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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.7
edited by Xiaoling
on 2022/08/22 16:24
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To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version

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Title
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1 -LA66 USB LoRaWAN Adapter User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
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.
9 9  
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.
10 10  
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 -(((
29 29  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
30 -)))
31 31  
32 -(((
33 33  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 -)))
35 35  
36 -(((
37 37  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
38 -)))
39 39  
40 40  
20 +== Features ==
41 41  
42 -== 1.2  Features ==
43 -
44 -
45 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
46 -* Ultra-long RF range
47 47  * Support LoRaWAN v1.0.4 protocol
48 48  * Support peer-to-peer protocol
49 49  * TCXO crystal to ensure RF performance on low temperature
50 -* Spring RF antenna
25 +* SMD Antenna pad and i-pex antenna connector
51 51  * Available in different frequency LoRaWAN frequency bands.
52 52  * World-wide unique OTAA keys.
53 53  * AT Command via UART-TTL interface
54 54  * Firmware upgradable via UART interface
55 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
30 +* Ultra-long RF range
56 56  
32 +== Specification ==
57 57  
58 -
59 -== 1.3  Specification ==
60 -
61 -
62 62  * CPU: 32-bit 48 MHz
63 63  * Flash: 256KB
64 64  * RAM: 64KB
65 -* Input Power Range: 5v
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
66 66  * Frequency Range: 150 MHz ~~ 960 MHz
67 67  * Maximum Power +22 dBm constant RF output
68 68  * High sensitivity: -148 dBm
... ... @@ -74,315 +74,290 @@
74 74  ** Operating: 10 ~~ 95% (Non-Condensing)
75 75  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
76 76  * LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
77 77  
52 +== AT Command ==
78 78  
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.
79 79  
80 -== 1.4  Pin Mapping & LED ==
81 81  
57 +== Dimension ==
82 82  
83 -[[image:image-20220813183239-3.png||height="526" width="662"]]
59 +[[image:image-20220517072526-1.png]]
84 84  
85 85  
62 +== Pin Mapping ==
86 86  
87 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
64 +[[image:image-20220523101537-1.png]]
88 88  
66 +== Land Pattern ==
89 89  
90 -(((
91 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
92 -)))
68 +[[image:image-20220517072821-2.png]]
93 93  
94 94  
95 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
71 +== Order Info ==
96 96  
73 +Part Number: **LA66-XXX**
97 97  
98 -[[image:image-20220723100027-1.png]]
75 +**XX**: The default frequency band
99 99  
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
100 100  
101 -Open the serial port tool
102 102  
103 -[[image:image-20220602161617-8.png]]
88 += LA66 LoRaWAN Shield =
104 104  
105 -[[image:image-20220602161718-9.png||height="457" width="800"]]
90 +== Overview ==
106 106  
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.
107 107  
108 108  
109 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
95 +== Features ==
110 110  
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
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
108 +== Specification ==
113 113  
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
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
128 +== Pin Mapping & LED ==
116 116  
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
117 117  
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
120 120  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
121 121  
122 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
138 +=== what needs to be used ===
123 123  
124 -example: AT+SENDB=01,02,8,05820802581ea0a5
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
126 -[[image:image-20220602162157-11.png||height="497" width="800"]]
142 +2.Arduino
127 127  
144 +3.USB TO TTL
128 128  
146 +[[image:image-20220602100052-2.png]]
129 129  
130 -(% style="color:blue" %)**4. Check to see if TTN received the message**
148 +=== Wiring Schematic ===
131 131  
150 +[[image:image-20220602101311-3.png]]
132 132  
133 -[[image:image-20220817093644-1.png]]
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
154 +GND  >>>>>>>>>>>>GND
135 135  
156 +TXD  >>>>>>>>>>>>TXD
136 136  
137 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
158 +RXD  >>>>>>>>>>>>RXD
138 138  
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 139  
140 -**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]]
162 +Connect to the PC after connecting the wires
141 141  
142 -(**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]])
164 +[[image:image-20220602102240-4.png]]
143 143  
166 +=== Upgrade steps ===
144 144  
145 -(% style="color:red" %)**Preconditions:**
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
146 146  
147 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
170 +[[image:image-20220602102824-5.png]]
148 148  
149 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
150 150  
174 +[[image:image-20220602104701-12.png]]
151 151  
176 +==== Open the upgrade application software ====
152 152  
153 -(% style="color:blue" %)**Steps for usage:**
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/]]
154 154  
155 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
180 +[[image:image-20220602103227-6.png]]
156 156  
157 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
182 +[[image:image-20220602103357-7.png]]
158 158  
184 +===== Select the COM port corresponding to USB TTL =====
159 159  
160 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
186 +[[image:image-20220602103844-8.png]]
161 161  
188 +===== Select the bin file to burn =====
162 162  
190 +[[image:image-20220602104144-9.png]]
163 163  
164 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
192 +[[image:image-20220602104251-10.png]]
165 165  
194 +[[image:image-20220602104402-11.png]]
166 166  
167 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
196 +===== Click to start the download =====
168 168  
198 +[[image:image-20220602104923-13.png]]
169 169  
170 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
200 +===== The following figure appears to prove that the burning is in progress =====
171 171  
202 +[[image:image-20220602104948-14.png]]
172 172  
173 -[[image:image-20220723100439-2.png]]
204 +===== The following picture appears to prove that the burning is successful =====
174 174  
206 +[[image:image-20220602105251-15.png]]
175 175  
208 +(% class="wikigeneratedid" %)
209 += =
176 176  
177 -(% style="color:blue" %)**2. Install Minicom in RPi.**
211 +== Order Info ==
178 178  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
179 179  
180 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
215 +**XX**: The default frequency band
181 181  
182 - (% style="background-color:yellow" %)**apt update**
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
183 183  
184 - (% style="background-color:yellow" %)**apt install minicom**
185 185  
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
186 186  
187 -Use minicom to connect to the RPI's terminal
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
188 188  
189 -[[image:image-20220602153146-3.png||height="439" width="500"]]
190 190  
191 191  
192 192  
193 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
194 194  
238 += LA66 USB LoRaWAN Adapter =
195 195  
196 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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.
197 197  
242 +Before use, please make sure that the computer has installed the CP2102 driver
198 198  
199 -[[image:image-20220602154928-5.png||height="436" width="500"]]
244 +== Pin Mapping & LED ==
200 200  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
201 201  
248 +Connect the LA66 LoRa Shield to the PC
202 202  
203 -(% style="color:blue" %)**4. Send Uplink message**
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
204 204  
252 +Open the serial port tool
205 205  
206 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
254 +[[image:image-20220602161617-8.png]]
207 207  
208 -example: AT+SENDB=01,02,8,05820802581ea0a5
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
209 209  
258 +Press the reset switch RST on the LA66 LoRa Shield.
210 210  
211 -[[image:image-20220602160339-6.png||height="517" width="600"]]
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
212 212  
262 +[[image:image-20220602161935-10.png]]
213 213  
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
214 214  
215 -Check to see if TTN received the message
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
216 216  
217 -[[image:image-20220602160627-7.png||height="369" width="800"]]
268 +[[image:image-20220602162157-11.png]]
218 218  
270 +Check to see if TTN received the message
219 219  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
220 220  
221 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
222 222  
276 +Connect the LA66 LoRa Shield to the RPI
223 223  
224 -=== 1.8.1  Hardware and Software Connection ===
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
225 225  
280 +Log in to the RPI's terminal and connect to the serial port
226 226  
282 +[[image:image-20220602153146-3.png]]
227 227  
228 -==== (% style="color:blue" %)**Overview：**(%%) ====
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
229 229  
287 +[[image:image-20220602154928-5.png]]
230 230  
231 -(((
232 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 233  
234 -* Send real-time location information of mobile phone to LoRaWAN network.
235 -* Check LoRaWAN network signal strengh.
236 -* Manually send messages to LoRaWAN network.
237 -)))
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
238 238  
293 +[[image:image-20220602160339-6.png]]
239 239  
295 +Check to see if TTN received the message
240 240  
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
241 241  
242 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
299 +=== Install Minicom ===
243 243  
301 +Enter the following command in the RPI terminal
244 244  
245 -A USB to Type-C adapter is needed to connect to a Mobile phone.
303 +apt update
246 246  
247 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
305 +[[image:image-20220602143155-1.png]]
248 248  
249 -[[image:image-20220813174353-2.png||height="360" width="313"]]
307 +apt install minicom
250 250  
309 +[[image:image-20220602143744-2.png]]
251 251  
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
252 252  
253 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
313 +==== Take python as an example： ====
254 254  
315 +===== Preconditions: =====
255 255  
256 -[[(% 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)
317 +1.LA66 USB LoRaWAN Adapter works fine
257 257  
258 -[[image:image-20220813173738-1.png]]
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
259 259  
321 +===== Steps for usage =====
260 260  
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
261 261  
262 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
325 +2.Run the script and see the TTN
263 263  
327 +[[image:image-20220602115852-3.png]]
264 264  
265 -Function and page introduction
266 266  
267 267  
268 -[[image:image-20220723113448-7.png||height="995" width="450"]]
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
269 269  
270 -**Block Explain:**
271 271  
272 -1.  Display LA66 USB LoRaWAN Module connection status
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
273 273  
274 -2.  Check and reconnect
275 -
276 -3.  Turn send timestamps on or off
277 -
278 -4.  Display LoRaWan connection status
279 -
280 -5.  Check LoRaWan connection status
281 -
282 -6.  The RSSI value of the node when the ACK is received
283 -
284 -7.  Node's Signal Strength Icon
285 -
286 -8.  Configure Location Uplink Interval
287 -
288 -9.  AT command input box
289 -
290 -10.  Send Button:  Send input box info to LA66 USB Adapter
291 -
292 -11.  Output Log from LA66 USB adapter
293 -
294 -12.  clear log button
295 -
296 -13.  exit button
297 -
298 -
299 -
300 -LA66 USB LoRaWAN Module not connected
301 -
302 -
303 -[[image:image-20220723110520-5.png||height="677" width="508"]]
304 -
305 -
306 -
307 -Connect LA66 USB LoRaWAN Module
308 -
309 -[[image:image-20220723110626-6.png||height="681" width="511"]]
310 -
311 -
312 -
313 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
314 -
315 -
316 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
317 -
318 -
319 -[[image:image-20220723134549-8.png]]
320 -
321 -
322 -
323 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
324 -
325 -
326 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
327 -
328 -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/]]
329 -
330 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
331 -
332 -
333 -Example output in NodeRed is as below:
334 -
335 -[[image:image-20220723144339-1.png]]
336 -
337 -
338 -
339 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
340 -
341 -
342 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
343 -
344 -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)
345 -
346 -
347 -[[image:image-20220723150132-2.png]]
348 -
349 -
350 -
351 -= 2.  FAQ =
352 -
353 -
354 -== 2.1  How to Compile Source Code for LA66? ==
355 -
356 -
357 -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]]
358 -
359 -
360 -
361 -= 3.  Order Info =
362 -
363 -
364 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
365 -
366 -
367 -(% style="color:blue" %)**XXX**(%%): The default frequency band
368 -
369 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
370 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
371 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
372 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
373 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
374 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
375 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
376 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
377 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
378 -
379 -
380 -
381 -
382 -= 4.  Reference =
383 -
384 -
385 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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