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Last modified by Xiaoling on 2025/02/07 16:37
From version 149.5
edited by Xiaoling
on 2022/08/17 10:01
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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 -
60 -== 1.3  Specification ==
61 -
62 -
63 63  * CPU: 32-bit 48 MHz
64 64  * Flash: 256KB
65 65  * RAM: 64KB
66 -* Input Power Range: 5v
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
67 67  * Frequency Range: 150 MHz ~~ 960 MHz
68 68  * Maximum Power +22 dBm constant RF output
69 69  * High sensitivity: -148 dBm
... ... @@ -75,297 +75,290 @@
75 75  ** Operating: 10 ~~ 95% (Non-Condensing)
76 76  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
77 77  * LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
78 78  
52 +== AT Command ==
79 79  
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.
80 80  
81 81  
82 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
83 83  
84 -[[image:image-20220813183239-3.png||height="526" width="662"]]
59 +[[image:image-20220517072526-1.png]]
85 85  
86 86  
62 +== Pin Mapping ==
87 87  
88 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
64 +[[image:image-20220523101537-1.png]]
89 89  
66 +== Land Pattern ==
90 90  
91 -(((
92 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
93 -)))
68 +[[image:image-20220517072821-2.png]]
94 94  
95 95  
96 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
71 +== Order Info ==
97 97  
73 +Part Number: **LA66-XXX**
98 98  
99 -[[image:image-20220723100027-1.png]]
75 +**XX**: The default frequency band
100 100  
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 -Open the serial port tool
103 103  
104 -[[image:image-20220602161617-8.png]]
88 += LA66 LoRaWAN Shield =
105 105  
106 -[[image:image-20220602161718-9.png||height="457" width="800"]]
90 +== Overview ==
107 107  
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.
108 108  
109 109  
110 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
95 +== Features ==
111 111  
112 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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
113 113  
108 +== Specification ==
114 114  
115 -[[image:image-20220602161935-10.png||height="498" width="800"]]
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
116 116  
128 +== Pin Mapping & LED ==
117 117  
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
119 -(% style="color:blue" %)**3. See Uplink Command**
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
121 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 122  
123 -example: AT+SENDB=01,02,8,05820802581ea0a5
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
124 124  
125 -[[image:image-20220602162157-11.png||height="497" width="800"]]
138 +=== what needs to be used ===
126 126  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
127 127  
142 +2.Arduino
128 128  
129 -(% style="color:blue" %)**4. Check to see if TTN received the message**
144 +3.USB TO TTL
130 130  
146 +[[image:image-20220602100052-2.png]]
131 131  
148 +=== Wiring Schematic ===
132 132  
133 -[[image:image-20220817093644-1.png]]
150 +[[image:image-20220602101311-3.png]]
134 134  
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
135 135  
154 +GND  >>>>>>>>>>>>GND
136 136  
137 -== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
156 +TXD  >>>>>>>>>>>>TXD
138 138  
158 +RXD  >>>>>>>>>>>>RXD
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]]
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
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]])
162 +Connect to the PC after connecting the wires
143 143  
144 -(% style="color:red" %)**Preconditions:**
164 +[[image:image-20220602102240-4.png]]
145 145  
146 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
166 +=== Upgrade steps ===
147 147  
148 -(% 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 ====
149 149  
170 +[[image:image-20220602102824-5.png]]
150 150  
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
151 151  
152 -(% style="color:blue" %)**Steps for usage:**
174 +[[image:image-20220602104701-12.png]]
153 153  
154 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
176 +==== Open the upgrade application software ====
155 155  
156 -(% 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/]]
157 157  
158 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
180 +[[image:image-20220602103227-6.png]]
159 159  
182 +[[image:image-20220602103357-7.png]]
160 160  
184 +===== Select the COM port corresponding to USB TTL =====
161 161  
162 -== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
186 +[[image:image-20220602103844-8.png]]
163 163  
188 +===== Select the bin file to burn =====
164 164  
165 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
190 +[[image:image-20220602104144-9.png]]
166 166  
192 +[[image:image-20220602104251-10.png]]
167 167  
168 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
194 +[[image:image-20220602104402-11.png]]
169 169  
170 -[[image:image-20220723100439-2.png]]
196 +===== Click to start the download =====
171 171  
198 +[[image:image-20220602104923-13.png]]
172 172  
200 +===== The following figure appears to prove that the burning is in progress =====
173 173  
174 -(% style="color:blue" %)**2. Install Minicom in RPi.**
202 +[[image:image-20220602104948-14.png]]
175 175  
176 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
204 +===== The following picture appears to prove that the burning is successful =====
177 177  
178 - (% style="background-color:yellow" %)**apt update**
206 +[[image:image-20220602105251-15.png]]
179 179  
180 - (% style="background-color:yellow" %)**apt install minicom**
208 +(% class="wikigeneratedid" %)
209 += =
181 181  
211 +== Order Info ==
182 182  
183 -Use minicom to connect to the RPI's terminal
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
184 184  
185 -[[image:image-20220602153146-3.png||height="439" width="500"]]
215 +**XX**: The default frequency band
186 186  
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
187 187  
188 188  
189 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
190 190  
191 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
192 192  
193 193  
194 -[[image:image-20220602154928-5.png||height="436" width="500"]]
195 195  
196 196  
197 197  
198 -(% style="color:blue" %)**4. Send Uplink message**
238 += LA66 USB LoRaWAN Adapter =
199 199  
200 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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.
201 201  
202 -example: AT+SENDB=01,02,8,05820802581ea0a5
242 +Before use, please make sure that the computer has installed the CP2102 driver
203 203  
244 +== Pin Mapping & LED ==
204 204  
205 -[[image:image-20220602160339-6.png||height="517" width="600"]]
246 +== Example Send & Get Messages via LoRaWAN in PC ==
206 206  
248 +Connect the LA66 LoRa Shield to the PC
207 207  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
208 208  
209 -Check to see if TTN received the message
252 +Open the serial port tool
210 210  
211 -[[image:image-20220602160627-7.png||height="369" width="800"]]
254 +[[image:image-20220602161617-8.png]]
212 212  
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
213 213  
258 +Press the reset switch RST on the LA66 LoRa Shield.
214 214  
215 -== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
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 -=== 1.8.1  Hardware and Software Connection ===
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
219 219  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
268 +[[image:image-20220602162157-11.png]]
221 221  
222 -==== (% style="color:blue" %)**Overview：**(%%) ====
270 +Check to see if TTN received the message
223 223  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
224 224  
225 -(((
226 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
227 227  
228 -* Send real-time location information of mobile phone to LoRaWAN network.
229 -* Check LoRaWAN network signal strengh.
230 -* Manually send messages to LoRaWAN network.
231 -)))
276 +Connect the LA66 LoRa Shield to the RPI
232 232  
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
233 233  
280 +Log in to the RPI's terminal and connect to the serial port
234 234  
282 +[[image:image-20220602153146-3.png]]
235 235  
236 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
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
237 237  
238 -A USB to Type-C adapter is needed to connect to a Mobile phone.
287 +[[image:image-20220602154928-5.png]]
239 239  
240 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
241 241  
242 -[[image:image-20220813174353-2.png||height="360" width="313"]]
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
243 243  
293 +[[image:image-20220602160339-6.png]]
244 244  
295 +Check to see if TTN received the message
245 245  
246 -==== (% style="color:blue" %)**Download and Install App:**(%%) ====
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
247 247  
248 -[[(% 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)
299 +=== Install Minicom ===
249 249  
250 -[[image:image-20220813173738-1.png]]
301 +Enter the following command in the RPI terminal
251 251  
303 +apt update
252 252  
305 +[[image:image-20220602143155-1.png]]
253 253  
254 -==== (% style="color:blue" %)**Use of APP:**(%%) ====
307 +apt install minicom
255 255  
256 -Function and page introduction
309 +[[image:image-20220602143744-2.png]]
257 257  
258 -[[image:image-20220723113448-7.png||height="995" width="450"]]
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
259 259  
260 -**Block Explain:**
313 +==== Take python as an example： ====
261 261  
262 -1.  Display LA66 USB LoRaWAN Module connection status
315 +===== Preconditions: =====
263 263  
264 -2.  Check and reconnect
317 +1.LA66 USB LoRaWAN Adapter works fine
265 265  
266 -3.  Turn send timestamps on or off
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
267 267  
268 -4.  Display LoRaWan connection status
321 +===== Steps for usage =====
269 269  
270 -5.  Check LoRaWan connection status
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
271 271  
272 -6.  The RSSI value of the node when the ACK is received
325 +2.Run the script and see the TTN
273 273  
274 -7.  Node's Signal Strength Icon
327 +[[image:image-20220602115852-3.png]]
275 275  
276 -8.  Configure Location Uplink Interval
277 277  
278 -9.  AT command input box
279 279  
280 -10.  Send Button:  Send input box info to LA66 USB Adapter
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
281 281  
282 -11.  Output Log from LA66 USB adapter
283 283  
284 -12.  clear log button
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
285 285  
286 -13.  exit button
287 -
288 -
289 -LA66 USB LoRaWAN Module not connected
290 -
291 -[[image:image-20220723110520-5.png||height="677" width="508"]]
292 -
293 -
294 -
295 -Connect LA66 USB LoRaWAN Module
296 -
297 -[[image:image-20220723110626-6.png||height="681" width="511"]]
298 -
299 -
300 -
301 -=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
302 -
303 -
304 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
305 -
306 -[[image:image-20220723134549-8.png]]
307 -
308 -
309 -
310 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
311 -
312 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
313 -
314 -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/]]
315 -
316 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
317 -
318 -
319 -Example output in NodeRed is as below:
320 -
321 -[[image:image-20220723144339-1.png]]
322 -
323 -
324 -
325 -== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
326 -
327 -
328 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
329 -
330 -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)
331 -
332 -
333 -[[image:image-20220723150132-2.png]]
334 -
335 -
336 -
337 -= 2.  FAQ =
338 -
339 -
340 -== 2.1  How to Compile Source Code for LA66? ==
341 -
342 -
343 -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]]
344 -
345 -
346 -
347 -= 3.  Order Info =
348 -
349 -
350 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
351 -
352 -
353 -(% style="color:blue" %)**XXX**(%%): The default frequency band
354 -
355 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
356 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
357 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
358 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
359 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
360 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
361 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
362 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
363 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
364 -
365 -
366 -
367 -
368 -= 4.  Reference =
369 -
370 -
371 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
336 +
image-20220715000242-1.png
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