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Last modified by Xiaoling on 2023/09/19 09:20
From version 73.1
edited by Edwin Chen
on 2022/07/03 00:12
Change comment: There is no comment for this version
To version 162.2
edited by Xiaoling
on 2023/06/05 15:32
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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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 -(% 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  
13 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
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.
11 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
19 19  
20 -== Features ==
19 +(((
20 +
21 +)))
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
23 -* Support peer-to-peer protocol
24 -* TCXO crystal to ensure RF performance on low temperature
25 -* SMD Antenna pad and i-pex antenna connector
26 -* Available in different frequency LoRaWAN frequency bands.
27 -* World-wide unique OTAA keys.
28 -* AT Command via UART-TTL interface
29 -* Firmware upgradable via UART interface
30 -* Ultra-long RF range
23 +(((
24 +(% 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.
25 +)))
26 +)))
31 31  
32 -== Specification ==
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 33  
34 -* CPU: 32-bit 48 MHz
35 -* Flash: 256KB
36 -* RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
39 -* Frequency Range: 150 MHz ~~ 960 MHz
40 -* Maximum Power +22 dBm constant RF output
41 -* High sensitivity: -148 dBm
42 -* Temperature:
43 -** Storage: -55 ~~ +125℃
44 -** Operating: -40 ~~ +85℃
45 -* Humidity:
46 -** Storage: 5 ~~ 95% (Non-Condensing)
47 -** Operating: 10 ~~ 95% (Non-Condensing)
48 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 -* LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
34 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
51 51  
52 -== AT Command ==
39 +(((
40 +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.
41 +)))
42 +)))
53 53  
54 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
44 +(((
45 +(((
46 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
55 55  
56 56  
57 -== Dimension ==
51 +== 1.2  Features ==
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
61 -
62 -== Pin Mapping ==
63 -
64 -[[image:image-20220523101537-1.png]]
65 -
66 -== Land Pattern ==
67 -
68 -[[image:image-20220517072821-2.png]]
69 -
70 -
71 -== Order Info ==
72 -
73 -Part Number: **LA66-XXX**
74 -
75 -**XX**: The default frequency band
76 -
77 -* **AS923**: LoRaWAN AS923 band
78 -* **AU915**: LoRaWAN AU915 band
79 -* **EU433**: LoRaWAN EU433 band
80 -* **EU868**: LoRaWAN EU868 band
81 -* **KR920**: LoRaWAN KR920 band
82 -* **US915**: LoRaWAN US915 band
83 -* **IN865**: LoRaWAN IN865 band
84 -* **CN470**: LoRaWAN CN470 band
85 -* **PP**: Peer to Peer LoRa Protocol
86 -
87 -= LA66 LoRaWAN Shield =
88 -
89 -== Overview ==
90 -
91 -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.
92 -
93 -
94 -== Features ==
95 -
96 -* Arduino Shield base on LA66 LoRaWAN module
97 -* Support LoRaWAN v1.0.4 protocol
54 +* Support LoRaWAN v1.0.3 protocol
98 98  * Support peer-to-peer protocol
99 99  * TCXO crystal to ensure RF performance on low temperature
100 -* SMA connector
57 +* SMD Antenna pad and i-pex antenna connector
101 101  * Available in different frequency LoRaWAN frequency bands.
102 102  * World-wide unique OTAA keys.
103 103  * AT Command via UART-TTL interface
... ... @@ -104,8 +104,9 @@
104 104  * Firmware upgradable via UART interface
105 105  * Ultra-long RF range
106 106  
107 -== Specification ==
64 +== 1.3  Specification ==
108 108  
66 +
109 109  * CPU: 32-bit 48 MHz
110 110  * Flash: 256KB
111 111  * RAM: 64KB
... ... @@ -124,265 +124,172 @@
124 124  * LoRa Rx current: <9 mA
125 125  * I/O Voltage: 3.3v
126 126  
127 -== Pin Mapping & LED ==
85 +== 1.4  AT Command ==
128 128  
129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
131 -== Example: Join TTN network and send an uplink message, get downlink message. ==
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
132 132  
133 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
134 134  
135 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
91 +== 1.5  Dimension ==
136 136  
137 -=== what needs to be used ===
138 138  
139 -1.LA66 LoRaWAN Shield that needs to be upgraded
94 +[[image:image-20220718094750-3.png]]
140 140  
141 -2.Arduino
142 142  
143 -3.USB TO TTL
97 +== 1.6  Pin Mapping ==
144 144  
145 -[[image:image-20220602100052-2.png]]
99 +[[image:image-20220720111850-1.png]]
146 146  
147 -=== Wiring Schematic ===
148 148  
149 -[[image:image-20220602101311-3.png]]
102 +== 1.7  Land Pattern ==
150 150  
151 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
152 152  
153 -GND  >>>>>>>>>>>>GND
105 +[[image:image-20220517072821-2.png]]
154 154  
155 -TXD  >>>>>>>>>>>>TXD
156 156  
157 -RXD  >>>>>>>>>>>>RXD
108 += 2.  FAQ =
158 158  
159 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
110 +== 2.1  Where to find examples of how to use LA66? ==
160 160  
161 -Connect to the PC after connecting the wires
162 162  
163 -[[image:image-20220602102240-4.png]]
113 +(% class="wikigeneratedid" %)
114 +Below products are made by LA66. User can use their examples as reference:
164 164  
165 -=== Upgrade steps ===
116 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
166 166  
167 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
119 +== 2.2  How to Compile Source Code for LA66? ==
168 168  
169 -[[image:image-20220602102824-5.png]]
170 170  
171 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
172 172  
173 -[[image:image-20220602104701-12.png]]
174 174  
175 -==== Open the upgrade application software ====
125 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
176 176  
177 -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/]]
178 178  
179 -[[image:image-20220602103227-6.png]]
128 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
180 180  
181 -[[image:image-20220602103357-7.png]]
182 182  
183 -===== Select the COM port corresponding to USB TTL =====
131 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
184 184  
185 -[[image:image-20220602103844-8.png]]
186 186  
187 -===== Select the bin file to burn =====
134 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
188 188  
189 -[[image:image-20220602104144-9.png]]
190 190  
191 -[[image:image-20220602104251-10.png]]
137 +== 2.5 How can i use J-LInk to debug LA66? ==
192 192  
193 -[[image:image-20220602104402-11.png]]
194 194  
195 -===== Click to start the download =====
140 +(% style="color:#037691" %)**The steps are as follows:**
196 196  
197 -[[image:image-20220602104923-13.png]]
198 198  
199 -===== The following figure appears to prove that the burning is in progress =====
143 +(% style="color:blue" %)**1. Install J-Link software from**
200 200  
201 -[[image:image-20220602104948-14.png]]
145 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
202 202  
203 -===== The following picture appears to prove that the burning is successful =====
204 204  
205 -[[image:image-20220602105251-15.png]]
148 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
206 206  
207 207  
208 -== Order Info ==
151 +[[image:image-20230605151850-1.png]]
209 209  
210 -Part Number: **LA66-LoRaWAN-Shield-XXX**
211 211  
212 -**XX**: The default frequency band
154 +[[image:image-20230605151850-2.png]]
213 213  
214 -* **AS923**: LoRaWAN AS923 band
215 -* **AU915**: LoRaWAN AU915 band
216 -* **EU433**: LoRaWAN EU433 band
217 -* **EU868**: LoRaWAN EU868 band
218 -* **KR920**: LoRaWAN KR920 band
219 -* **US915**: LoRaWAN US915 band
220 -* **IN865**: LoRaWAN IN865 band
221 -* **CN470**: LoRaWAN CN470 band
222 -* **PP**: Peer to Peer LoRa Protocol
223 223  
224 -== Package Info ==
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
225 225  
226 -* LA66 LoRaWAN Shield x 1
227 -* RF Antenna x 1
159 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
228 228  
161 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
229 229  
163 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
230 230  
165 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
231 231  
232 -= LA66 USB LoRaWAN Adapter =
167 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
233 233  
234 -== Overview ==
169 +(% style="display:none" %) (%%)
235 235  
236 -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.
171 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
237 237  
173 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
238 238  
239 -== Features ==
240 240  
241 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
242 -* Ultra-long RF range
243 -* Support LoRaWAN v1.0.4 protocol
244 -* Support peer-to-peer protocol
245 -* TCXO crystal to ensure RF performance on low temperature
246 -* Spring RF antenna
247 -* Available in different frequency LoRaWAN frequency bands.
248 -* World-wide unique OTAA keys.
249 -* AT Command via UART-TTL interface
250 -* Firmware upgradable via UART interface
176 +(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
251 251  
178 +[[image:image-20230605152412-12.png]]
252 252  
253 253  
254 -== Specification ==
181 +[[image:image-20230605151851-6.png]]
255 255  
256 -* CPU: 32-bit 48 MHz
257 -* Flash: 256KB
258 -* RAM: 64KB
259 -* Input Power Range: 5v
260 -* Frequency Range: 150 MHz ~~ 960 MHz
261 -* Maximum Power +22 dBm constant RF output
262 -* High sensitivity: -148 dBm
263 -* Temperature:
264 -** Storage: -55 ~~ +125℃
265 -** Operating: -40 ~~ +85℃
266 -* Humidity:
267 -** Storage: 5 ~~ 95% (Non-Condensing)
268 -** Operating: 10 ~~ 95% (Non-Condensing)
269 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 -* LoRa Rx current: <9 mA
271 271  
184 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
272 272  
186 +[[image:image-20230605151851-7.png]]
273 273  
274 -== Pin Mapping & LED ==
188 +[[image:image-20230605151851-8.png]]
275 275  
276 -== Example Send & Get Messages via LoRaWAN in PC ==
277 277  
278 -Connect the LA66 LoRa Shield to the PC
191 +(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
279 279  
280 -[[image:image-20220602171217-1.png||height="615" width="915"]]
281 281  
282 -Open the serial port tool
194 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
283 283  
284 -[[image:image-20220602161617-8.png]]
285 285  
286 -[[image:image-20220602161718-9.png||height="529" width="927"]]
197 +[[image:image-20230605151851-9.png]]
287 287  
288 -Press the reset switch RST on the LA66 LoRa Shield.
289 289  
290 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
200 +(% style="color:blue" %)**Click Debug mode to debug.**
291 291  
292 -[[image:image-20220602161935-10.png]]
202 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
293 293  
294 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
295 295  
296 -example: AT+SENDB=01,02,8,05820802581ea0a5
205 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
297 297  
298 -[[image:image-20220602162157-11.png]]
207 +(% style="display:none" %) (%%)
299 299  
300 -Check to see if TTN received the message
209 += 3.  Order Info =
301 301  
302 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
303 303  
304 -== Example Send & Get Messages via LoRaWAN in RPi ==
212 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
305 305  
306 -Connect the LA66 LoRa Shield to the RPI
214 +(% style="color:blue" %)**XXX**(%%): The default frequency band
307 307  
308 -[[image:image-20220602171233-2.png||height="592" width="881"]]
216 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
217 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
218 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
219 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
220 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
221 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
222 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
223 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
224 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
309 309  
310 -Log in to the RPI's terminal and connect to the serial port
226 += 4.  FCC Statement =
311 311  
312 -[[image:image-20220602153146-3.png]]
313 313  
314 -Press the reset switch RST on the LA66 LoRa Shield.
315 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
229 +(% style="color:red" %)**FCC Caution:**
316 316  
317 -[[image:image-20220602154928-5.png]]
231 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
318 318  
319 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
320 320  
321 -example: AT+SENDB=01,02,8,05820802581ea0a5
322 322  
323 -[[image:image-20220602160339-6.png]]
236 +(% style="color:red" %)**IMPORTANT NOTE: **
324 324  
325 -Check to see if TTN received the message
238 +(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
326 326  
327 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
240 +—Reorient or relocate the receiving antenna.
328 328  
329 -=== Install Minicom ===
242 +—Increase the separation between the equipment and receiver.
330 330  
331 -Enter the following command in the RPI terminal
244 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
332 332  
333 -apt update
246 +—Consult the dealer or an experienced radio/TV technician for help.
334 334  
335 -[[image:image-20220602143155-1.png]]
336 336  
337 -apt install minicom
249 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
338 338  
339 -[[image:image-20220602143744-2.png]]
251 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
340 340  
341 -=== Send PC's CPU/RAM usage to TTN via script. ===
342 -
343 -==== Take python as an example： ====
344 -
345 -===== Preconditions: =====
346 -
347 -1.LA66 USB LoRaWAN Adapter works fine
348 -
349 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
350 -
351 -===== Steps for usage =====
352 -
353 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
354 -
355 -2.Run the script and see the TTN
356 -
357 -[[image:image-20220602115852-3.png]]
358 -
359 -
360 -
361 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
362 -
363 -
364 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
365 -
366 -
367 -
368 -== Order Info ==
369 -
370 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
371 -
372 -**XX**: The default frequency band
373 -
374 -* **AS923**: LoRaWAN AS923 band
375 -* **AU915**: LoRaWAN AU915 band
376 -* **EU433**: LoRaWAN EU433 band
377 -* **EU868**: LoRaWAN EU868 band
378 -* **KR920**: LoRaWAN KR920 band
379 -* **US915**: LoRaWAN US915 band
380 -* **IN865**: LoRaWAN IN865 band
381 -* **CN470**: LoRaWAN CN470 band
382 -* **PP**: Peer to Peer LoRa Protocol
383 -
384 -== Package Info ==
385 -
386 -* LA66 USB LoRaWAN Adapter x 1
387 -
388 388  
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