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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.6
edited by Xiaoling
on 2022/08/22 16:23
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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
... ... @@ -74,313 +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  
82 -[[image:image-20220813183239-3.png||height="526" width="662"]]
57 +== Dimension ==
83 83  
59 +[[image:image-20220517072526-1.png]]
84 84  
85 85  
86 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
62 +== Pin Mapping ==
87 87  
64 +[[image:image-20220523101537-1.png]]
88 88  
89 -(((
90 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
91 -)))
66 +== Land Pattern ==
92 92  
68 +[[image:image-20220517072821-2.png]]
93 93  
94 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
95 95  
71 +== Order Info ==
96 96  
97 -[[image:image-20220723100027-1.png]]
73 +Part Number: **LA66-XXX**
98 98  
75 +**XX**: The default frequency band
99 99  
100 -Open the serial port tool
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
101 101  
102 -[[image:image-20220602161617-8.png]]
103 103  
104 -[[image:image-20220602161718-9.png||height="457" width="800"]]
88 += LA66 LoRaWAN Shield =
105 105  
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 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
109 109  
110 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
95 +== Features ==
111 111  
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
112 112  
113 -[[image:image-20220602161935-10.png||height="498" width="800"]]
108 +== Specification ==
114 114  
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
115 115  
128 +== Pin Mapping & LED ==
116 116  
117 -(% style="color:blue" %)**3. See Uplink Command**
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
119 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
121 -example: AT+SENDB=01,02,8,05820802581ea0a5
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 122  
123 -[[image:image-20220602162157-11.png||height="497" width="800"]]
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
124 124  
138 +=== what needs to be used ===
125 125  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
127 -(% style="color:blue" %)**4. Check to see if TTN received the message**
142 +2.Arduino
128 128  
144 +3.USB TO TTL
129 129  
146 +[[image:image-20220602100052-2.png]]
130 130  
131 -[[image:image-20220817093644-1.png]]
148 +=== Wiring Schematic ===
132 132  
150 +[[image:image-20220602101311-3.png]]
133 133  
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
154 +GND  >>>>>>>>>>>>GND
136 136  
156 +TXD  >>>>>>>>>>>>TXD
137 137  
138 -**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]]
158 +RXD  >>>>>>>>>>>>RXD
139 139  
140 -(**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]])
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
141 141  
162 +Connect to the PC after connecting the wires
142 142  
143 -(% style="color:red" %)**Preconditions:**
164 +[[image:image-20220602102240-4.png]]
144 144  
145 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
166 +=== Upgrade steps ===
146 146  
147 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
148 148  
170 +[[image:image-20220602102824-5.png]]
149 149  
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
150 150  
151 -(% style="color:blue" %)**Steps for usage:**
174 +[[image:image-20220602104701-12.png]]
152 152  
153 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
176 +==== Open the upgrade application software ====
154 154  
155 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
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/]]
156 156  
180 +[[image:image-20220602103227-6.png]]
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
182 +[[image:image-20220602103357-7.png]]
159 159  
184 +===== Select the COM port corresponding to USB TTL =====
160 160  
186 +[[image:image-20220602103844-8.png]]
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
188 +===== Select the bin file to burn =====
163 163  
190 +[[image:image-20220602104144-9.png]]
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
192 +[[image:image-20220602104251-10.png]]
166 166  
194 +[[image:image-20220602104402-11.png]]
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
196 +===== Click to start the download =====
169 169  
198 +[[image:image-20220602104923-13.png]]
170 170  
171 -[[image:image-20220723100439-2.png]]
200 +===== The following figure appears to prove that the burning is in progress =====
172 172  
202 +[[image:image-20220602104948-14.png]]
173 173  
204 +===== The following picture appears to prove that the burning is successful =====
174 174  
175 -(% style="color:blue" %)**2. Install Minicom in RPi.**
206 +[[image:image-20220602105251-15.png]]
176 176  
208 +(% class="wikigeneratedid" %)
209 += =
177 177  
178 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
211 +== Order Info ==
179 179  
180 - (% style="background-color:yellow" %)**apt update**
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
181 181  
182 - (% style="background-color:yellow" %)**apt install minicom**
215 +**XX**: The default frequency band
183 183  
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
184 184  
185 -Use minicom to connect to the RPI's terminal
186 186  
187 -[[image:image-20220602153146-3.png||height="439" width="500"]]
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
188 188  
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
189 189  
190 190  
191 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
192 192  
193 193  
194 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
195 195  
238 += LA66 USB LoRaWAN Adapter =
196 196  
197 -[[image:image-20220602154928-5.png||height="436" width="500"]]
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.
198 198  
242 +Before use, please make sure that the computer has installed the CP2102 driver
199 199  
244 +== Pin Mapping & LED ==
200 200  
201 -(% style="color:blue" %)**4. Send Uplink message**
246 +== Example Send & Get Messages via LoRaWAN in PC ==
202 202  
248 +Connect the LA66 LoRa Shield to the PC
203 203  
204 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
205 205  
206 -example: AT+SENDB=01,02,8,05820802581ea0a5
252 +Open the serial port tool
207 207  
254 +[[image:image-20220602161617-8.png]]
208 208  
209 -[[image:image-20220602160339-6.png||height="517" width="600"]]
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
210 210  
258 +Press the reset switch RST on the LA66 LoRa Shield.
211 211  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
212 212  
213 -Check to see if TTN received the message
262 +[[image:image-20220602161935-10.png]]
214 214  
215 -[[image:image-20220602160627-7.png||height="369" width="800"]]
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
216 216  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
217 217  
268 +[[image:image-20220602162157-11.png]]
218 218  
219 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
270 +Check to see if TTN received the message
220 220  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
221 221  
222 -=== 1.8.1  Hardware and Software Connection ===
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
223 223  
276 +Connect the LA66 LoRa Shield to the RPI
224 224  
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
225 225  
226 -==== (% style="color:blue" %)**Overview：**(%%) ====
280 +Log in to the RPI's terminal and connect to the serial port
227 227  
282 +[[image:image-20220602153146-3.png]]
228 228  
229 -(((
230 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
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
231 231  
232 -* Send real-time location information of mobile phone to LoRaWAN network.
233 -* Check LoRaWAN network signal strengh.
234 -* Manually send messages to LoRaWAN network.
235 -)))
287 +[[image:image-20220602154928-5.png]]
236 236  
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
237 237  
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
238 238  
293 +[[image:image-20220602160339-6.png]]
239 239  
240 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
295 +Check to see if TTN received the message
241 241  
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
242 242  
243 -A USB to Type-C adapter is needed to connect to a Mobile phone.
299 +=== Install Minicom ===
244 244  
245 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
301 +Enter the following command in the RPI terminal
246 246  
247 -[[image:image-20220813174353-2.png||height="360" width="313"]]
303 +apt update
248 248  
305 +[[image:image-20220602143155-1.png]]
249 249  
307 +apt install minicom
250 250  
251 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
309 +[[image:image-20220602143744-2.png]]
252 252  
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
253 253  
254 -[[(% 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)
313 +==== Take python as an example： ====
255 255  
256 -[[image:image-20220813173738-1.png]]
315 +===== Preconditions: =====
257 257  
317 +1.LA66 USB LoRaWAN Adapter works fine
258 258  
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
259 259  
260 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
321 +===== Steps for usage =====
261 261  
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
262 262  
263 -Function and page introduction
325 +2.Run the script and see the TTN
264 264  
327 +[[image:image-20220602115852-3.png]]
265 265  
266 -[[image:image-20220723113448-7.png||height="995" width="450"]]
267 267  
268 -**Block Explain:**
269 269  
270 -1.  Display LA66 USB LoRaWAN Module connection status
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
271 271  
272 -2.  Check and reconnect
273 273  
274 -3.  Turn send timestamps on or off
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
275 275  
276 -4.  Display LoRaWan connection status
277 -
278 -5.  Check LoRaWan connection status
279 -
280 -6.  The RSSI value of the node when the ACK is received
281 -
282 -7.  Node's Signal Strength Icon
283 -
284 -8.  Configure Location Uplink Interval
285 -
286 -9.  AT command input box
287 -
288 -10.  Send Button:  Send input box info to LA66 USB Adapter
289 -
290 -11.  Output Log from LA66 USB adapter
291 -
292 -12.  clear log button
293 -
294 -13.  exit button
295 -
296 -
297 -
298 -LA66 USB LoRaWAN Module not connected
299 -
300 -
301 -[[image:image-20220723110520-5.png||height="677" width="508"]]
302 -
303 -
304 -
305 -Connect LA66 USB LoRaWAN Module
306 -
307 -[[image:image-20220723110626-6.png||height="681" width="511"]]
308 -
309 -
310 -
311 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
312 -
313 -
314 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
315 -
316 -
317 -[[image:image-20220723134549-8.png]]
318 -
319 -
320 -
321 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
322 -
323 -
324 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
325 -
326 -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/]]
327 -
328 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
329 -
330 -
331 -Example output in NodeRed is as below:
332 -
333 -[[image:image-20220723144339-1.png]]
334 -
335 -
336 -
337 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
338 -
339 -
340 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
341 -
342 -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)
343 -
344 -
345 -[[image:image-20220723150132-2.png]]
346 -
347 -
348 -
349 -= 2.  FAQ =
350 -
351 -
352 -== 2.1  How to Compile Source Code for LA66? ==
353 -
354 -
355 -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]]
356 -
357 -
358 -
359 -= 3.  Order Info =
360 -
361 -
362 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
363 -
364 -
365 -(% style="color:blue" %)**XXX**(%%): The default frequency band
366 -
367 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
368 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
369 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
370 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
371 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
372 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
373 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
374 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
375 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
376 -
377 -
378 -
379 -
380 -= 4.  Reference =
381 -
382 -
383 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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