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Last modified by Xiaoling on 2025/02/07 16:37
From version 71.1
edited by Edwin Chen
on 2022/07/03 00:00
Change comment: There is no comment for this version
To version 148.2
edited by Xiaoling
on 2022/08/17 08:46
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 USB LoRaWAN Adapter User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
7 -== What is LA66 LoRaWAN Module ==
8 8  
9 -(% 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.
10 10  
11 -(% 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.
12 12  
11 += 1.  LA66 USB LoRaWAN Adapter =
12 +
13 +
14 +== 1.1  Overview ==
15 +
16 +
17 +[[image:image-20220715001142-3.png||height="145" width="220"]]
18 +
19 +
20 +(((
21 +(% 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.
22 +)))
23 +
24 +(((
25 +(% 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.
26 +)))
27 +
28 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 +)))
14 14  
32 +(((
15 15  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.
34 +)))
16 16  
36 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 +)))
18 18  
19 19  
20 -== Features ==
21 21  
42 +== 1.2  Features ==
43 +
44 +
45 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 +* Ultra-long RF range
22 22  * Support LoRaWAN v1.0.4 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
50 +* Spring RF antenna
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
28 28  * AT Command via UART-TTL interface
29 29  * Firmware upgradable via UART interface
30 -* Ultra-long RF range
55 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
31 31  
32 32  
33 -== Specification ==
34 34  
59 +== 1.3  Specification ==
60 +
61 +
35 35  * CPU: 32-bit 48 MHz
36 36  * Flash: 256KB
37 37  * RAM: 64KB
38 -* Input Power Range: 1.8v ~~ 3.7v
39 -* Power Consumption: < 4uA.
65 +* Input Power Range: 5v
40 40  * Frequency Range: 150 MHz ~~ 960 MHz
41 41  * Maximum Power +22 dBm constant RF output
42 42  * High sensitivity: -148 dBm
... ... @@ -48,263 +48,292 @@
48 48  ** Operating: 10 ~~ 95% (Non-Condensing)
49 49  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
50 50  * LoRa Rx current: <9 mA
51 -* I/O Voltage: 3.3v
52 52  
53 -== AT Command ==
54 54  
55 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56 56  
80 +== 1.4  Pin Mapping & LED ==
57 57  
58 -== Dimension ==
82 +[[image:image-20220813183239-3.png||height="526" width="662"]]
59 59  
60 -[[image:image-20220517072526-1.png]]
61 61  
62 62  
63 -== Pin Mapping ==
86 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
64 64  
65 -[[image:image-20220523101537-1.png]]
66 66  
67 -== Land Pattern ==
89 +(((
90 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
91 +)))
68 68  
69 -[[image:image-20220517072821-2.png]]
70 70  
94 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
71 71  
72 -== Part Number ==
73 73  
74 -Part Number: **LA66-XXX**
97 +[[image:image-20220723100027-1.png]]
75 75  
76 -**XX**: The default frequency band
77 77  
78 -* **AS923**: LoRaWAN AS923 band
79 -* **AU915**: LoRaWAN AU915 band
80 -* **EU433**: LoRaWAN EU433 band
81 -* **EU868**: LoRaWAN EU868 band
82 -* **KR920**: LoRaWAN KR920 band
83 -* **US915**: LoRaWAN US915 band
84 -* **IN865**: LoRaWAN IN865 band
85 -* **CN470**: LoRaWAN CN470 band
86 -* **PP**: Peer to Peer LoRa Protocol
100 +Open the serial port tool
87 87  
102 +[[image:image-20220602161617-8.png]]
88 88  
104 +[[image:image-20220602161718-9.png||height="457" width="800"]]
89 89  
90 -= LA66 LoRaWAN Shield =
91 91  
92 -== Overview ==
93 93  
94 -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.
108 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
95 95  
110 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
96 96  
97 -== Features ==
98 98  
99 -* Arduino Shield base on LA66 LoRaWAN module
100 -* Support LoRaWAN v1.0.4 protocol
101 -* Support peer-to-peer protocol
102 -* TCXO crystal to ensure RF performance on low temperature
103 -* SMA connector
104 -* Available in different frequency LoRaWAN frequency bands.
105 -* World-wide unique OTAA keys.
106 -* AT Command via UART-TTL interface
107 -* Firmware upgradable via UART interface
108 -* Ultra-long RF range
113 +[[image:image-20220602161935-10.png||height="498" width="800"]]
109 109  
110 110  
111 -== Specification ==
112 112  
113 -* CPU: 32-bit 48 MHz
114 -* Flash: 256KB
115 -* RAM: 64KB
116 -* Input Power Range: 1.8v ~~ 3.7v
117 -* Power Consumption: < 4uA.
118 -* Frequency Range: 150 MHz ~~ 960 MHz
119 -* Maximum Power +22 dBm constant RF output
120 -* High sensitivity: -148 dBm
121 -* Temperature:
122 -** Storage: -55 ~~ +125℃
123 -** Operating: -40 ~~ +85℃
124 -* Humidity:
125 -** Storage: 5 ~~ 95% (Non-Condensing)
126 -** Operating: 10 ~~ 95% (Non-Condensing)
127 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128 -* LoRa Rx current: <9 mA
129 -* I/O Voltage: 3.3v
117 +(% style="color:blue" %)**3. See Uplink Command**
130 130  
119 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
131 131  
132 -== Pin Mapping & LED ==
121 +example: AT+SENDB=01,02,8,05820802581ea0a5
133 133  
134 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
123 +[[image:image-20220602162157-11.png||height="497" width="800"]]
135 135  
136 -== Example: Join TTN network and send an uplink message, get downlink message. ==
137 137  
138 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
139 139  
140 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
127 +(% style="color:blue" %)**4. Check to see if TTN received the message**
141 141  
142 -=== what needs to be used ===
129 +[[image:image-20220817084532-1.jpeg||height="563" width="1076"]]
143 143  
144 -1.LA66 LoRaWAN Shield that needs to be upgraded
145 145  
146 -2.Arduino
147 147  
148 -3.USB TO TTL
133 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
149 149  
150 -[[image:image-20220602100052-2.png]]
151 151  
152 -=== Wiring Schematic ===
136 +**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]]
153 153  
154 -[[image:image-20220602101311-3.png]]
138 +(**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]])
155 155  
156 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
140 +(% style="color:red" %)**Preconditions:**
157 157  
158 -GND  >>>>>>>>>>>>GND
142 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
159 159  
160 -TXD  >>>>>>>>>>>>TXD
144 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
161 161  
162 -RXD  >>>>>>>>>>>>RXD
163 163  
164 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
165 165  
166 -Connect to the PC after connecting the wires
148 +(% style="color:blue" %)**Steps for usage:**
167 167  
168 -[[image:image-20220602102240-4.png]]
150 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
169 169  
170 -=== Upgrade steps ===
152 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
171 171  
172 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
154 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
173 173  
174 -[[image:image-20220602102824-5.png]]
175 175  
176 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
177 177  
178 -[[image:image-20220602104701-12.png]]
158 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
179 179  
180 -==== Open the upgrade application software ====
181 181  
182 -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/]]
161 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
183 183  
184 -[[image:image-20220602103227-6.png]]
185 185  
186 -[[image:image-20220602103357-7.png]]
164 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
187 187  
188 -===== Select the COM port corresponding to USB TTL =====
166 +[[image:image-20220723100439-2.png]]
189 189  
190 -[[image:image-20220602103844-8.png]]
191 191  
192 -===== Select the bin file to burn =====
193 193  
194 -[[image:image-20220602104144-9.png]]
170 +(% style="color:blue" %)**2. Install Minicom in RPi.**
195 195  
196 -[[image:image-20220602104251-10.png]]
172 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
197 197  
198 -[[image:image-20220602104402-11.png]]
174 + (% style="background-color:yellow" %)**apt update**
199 199  
200 -===== Click to start the download =====
176 + (% style="background-color:yellow" %)**apt install minicom**
201 201  
202 -[[image:image-20220602104923-13.png]]
203 203  
204 -===== The following figure appears to prove that the burning is in progress =====
179 +Use minicom to connect to the RPI's terminal
205 205  
206 -[[image:image-20220602104948-14.png]]
181 +[[image:image-20220602153146-3.png||height="439" width="500"]]
207 207  
208 -===== The following picture appears to prove that the burning is successful =====
209 209  
210 -[[image:image-20220602105251-15.png]]
211 211  
212 -= LA66 USB LoRaWAN Adapter =
185 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
213 213  
214 -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.
187 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
215 215  
216 -Before use, please make sure that the computer has installed the CP2102 driver
217 217  
218 -== Pin Mapping & LED ==
190 +[[image:image-20220602154928-5.png||height="436" width="500"]]
219 219  
220 -== Example Send & Get Messages via LoRaWAN in PC ==
221 221  
222 -Connect the LA66 LoRa Shield to the PC
223 223  
224 -[[image:image-20220602171217-1.png||height="615" width="915"]]
194 +(% style="color:blue" %)**4. Send Uplink message**
225 225  
226 -Open the serial port tool
196 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
227 227  
228 -[[image:image-20220602161617-8.png]]
198 +example: AT+SENDB=01,02,8,05820802581ea0a5
229 229  
230 -[[image:image-20220602161718-9.png||height="529" width="927"]]
231 231  
232 -Press the reset switch RST on the LA66 LoRa Shield.
201 +[[image:image-20220602160339-6.png||height="517" width="600"]]
233 233  
234 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
235 235  
236 -[[image:image-20220602161935-10.png]]
237 237  
238 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
205 +Check to see if TTN received the message
239 239  
240 -example: AT+SENDB=01,02,8,05820802581ea0a5
207 +[[image:image-20220602160627-7.png||height="369" width="800"]]
241 241  
242 -[[image:image-20220602162157-11.png]]
243 243  
244 -Check to see if TTN received the message
245 245  
246 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
211 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
247 247  
248 -== Example Send & Get Messages via LoRaWAN in RPi ==
249 249  
250 -Connect the LA66 LoRa Shield to the RPI
214 +=== 1.8.1  Hardware and Software Connection ===
251 251  
252 -[[image:image-20220602171233-2.png||height="592" width="881"]]
253 253  
254 -Log in to the RPI's terminal and connect to the serial port
255 255  
256 -[[image:image-20220602153146-3.png]]
218 +==== (% style="color:blue" %)**Overview：**(%%) ====
257 257  
258 -Press the reset switch RST on the LA66 LoRa Shield.
259 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
260 260  
261 -[[image:image-20220602154928-5.png]]
221 +(((
222 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
262 262  
263 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 +* Send real-time location information of mobile phone to LoRaWAN network.
225 +* Check LoRaWAN network signal strengh.
226 +* Manually send messages to LoRaWAN network.
227 +)))
264 264  
265 -example: AT+SENDB=01,02,8,05820802581ea0a5
266 266  
267 -[[image:image-20220602160339-6.png]]
268 268  
269 -Check to see if TTN received the message
270 270  
271 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
272 272  
273 -=== Install Minicom ===
234 +A USB to Type-C adapter is needed to connect to a Mobile phone.
274 274  
275 -Enter the following command in the RPI terminal
236 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
276 276  
277 -apt update
238 +[[image:image-20220813174353-2.png||height="360" width="313"]]
278 278  
279 -[[image:image-20220602143155-1.png]]
280 280  
281 -apt install minicom
282 282  
283 -[[image:image-20220602143744-2.png]]
242 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
284 284  
285 -=== Send PC's CPU/RAM usage to TTN via script. ===
244 +[[(% 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)
286 286  
287 -==== Take python as an example： ====
246 +[[image:image-20220813173738-1.png]]
288 288  
289 -===== Preconditions: =====
290 290  
291 -1.LA66 USB LoRaWAN Adapter works fine
292 292  
293 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
250 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
294 294  
295 -===== Steps for usage =====
252 +Function and page introduction
296 296  
297 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
254 +[[image:image-20220723113448-7.png||height="995" width="450"]]
298 298  
299 -2.Run the script and see the TTN
256 +**Block Explain:**
300 300  
301 -[[image:image-20220602115852-3.png]]
258 +1.  Display LA66 USB LoRaWAN Module connection status
302 302  
260 +2.  Check and reconnect
303 303  
262 +3.  Turn send timestamps on or off
304 304  
305 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
264 +4.  Display LoRaWan connection status
306 306  
266 +5.  Check LoRaWan connection status
307 307  
308 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
268 +6.  The RSSI value of the node when the ACK is received
309 309  
310 -
270 +7.  Node's Signal Strength Icon
271 +
272 +8.  Configure Location Uplink Interval
273 +
274 +9.  AT command input box
275 +
276 +10.  Send Button:  Send input box info to LA66 USB Adapter
277 +
278 +11.  Output Log from LA66 USB adapter
279 +
280 +12.  clear log button
281 +
282 +13.  exit button
283 +
284 +
285 +LA66 USB LoRaWAN Module not connected
286 +
287 +[[image:image-20220723110520-5.png||height="677" width="508"]]
288 +
289 +
290 +
291 +Connect LA66 USB LoRaWAN Module
292 +
293 +[[image:image-20220723110626-6.png||height="681" width="511"]]
294 +
295 +
296 +
297 +=== 1.8.2 Send data to TTNv3 and plot location info in Node-Red ===
298 +
299 +
300 +(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
301 +
302 +[[image:image-20220723134549-8.png]]
303 +
304 +
305 +
306 +(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
307 +
308 +Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
309 +
310 +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/]]
311 +
312 +After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
313 +
314 +
315 +Example output in NodeRed is as below:
316 +
317 +[[image:image-20220723144339-1.png]]
318 +
319 +
320 +
321 +== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
322 +
323 +
324 +The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
325 +
326 +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)
327 +
328 +[[image:image-20220723150132-2.png]]
329 +
330 +
331 +
332 += 2.  FAQ =
333 +
334 +
335 +== 2.1  How to Compile Source Code for LA66? ==
336 +
337 +
338 +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]]
339 +
340 +
341 +
342 += 3.  Order Info =
343 +
344 +
345 +**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
346 +
347 +
348 +(% style="color:blue" %)**XXX**(%%): The default frequency band
349 +
350 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
351 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
352 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
353 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
354 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
355 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
356 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
357 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
358 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
359 +
360 +
361 +
362 += 4.  Reference =
363 +
364 +
365 +* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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