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Last modified by Xiaoling on 2023/09/19 09:20
From version 162.6
edited by Xiaoling
on 2023/09/19 09:20
Change comment: There is no comment for this version
To version 87.7
edited by Xiaoling
on 2022/07/13 10:00
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
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1 1  
2 2  
3 -**Table of Contents:**
4 -
5 5  {{toc/}}
6 6  
7 7  
... ... @@ -8,50 +8,24 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
9 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
14 -(((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
18 -
19 -(((
20 -
21 -)))
22 -
23 -(((
24 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 -)))
27 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 -)))
15 +(% 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.
33 33  
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 38  
39 -(((
40 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 -)))
43 43  
44 -(((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 -)))
48 -)))
49 49  
50 50  
51 51  == 1.2  Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
26 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -61,9 +61,10 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
64 -== 1.3  Specification ==
65 65  
66 66  
38 +== 1.3  Specification ==
39 +
67 67  * CPU: 32-bit 48 MHz
68 68  * Flash: 256KB
69 69  * RAM: 64KB
... ... @@ -82,174 +82,388 @@
82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
58 +
59 +
85 85  == 1.4  AT Command ==
86 86  
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.
87 87  
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/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
89 89  
90 90  == 1.5  Dimension ==
91 91  
67 +[[image:image-20220517072526-1.png]]
92 92  
93 -[[image:image-20220718094750-3.png]]
94 94  
95 95  
96 96  == 1.6  Pin Mapping ==
97 97  
98 -[[image:image-20220720111850-1.png]]
99 99  
74 +[[image:image-20220523101537-1.png]]
100 100  
101 -== 1.7  Land Pattern ==
102 102  
103 103  
78 +== 1.7  Land Pattern ==
79 +
104 104  [[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -= 2.  FAQ =
108 108  
109 -== 2.1  Where to find examples of how to use LA66? ==
84 += 2.  LA66 LoRaWAN Shield =
110 110  
111 111  
112 -(% class="wikigeneratedid" %)
113 -Below products are made by LA66. User can use their examples as reference:
87 +== 2.1  Overview ==
114 114  
115 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
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.
117 117  
118 -== 2.2  How to Compile Source Code for LA66? ==
119 119  
92 +== 2.2  Features ==
120 120  
121 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
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
122 122  
105 +== 2.3  Specification ==
123 123  
124 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
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
125 125  
125 +== 2.4  Pin Mapping & LED ==
126 126  
127 -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.
128 128  
129 129  
130 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
129 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
131 131  
132 132  
133 -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]]
134 134  
133 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
135 135  
136 -== 2.5 How can i use J-LInk to debug LA66? ==
137 137  
138 138  
139 -(% style="color:#037691" %)**The steps are as follows:**
137 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
140 140  
141 141  
142 -(% style="color:blue" %)**1. Install J-Link software from**
143 143  
144 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
141 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
145 145  
146 146  
147 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
144 +=== 2.8.1  Items needed for update ===
148 148  
146 +1. LA66 LoRaWAN Shield
147 +1. Arduino
148 +1. USB TO TTL Adapter
149 149  
150 -[[image:image-20230605151850-1.png||height="676" width="640"]]
150 +[[image:image-20220602100052-2.png||height="385" width="600"]]
151 151  
152 152  
153 -[[image:image-20230605151850-2.png]]
153 +=== 2.8.2  Connection ===
154 154  
155 -(% style="display:none" %) (%%)
156 156  
157 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
156 +[[image:image-20220602101311-3.png||height="276" width="600"]]
158 158  
159 159  
160 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
159 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
161 161  
162 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
163 163  
164 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
162 +(% style="background-color:yellow" %)**GND  <-> GND
163 +TXD  <->  TXD
164 +RXD  <->  RXD**
165 165  
166 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
167 167  
168 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
167 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
169 169  
170 -(% style="display:none" %) (%%)
169 +Connect USB TTL Adapter to PC after connecting the wires
171 171  
172 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
173 173  
174 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
172 +[[image:image-20220602102240-4.png||height="304" width="600"]]
175 175  
176 176  
177 -**Add ASR6601 256KB Flash to Flash Download**
175 +=== 2.8.3  Upgrade steps ===
178 178  
179 -[[image:image-20230605152412-12.png]]
180 180  
178 +==== 1.  Switch SW1 to put in ISP position ====
181 181  
182 -[[image:image-20230605151851-6.png]]
183 183  
181 +[[image:image-20220602102824-5.png||height="306" width="600"]]
184 184  
185 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
186 186  
184 +==== 2.  Press the RST switch once ====
187 187  
188 -[[image:image-20230605151851-7.png]]
186 +[[image:image-20220602104701-12.png||height="285" width="600"]]
189 189  
190 -[[image:image-20230605151851-8.png]]
191 191  
189 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
192 192  
193 -(% 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.**
194 194  
192 +(% 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/]]**
195 195  
196 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
197 197  
195 +[[image:image-20220602103227-6.png]]
198 198  
199 -[[image:image-20230605151851-9.png]]
200 200  
198 +[[image:image-20220602103357-7.png]]
201 201  
202 -(% style="color:blue" %)**Click Debug mode to debug.**
203 203  
204 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
205 205  
202 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
203 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
206 206  
207 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
208 208  
209 -(% style="display:none" %) (%%)
206 +[[image:image-20220602103844-8.png]]
210 210  
211 -= 3.  Order Info =
212 212  
213 213  
214 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
210 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
211 +(% style="color:blue" %)**3. Select the bin file to burn**
215 215  
216 -(% style="color:blue" %)**XXX**(%%): The default frequency band
217 217  
218 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
219 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
220 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
221 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
222 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
223 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
224 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
225 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
214 +[[image:image-20220602104144-9.png]]
227 227  
228 -= 4.  FCC Statement =
229 229  
217 +[[image:image-20220602104251-10.png]]
230 230  
231 -(% style="color:red" %)**FCC Caution:**
232 232  
233 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
220 +[[image:image-20220602104402-11.png]]
234 234  
235 -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.
236 236  
237 237  
238 -(% style="color:red" %)**IMPORTANT NOTE: **
224 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
225 +(% style="color:blue" %)**4. Click to start the download**
239 239  
240 -(% 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:
227 +[[image:image-20220602104923-13.png]]
241 241  
242 -—Reorient or relocate the receiving antenna.
243 243  
244 -—Increase the separation between the equipment and receiver.
230 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
231 +(% style="color:blue" %)**5. Check update process**
245 245  
246 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
247 247  
248 -—Consult the dealer or an experienced radio/TV technician for help.
234 +[[image:image-20220602104948-14.png]]
249 249  
250 250  
251 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
252 252  
253 -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.
238 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
239 +(% style="color:blue" %)**The following picture shows that the burning is successful**
254 254  
241 +[[image:image-20220602105251-15.png]]
242 +
243 +
244 +
245 += 3.  LA66 USB LoRaWAN Adapter =
246 +
247 +
248 +== 3.1  Overview ==
249 +
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.
251 +
252 +
253 +== 3.2  Features ==
254 +
255 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
256 +* Ultra-long RF range
257 +* Support LoRaWAN v1.0.4 protocol
258 +* Support peer-to-peer protocol
259 +* TCXO crystal to ensure RF performance on low temperature
260 +* Spring RF antenna
261 +* Available in different frequency LoRaWAN frequency bands.
262 +* World-wide unique OTAA keys.
263 +* AT Command via UART-TTL interface
264 +* Firmware upgradable via UART interface
265 +
266 +== 3.3  Specification ==
267 +
268 +* CPU: 32-bit 48 MHz
269 +* Flash: 256KB
270 +* RAM: 64KB
271 +* Input Power Range: 5v
272 +* Frequency Range: 150 MHz ~~ 960 MHz
273 +* Maximum Power +22 dBm constant RF output
274 +* High sensitivity: -148 dBm
275 +* Temperature:
276 +** Storage: -55 ~~ +125℃
277 +** Operating: -40 ~~ +85℃
278 +* Humidity:
279 +** Storage: 5 ~~ 95% (Non-Condensing)
280 +** Operating: 10 ~~ 95% (Non-Condensing)
281 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
282 +* LoRa Rx current: <9 mA
283 +
284 +== 3.4  Pin Mapping & LED ==
285 +
286 +
287 +
288 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
289 +
290 +
291 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
292 +
293 +
294 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
295 +
296 +
297 +[[image:image-20220602171217-1.png||height="538" width="800"]]
298 +
299 +
300 +Open the serial port tool
301 +
302 +[[image:image-20220602161617-8.png]]
303 +
304 +[[image:image-20220602161718-9.png||height="457" width="800"]]
305 +
306 +
307 +
308 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
309 +
310 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
311 +
312 +
313 +[[image:image-20220602161935-10.png||height="498" width="800"]]
314 +
315 +
316 +
317 +(% style="color:blue" %)**3. See Uplink Command**
318 +
319 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
320 +
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
322 +
323 +[[image:image-20220602162157-11.png||height="497" width="800"]]
324 +
325 +
326 +
327 +(% style="color:blue" %)**4. Check to see if TTN received the message**
328 +
329 +[[image:image-20220602162331-12.png||height="420" width="800"]]
330 +
331 +
332 +
333 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
334 +
335 +
336 +**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]]
337 +
338 +
339 +(% style="color:red" %)**Preconditions:**
340 +
341 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
342 +
343 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
344 +
345 +
346 +
347 +(% style="color:blue" %)**Steps for usage:**
348 +
349 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350 +
351 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
352 +
353 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
354 +
355 +
356 +
357 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
358 +
359 +
360 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
361 +
362 +
363 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
364 +
365 +[[image:image-20220602171233-2.png||height="538" width="800"]]
366 +
367 +
368 +
369 +(% style="color:blue" %)**2. Install Minicom in RPi.**
370 +
371 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
372 +
373 + (% style="background-color:yellow" %)**apt update**
374 +
375 + (% style="background-color:yellow" %)**apt install minicom**
376 +
377 +
378 +Use minicom to connect to the RPI's terminal
379 +
380 +[[image:image-20220602153146-3.png||height="439" width="500"]]
381 +
382 +
383 +
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
386 +
387 +[[image:image-20220602154928-5.png||height="436" width="500"]]
388 +
389 +
390 +
391 +(% style="color:blue" %)**4. Send Uplink message**
392 +
393 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
394 +
395 +example: AT+SENDB=01,02,8,05820802581ea0a5
396 +
397 +
398 +[[image:image-20220602160339-6.png||height="517" width="600"]]
399 +
400 +
401 +
402 +Check to see if TTN received the message
403 +
404 +[[image:image-20220602160627-7.png||height="369" width="800"]]
405 +
406 +
407 +
408 +== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
409 +
410 +
411 +
412 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
413 +
414 +
415 +
416 +
417 += 4.  Order Info =
418 +
419 +
420 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
421 +
422 +
423 +(% style="color:blue" %)**XXX**(%%): The default frequency band
424 +
425 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
426 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
427 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
428 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
429 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
430 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
431 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
432 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
433 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
434 +
435 +
436 +
437 +
438 += 5.  Reference =
439 +
440 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
441 +
255 255  
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