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Last modified by Xiaoling on 2025/02/07 16:37
From version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
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 -== Specification ==
33 33  
58 +
59 +== 1.3  Specification ==
60 +
61 +
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
37 -* Input Power Range: 1.8v ~~ 3.7v
38 -* Power Consumption: < 4uA.
65 +* Input Power Range: 5v
39 39  * Frequency Range: 150 MHz ~~ 960 MHz
40 40  * Maximum Power +22 dBm constant RF output
41 41  * High sensitivity: -148 dBm
... ... @@ -47,290 +47,292 @@
47 47  ** Operating: 10 ~~ 95% (Non-Condensing)
48 48  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 49  * LoRa Rx current: <9 mA
50 -* I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
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.
55 55  
80 +== 1.4  Pin Mapping & LED ==
56 56  
57 -== Dimension ==
82 +[[image:image-20220813183239-3.png||height="526" width="662"]]
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
61 61  
62 -== Pin Mapping ==
86 +== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== 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 +)))
67 67  
68 -[[image:image-20220517072821-2.png]]
69 69  
94 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
70 70  
71 -== Order Info ==
72 72  
73 -Part Number: **LA66-XXX**
97 +[[image:image-20220723100027-1.png]]
74 74  
75 -**XX**: The default frequency band
76 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
100 +Open the serial port tool
86 86  
102 +[[image:image-20220602161617-8.png]]
87 87  
88 -= LA66 LoRaWAN Shield =
104 +[[image:image-20220602161718-9.png||height="457" width="800"]]
89 89  
90 -== Overview ==
91 91  
92 -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.
93 93  
108 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
94 94  
95 -== Features ==
110 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
96 96  
97 -* Arduino Shield base on LA66 LoRaWAN module
98 -* Support LoRaWAN v1.0.4 protocol
99 -* Support peer-to-peer protocol
100 -* TCXO crystal to ensure RF performance on low temperature
101 -* SMA connector
102 -* Available in different frequency LoRaWAN frequency bands.
103 -* World-wide unique OTAA keys.
104 -* AT Command via UART-TTL interface
105 -* Firmware upgradable via UART interface
106 -* Ultra-long RF range
107 107  
108 -== Specification ==
113 +[[image:image-20220602161935-10.png||height="498" width="800"]]
109 109  
110 -* CPU: 32-bit 48 MHz
111 -* Flash: 256KB
112 -* RAM: 64KB
113 -* Input Power Range: 1.8v ~~ 3.7v
114 -* Power Consumption: < 4uA.
115 -* Frequency Range: 150 MHz ~~ 960 MHz
116 -* Maximum Power +22 dBm constant RF output
117 -* High sensitivity: -148 dBm
118 -* Temperature:
119 -** Storage: -55 ~~ +125℃
120 -** Operating: -40 ~~ +85℃
121 -* Humidity:
122 -** Storage: 5 ~~ 95% (Non-Condensing)
123 -** Operating: 10 ~~ 95% (Non-Condensing)
124 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 -* LoRa Rx current: <9 mA
126 -* I/O Voltage: 3.3v
127 127  
128 -== Pin Mapping & LED ==
129 129  
130 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
117 +(% style="color:blue" %)**3. See Uplink Command**
131 131  
132 -== Example: Join TTN network and send an uplink message, get downlink message. ==
119 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
133 133  
134 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 +example: AT+SENDB=01,02,8,05820802581ea0a5
135 135  
136 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 +[[image:image-20220602162157-11.png||height="497" width="800"]]
137 137  
138 -=== what needs to be used ===
139 139  
140 -1.LA66 LoRaWAN Shield that needs to be upgraded
141 141  
142 -2.Arduino
127 +(% style="color:blue" %)**4. Check to see if TTN received the message**
143 143  
144 -3.USB TO TTL
129 +[[image:image-20220817084532-1.jpeg||height="563" width="1076"]]
145 145  
146 -[[image:image-20220602100052-2.png]]
147 147  
148 -=== Wiring Schematic ===
149 149  
150 -[[image:image-20220602101311-3.png]]
133 +== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
151 151  
152 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
153 153  
154 -GND  >>>>>>>>>>>>GND
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]]
155 155  
156 -TXD  >>>>>>>>>>>>TXD
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]])
157 157  
158 -RXD  >>>>>>>>>>>>RXD
140 +(% style="color:red" %)**Preconditions:**
159 159  
160 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
142 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
161 161  
162 -Connect to the PC after connecting the wires
144 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
163 163  
164 -[[image:image-20220602102240-4.png]]
165 165  
166 -=== Upgrade steps ===
167 167  
168 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
148 +(% style="color:blue" %)**Steps for usage:**
169 169  
170 -[[image:image-20220602102824-5.png]]
150 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
171 171  
172 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
152 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
173 173  
174 -[[image:image-20220602104701-12.png]]
154 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
175 175  
176 -==== Open the upgrade application software ====
177 177  
178 -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/]]
179 179  
180 -[[image:image-20220602103227-6.png]]
158 +== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
181 181  
182 -[[image:image-20220602103357-7.png]]
183 183  
184 -===== Select the COM port corresponding to USB TTL =====
161 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
185 185  
186 -[[image:image-20220602103844-8.png]]
187 187  
188 -===== Select the bin file to burn =====
164 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
189 189  
190 -[[image:image-20220602104144-9.png]]
166 +[[image:image-20220723100439-2.png]]
191 191  
192 -[[image:image-20220602104251-10.png]]
193 193  
194 -[[image:image-20220602104402-11.png]]
195 195  
196 -===== Click to start the download =====
170 +(% style="color:blue" %)**2. Install Minicom in RPi.**
197 197  
198 -[[image:image-20220602104923-13.png]]
172 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
199 199  
200 -===== The following figure appears to prove that the burning is in progress =====
174 + (% style="background-color:yellow" %)**apt update**
201 201  
202 -[[image:image-20220602104948-14.png]]
176 + (% style="background-color:yellow" %)**apt install minicom**
203 203  
204 -===== The following picture appears to prove that the burning is successful =====
205 205  
206 -[[image:image-20220602105251-15.png]]
179 +Use minicom to connect to the RPI's terminal
207 207  
208 -(% class="wikigeneratedid" %)
209 -= =
181 +[[image:image-20220602153146-3.png||height="439" width="500"]]
210 210  
211 -== Order Info ==
212 212  
213 -Part Number: **LA66-LoRaWAN-Shield-XXX**
214 214  
215 -**XX**: The default frequency band
185 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
216 216  
217 -* **AS923**: LoRaWAN AS923 band
218 -* **AU915**: LoRaWAN AU915 band
219 -* **EU433**: LoRaWAN EU433 band
220 -* **EU868**: LoRaWAN EU868 band
221 -* **KR920**: LoRaWAN KR920 band
222 -* **US915**: LoRaWAN US915 band
223 -* **IN865**: LoRaWAN IN865 band
224 -* **CN470**: LoRaWAN CN470 band
225 -* **PP**: Peer to Peer LoRa Protocol
187 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
226 226  
227 227  
228 -(% class="wikigeneratedid" %)
229 -== Package Info ==
190 +[[image:image-20220602154928-5.png||height="436" width="500"]]
230 230  
231 -* LA66 LoRaWAN Shield x 1
232 -* RF Antenna x 1
233 233  
234 234  
194 +(% style="color:blue" %)**4. Send Uplink message**
235 235  
196 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
236 236  
198 +example: AT+SENDB=01,02,8,05820802581ea0a5
237 237  
238 -= LA66 USB LoRaWAN Adapter =
239 239  
240 -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.
201 +[[image:image-20220602160339-6.png||height="517" width="600"]]
241 241  
242 -Before use, please make sure that the computer has installed the CP2102 driver
243 243  
244 -== Pin Mapping & LED ==
245 245  
246 -== Example Send & Get Messages via LoRaWAN in PC ==
205 +Check to see if TTN received the message
247 247  
248 -Connect the LA66 LoRa Shield to the PC
207 +[[image:image-20220602160627-7.png||height="369" width="800"]]
249 249  
250 -[[image:image-20220602171217-1.png||height="615" width="915"]]
251 251  
252 -Open the serial port tool
253 253  
254 -[[image:image-20220602161617-8.png]]
211 +== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
255 255  
256 -[[image:image-20220602161718-9.png||height="529" width="927"]]
257 257  
258 -Press the reset switch RST on the LA66 LoRa Shield.
214 +=== 1.8.1  Hardware and Software Connection ===
259 259  
260 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
261 261  
262 -[[image:image-20220602161935-10.png]]
263 263  
264 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 +==== (% style="color:blue" %)**Overview：**(%%) ====
265 265  
266 -example: AT+SENDB=01,02,8,05820802581ea0a5
267 267  
268 -[[image:image-20220602162157-11.png]]
221 +(((
222 +DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
269 269  
270 -Check to see if TTN received the message
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 +)))
271 271  
272 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 273  
274 -== Example Send & Get Messages via LoRaWAN in RPi ==
275 275  
276 -Connect the LA66 LoRa Shield to the RPI
277 277  
278 -[[image:image-20220602171233-2.png||height="592" width="881"]]
232 +==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
279 279  
280 -Log in to the RPI's terminal and connect to the serial port
234 +A USB to Type-C adapter is needed to connect to a Mobile phone.
281 281  
282 -[[image:image-20220602153146-3.png]]
236 +Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
283 283  
284 -Press the reset switch RST on the LA66 LoRa Shield.
285 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
238 +[[image:image-20220813174353-2.png||height="360" width="313"]]
286 286  
287 -[[image:image-20220602154928-5.png]]
288 288  
289 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
290 290  
291 -example: AT+SENDB=01,02,8,05820802581ea0a5
242 +==== (% style="color:blue" %)**Download and Install App:**(%%) ====
292 292  
293 -[[image:image-20220602160339-6.png]]
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)
294 294  
295 -Check to see if TTN received the message
246 +[[image:image-20220813173738-1.png]]
296 296  
297 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
298 298  
299 -=== Install Minicom ===
300 300  
301 -Enter the following command in the RPI terminal
250 +==== (% style="color:blue" %)**Use of APP:**(%%) ====
302 302  
303 -apt update
252 +Function and page introduction
304 304  
305 -[[image:image-20220602143155-1.png]]
254 +[[image:image-20220723113448-7.png||height="995" width="450"]]
306 306  
307 -apt install minicom
256 +**Block Explain:**
308 308  
309 -[[image:image-20220602143744-2.png]]
258 +1.  Display LA66 USB LoRaWAN Module connection status
310 310  
311 -=== Send PC's CPU/RAM usage to TTN via script. ===
260 +2.  Check and reconnect
312 312  
313 -==== Take python as an example： ====
262 +3.  Turn send timestamps on or off
314 314  
315 -===== Preconditions: =====
264 +4.  Display LoRaWan connection status
316 316  
317 -1.LA66 USB LoRaWAN Adapter works fine
266 +5.  Check LoRaWan connection status
318 318  
319 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
268 +6.  The RSSI value of the node when the ACK is received
320 320  
321 -===== Steps for usage =====
270 +7.  Node's Signal Strength Icon
322 322  
323 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
272 +8.  Configure Location Uplink Interval
324 324  
325 -2.Run the script and see the TTN
274 +9.  AT command input box
326 326  
327 -[[image:image-20220602115852-3.png]]
276 +10.  Send Button:  Send input box info to LA66 USB Adapter
328 328  
278 +11.  Output Log from LA66 USB adapter
329 329  
280 +12.  clear log button
330 330  
331 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
282 +13.  exit button
332 332  
333 333  
334 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
285 +LA66 USB LoRaWAN Module not connected
335 335  
336 -
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]]
image-20220715000242-1.png
Author
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