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Last modified by Xiaoling on 2025/02/07 16:37
From version 148.2
edited by Xiaoling
on 2022/08/17 08:46
Change comment: There is no comment for this version
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
... ... @@ -74,292 +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  
129 -[[image:image-20220817084532-1.jpeg||height="563" width="1076"]]
144 +3.USB TO TTL
130 130  
146 +[[image:image-20220602100052-2.png]]
131 131  
148 +=== Wiring Schematic ===
132 132  
133 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
150 +[[image:image-20220602101311-3.png]]
134 134  
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
135 135  
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]]
154 +GND  >>>>>>>>>>>>GND
137 137  
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]])
156 +TXD  >>>>>>>>>>>>TXD
139 139  
140 -(% style="color:red" %)**Preconditions:**
158 +RXD  >>>>>>>>>>>>RXD
141 141  
142 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
143 143  
144 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
162 +Connect to the PC after connecting the wires
145 145  
164 +[[image:image-20220602102240-4.png]]
146 146  
166 +=== Upgrade steps ===
147 147  
148 -(% style="color:blue" %)**Steps for usage:**
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
149 149  
150 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
170 +[[image:image-20220602102824-5.png]]
151 151  
152 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
153 153  
154 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
174 +[[image:image-20220602104701-12.png]]
155 155  
176 +==== Open the upgrade application software ====
156 156  
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/]]
157 157  
158 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
180 +[[image:image-20220602103227-6.png]]
159 159  
182 +[[image:image-20220602103357-7.png]]
160 160  
161 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
184 +===== Select the COM port corresponding to USB TTL =====
162 162  
186 +[[image:image-20220602103844-8.png]]
163 163  
164 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
188 +===== Select the bin file to burn =====
165 165  
166 -[[image:image-20220723100439-2.png]]
190 +[[image:image-20220602104144-9.png]]
167 167  
192 +[[image:image-20220602104251-10.png]]
168 168  
194 +[[image:image-20220602104402-11.png]]
169 169  
170 -(% style="color:blue" %)**2. Install Minicom in RPi.**
196 +===== Click to start the download =====
171 171  
172 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
198 +[[image:image-20220602104923-13.png]]
173 173  
174 - (% style="background-color:yellow" %)**apt update**
200 +===== The following figure appears to prove that the burning is in progress =====
175 175  
176 - (% style="background-color:yellow" %)**apt install minicom**
202 +[[image:image-20220602104948-14.png]]
177 177  
204 +===== The following picture appears to prove that the burning is successful =====
178 178  
179 -Use minicom to connect to the RPI's terminal
206 +[[image:image-20220602105251-15.png]]
180 180  
181 -[[image:image-20220602153146-3.png||height="439" width="500"]]
208 +(% class="wikigeneratedid" %)
209 += =
182 182  
211 +== Order Info ==
183 183  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
184 184  
185 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
215 +**XX**: The default frequency band
186 186  
187 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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
188 188  
189 189  
190 -[[image:image-20220602154928-5.png||height="436" width="500"]]
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
191 191  
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
192 192  
193 193  
194 -(% style="color:blue" %)**4. Send Uplink message**
195 195  
196 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
197 197  
198 -example: AT+SENDB=01,02,8,05820802581ea0a5
199 199  
238 += LA66 USB LoRaWAN Adapter =
200 200  
201 -[[image:image-20220602160339-6.png||height="517" width="600"]]
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.
202 202  
242 +Before use, please make sure that the computer has installed the CP2102 driver
203 203  
244 +== Pin Mapping & LED ==
204 204  
205 -Check to see if TTN received the message
246 +== Example Send & Get Messages via LoRaWAN in PC ==
206 206  
207 -[[image:image-20220602160627-7.png||height="369" width="800"]]
248 +Connect the LA66 LoRa Shield to the PC
208 208  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
209 209  
252 +Open the serial port tool
210 210  
211 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
254 +[[image:image-20220602161617-8.png]]
212 212  
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
213 213  
214 -=== 1.8.1  Hardware and Software Connection ===
258 +Press the reset switch RST on the LA66 LoRa Shield.
215 215  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
216 216  
262 +[[image:image-20220602161935-10.png]]
217 217  
218 -==== (% style="color:blue" %)**Overview：**(%%) ====
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
221 -(((
222 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
268 +[[image:image-20220602162157-11.png]]
223 223  
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 -)))
270 +Check to see if TTN received the message
228 228  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
229 229  
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
230 230  
276 +Connect the LA66 LoRa Shield to the RPI
231 231  
232 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
233 233  
234 -A USB to Type-C adapter is needed to connect to a Mobile phone.
280 +Log in to the RPI's terminal and connect to the serial port
235 235  
236 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
282 +[[image:image-20220602153146-3.png]]
237 237  
238 -[[image:image-20220813174353-2.png||height="360" width="313"]]
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
239 239  
287 +[[image:image-20220602154928-5.png]]
240 240  
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
241 241  
242 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
243 243  
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)
293 +[[image:image-20220602160339-6.png]]
245 245  
246 -[[image:image-20220813173738-1.png]]
295 +Check to see if TTN received the message
247 247  
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
248 248  
299 +=== Install Minicom ===
249 249  
250 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
301 +Enter the following command in the RPI terminal
251 251  
252 -Function and page introduction
303 +apt update
253 253  
254 -[[image:image-20220723113448-7.png||height="995" width="450"]]
305 +[[image:image-20220602143155-1.png]]
255 255  
256 -**Block Explain:**
307 +apt install minicom
257 257  
258 -1.  Display LA66 USB LoRaWAN Module connection status
309 +[[image:image-20220602143744-2.png]]
259 259  
260 -2.  Check and reconnect
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
261 261  
262 -3.  Turn send timestamps on or off
313 +==== Take python as an example： ====
263 263  
264 -4.  Display LoRaWan connection status
315 +===== Preconditions: =====
265 265  
266 -5.  Check LoRaWan connection status
317 +1.LA66 USB LoRaWAN Adapter works fine
267 267  
268 -6.  The RSSI value of the node when the ACK is received
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
269 269  
270 -7.  Node's Signal Strength Icon
321 +===== Steps for usage =====
271 271  
272 -8.  Configure Location Uplink Interval
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
273 273  
274 -9.  AT command input box
325 +2.Run the script and see the TTN
275 275  
276 -10.  Send Button:  Send input box info to LA66 USB Adapter
327 +[[image:image-20220602115852-3.png]]
277 277  
278 -11.  Output Log from LA66 USB adapter
279 279  
280 -12.  clear log button
281 281  
282 -13.  exit button
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
283 283  
284 284  
285 -LA66 USB LoRaWAN Module not connected
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
286 286  
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]]
336 +
image-20220715000242-1.png
Author
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