 198  1. Arduino
199 199  1. USB TO TTL Adapter
... ... @@ -201,22 +201,18 @@
201 201  [[image:image-20220602100052-2.png||height="385" width="600"]]
202 202  
203 203  
153 +=== 2.8.2  Connection ===
204 204  
205 -=== 1.8.2  Connection ===
206 206  
207 -
208 208  [[image:image-20220602101311-3.png||height="276" width="600"]]
209 209  
210 210  
211 -(((
212 212  (% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
214 214  
215 -(((
161 +
216 216  (% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
163 +TXD  <->  TXD
164 +RXD  <->  RXD**
220 220  
221 221  
222 222  Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
... ... @@ -227,30 +227,24 @@
227 227  [[image:image-20220602102240-4.png||height="304" width="600"]]
228 228  
229 229  
230 -
231 231  === 2.8.3  Upgrade steps ===
232 232  
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
178 +==== 1.  Switch SW1 to put in ISP position ====
235 235  
236 236  
237 237  [[image:image-20220602102824-5.png||height="306" width="600"]]
238 238  
239 239  
184 +==== 2.  Press the RST switch once ====
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 -
243 -
244 244  [[image:image-20220602104701-12.png||height="285" width="600"]]
245 245  
246 246  
189 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 249  
250 -
251 -(((
252 252  (% 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 -)))
254 254  
255 255  
256 256  [[image:image-20220602103227-6.png]]
... ... @@ -288,7 +288,6 @@
288 288  [[image:image-20220602104923-13.png]]
289 289  
290 290  
291 -
292 292  (% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 293  (% style="color:blue" %)**5. Check update process**
294 294  
... ... @@ -309,35 +309,11 @@
309 309  
310 310  == 3.1  Overview ==
311 311  
250 +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.
312 312  
313 -[[image:image-20220715001142-3.png||height="145" width="220"]]
314 314  
315 -
316 -(((
317 -(% 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.
318 -)))
319 -
320 -(((
321 -(% 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.
322 -)))
323 -
324 -(((
325 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
326 -)))
327 -
328 -(((
329 -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.
330 -)))
331 -
332 -(((
333 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
334 -)))
335 -
336 -
337 -
338 338  == 3.2  Features ==
339 339  
340 -
341 341  * LoRaWAN USB adapter base on LA66 LoRaWAN module
342 342  * Ultra-long RF range
343 343  * Support LoRaWAN v1.0.4 protocol
... ... @@ -348,11 +348,9 @@
348 348  * World-wide unique OTAA keys.
349 349  * AT Command via UART-TTL interface
350 350  * Firmware upgradable via UART interface
351 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
352 352  
353 353  == 3.3  Specification ==
354 354  
355 -
356 356  * CPU: 32-bit 48 MHz
357 357  * Flash: 256KB
358 358  * RAM: 64KB
... ... @@ -371,21 +371,18 @@
371 371  
372 372  == 3.4  Pin Mapping & LED ==
373 373  
374 -[[image:image-20220813183239-3.png||height="526" width="662"]]
375 375  
376 376  
377 377  == 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
378 378  
379 379  
380 -(((
381 381  Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
382 -)))
383 383  
384 384  
385 385  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
386 386  
387 387  
388 -[[image:image-20220723100027-1.png]]
297 +[[image:image-20220602171217-1.png||height="538" width="800"]]
389 389  
390 390  
391 391  Open the serial port tool
... ... @@ -426,7 +426,6 @@
426 426  
427 427  **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]]
428 428  
429 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
430 430  
431 431  (% style="color:red" %)**Preconditions:**
432 432  
... ... @@ -454,7 +454,7 @@
454 454  
455 455  (% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
456 456  
457 -[[image:image-20220723100439-2.png]]
365 +[[image:image-20220602171233-2.png||height="538" width="800"]]
458 458  
459 459  
460 460  
... ... @@ -473,11 +473,9 @@
473 473  
474 474  
475 475  
476 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
384 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
385 +(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
477 477  
478 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
479 -
480 -
481 481  [[image:image-20220602154928-5.png||height="436" width="500"]]
482 482  
483 483  
... ... @@ -499,136 +499,18 @@
499 499  
500 500  
501 501  
502 -== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
408 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
503 503  
504 504  
505 -=== 3.8.1  Hardware and Software Connection ===
506 506  
507 -
508 -==== (% style="color:blue" %)**Overview：**(%%) ====
509 -
510 -
511 -(((
512 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
513 -
514 -* Send real-time location information of mobile phone to LoRaWAN network.
515 -* Check LoRaWAN network signal strengh.
516 -* Manually send messages to LoRaWAN network.
517 -)))
518 -
519 -
520 -
521 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
522 -
523 -A USB to Type-C adapter is needed to connect to a Mobile phone.
524 -
525 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
526 -
527 -[[image:image-20220813174353-2.png||height="360" width="313"]]
528 -
529 -
530 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
531 -
532 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
533 -
534 -[[image:image-20220813173738-1.png]]
535 -
536 -
537 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
538 -
539 -Function and page introduction
540 -
541 -[[image:image-20220723113448-7.png||height="995" width="450"]]
542 -
543 -**Block Explain:**
544 -
545 -1.  Display LA66 USB LoRaWAN Module connection status
546 -
547 -2.  Check and reconnect
548 -
549 -3.  Turn send timestamps on or off
550 -
551 -4.  Display LoRaWan connection status
552 -
553 -5.  Check LoRaWan connection status
554 -
555 -6.  The RSSI value of the node when the ACK is received
556 -
557 -7.  Node's Signal Strength Icon
558 -
559 -8.  Configure Location Uplink Interval
560 -
561 -9.  AT command input box
562 -
563 -10.  Send Button:  Send input box info to LA66 USB Adapter
564 -
565 -11.  Output Log from LA66 USB adapter
566 -
567 -12.  clear log button
568 -
569 -13.  exit button
570 -
571 -
572 -LA66 USB LoRaWAN Module not connected
573 -
574 -[[image:image-20220723110520-5.png||height="677" width="508"]]
575 -
576 -
577 -
578 -Connect LA66 USB LoRaWAN Module
579 -
580 -[[image:image-20220723110626-6.png||height="681" width="511"]]
581 -
582 -
583 -
584 -=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
585 -
586 -
587 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
588 -
589 -[[image:image-20220723134549-8.png]]
590 -
591 -
592 -
593 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
594 -
595 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
596 -
597 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
598 -
599 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
600 -
601 -
602 -Example output in NodeRed is as below:
603 -
604 -[[image:image-20220723144339-1.png]]
605 -
606 -
607 -
608 608  == 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
609 609  
610 610  
611 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
612 612  
613 -Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
614 614  
615 -[[image:image-20220723150132-2.png]]
417 += 4.  Order Info =
616 616  
617 617  
618 -
619 -= 4.  FAQ =
620 -
621 -
622 -== 4.1  How to Compile Source Code for LA66? ==
623 -
624 -
625 -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]]
626 -
627 -
628 -
629 -= 5.  Order Info =
630 -
631 -
632 632  **Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
633 633  
634 634  
... ... @@ -644,7 +644,11 @@
644 644  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
645 645  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
646 646  
647 -= 6.  Reference =
648 648  
649 649  
437 +
438 += 5.  Reference =
439 +
650 650  * Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
441 +
442 +
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