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Last modified by Xiaoling on 2025/02/07 16:37
From version 180.1
edited by Mengting Qiu
on 2025/01/22 11:22
Change comment: There is no comment for this version
To version 131.1
edited by Herong Lu
on 2022/07/23 17:41
Change comment: There is no comment for this version

Summary

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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.ting
1 +XWiki.Lu
Content
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1 -
1 +0
2 2  
3 3  **Table of Contents:**
4 4  
... ... @@ -6,25 +6,34 @@
6 6  
7 7  
8 8  
9 += 1.  LA66 LoRaWAN Module =
9 9  
10 10  
11 -= 1.  LA66 USB LoRaWAN Adapter =
12 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
15 +(((
16 +(((
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 +)))
15 15  
16 -[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
20 +(((
21 +
22 +)))
17 17  
18 -
19 19  (((
20 -(% 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.
25 +(% 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.
21 21  )))
27 +)))
22 22  
23 23  (((
30 +(((
24 24  (% 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.
25 25  )))
33 +)))
26 26  
27 27  (((
36 +(((
28 28  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29 29  )))
30 30  
... ... @@ -31,34 +31,35 @@
31 31  (((
32 32  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.
33 33  )))
43 +)))
34 34  
35 35  (((
46 +(((
36 36  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37 37  )))
49 +)))
38 38  
39 39  
52 +
40 40  == 1.2  Features ==
41 41  
42 -
43 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
44 -* Ultra-long RF range
45 -* Support LoRaWAN v1.0.3 protocol
55 +* Support LoRaWAN v1.0.4 protocol
46 46  * Support peer-to-peer protocol
47 47  * TCXO crystal to ensure RF performance on low temperature
48 -* Spring RF antenna
58 +* SMD Antenna pad and i-pex antenna connector
49 49  * Available in different frequency LoRaWAN frequency bands.
50 50  * World-wide unique OTAA keys.
51 51  * AT Command via UART-TTL interface
52 52  * Firmware upgradable via UART interface
53 -* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
63 +* Ultra-long RF range
54 54  
55 55  == 1.3  Specification ==
56 56  
57 -
58 58  * CPU: 32-bit 48 MHz
59 59  * Flash: 256KB
60 60  * RAM: 64KB
61 -* Input Power Range: 5v
70 +* Input Power Range: 1.8v ~~ 3.7v
71 +* Power Consumption: < 4uA.
62 62  * Frequency Range: 150 MHz ~~ 960 MHz
63 63  * Maximum Power +22 dBm constant RF output
64 64  * High sensitivity: -148 dBm
... ... @@ -70,459 +70,567 @@
70 70  ** Operating: 10 ~~ 95% (Non-Condensing)
71 71  * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72 72  * LoRa Rx current: <9 mA
83 +* I/O Voltage: 3.3v
73 73  
74 -== 1.4  Pin Mapping & LED ==
85 +== 1.4  AT Command ==
75 75  
76 76  
77 -[[image:image-20220813183239-3.png||height="526" width="662"]]
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
78 78  
79 79  
80 -== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
81 81  
92 +== 1.5  Dimension ==
82 82  
94 +[[image:image-20220718094750-3.png]]
95 +
96 +
97 +
98 +== 1.6  Pin Mapping ==
99 +
100 +[[image:image-20220720111850-1.png]]
101 +
102 +
103 +
104 +== 1.7  Land Pattern ==
105 +
106 +[[image:image-20220517072821-2.png]]
107 +
108 +
109 +
110 += 2.  LA66 LoRaWAN Shield =
111 +
112 +
113 +== 2.1  Overview ==
114 +
115 +
83 83  (((
84 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
117 +[[image:image-20220715000826-2.png||height="145" width="220"]]
85 85  )))
86 86  
87 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
120 +(((
121 +
122 +)))
88 88  
89 -[[image:image-20220723100027-1.png]]
124 +(((
125 +(% style="color:blue" %)**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.
126 +)))
90 90  
128 +(((
129 +(((
130 +(% 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.
131 +)))
132 +)))
91 91  
92 -Open the serial port tool
134 +(((
135 +(((
136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
137 +)))
138 +)))
93 93  
94 -[[image:image-20220602161617-8.png]]
140 +(((
141 +(((
142 +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.
143 +)))
144 +)))
95 95  
146 +(((
147 +(((
148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
149 +)))
150 +)))
96 96  
97 -[[image:image-20220602161718-9.png||height="457" width="800"]]
98 98  
99 99  
100 -(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
154 +== 2.2  Features ==
101 101  
102 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
156 +* Arduino Shield base on LA66 LoRaWAN module
157 +* Support LoRaWAN v1.0.4 protocol
158 +* Support peer-to-peer protocol
159 +* TCXO crystal to ensure RF performance on low temperature
160 +* SMA connector
161 +* Available in different frequency LoRaWAN frequency bands.
162 +* World-wide unique OTAA keys.
163 +* AT Command via UART-TTL interface
164 +* Firmware upgradable via UART interface
165 +* Ultra-long RF range
103 103  
104 -[[image:image-20220602161935-10.png||height="498" width="800"]]
167 +== 2.3  Specification ==
105 105  
169 +* CPU: 32-bit 48 MHz
170 +* Flash: 256KB
171 +* RAM: 64KB
172 +* Input Power Range: 1.8v ~~ 3.7v
173 +* Power Consumption: < 4uA.
174 +* Frequency Range: 150 MHz ~~ 960 MHz
175 +* Maximum Power +22 dBm constant RF output
176 +* High sensitivity: -148 dBm
177 +* Temperature:
178 +** Storage: -55 ~~ +125℃
179 +** Operating: -40 ~~ +85℃
180 +* Humidity:
181 +** Storage: 5 ~~ 95% (Non-Condensing)
182 +** Operating: 10 ~~ 95% (Non-Condensing)
183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
184 +* LoRa Rx current: <9 mA
185 +* I/O Voltage: 3.3v
106 106  
107 -(% style="color:blue" %)**3.  See Uplink Command**
187 +== 2.4  LED ==
108 108  
109 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
189 +~1. The LED lights up red when there is an upstream data packet
190 +2. When the network is successfully connected, the green light will be on for 5 seconds
191 +3. Purple light on when receiving downlink data packets
110 110  
111 -example: AT+SENDB=01,02,8,05820802581ea0a5
112 112  
113 -[[image:image-20220602162157-11.png||height="497" width="800"]]
194 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114 114  
196 +Show connection diagram：
115 115  
116 -(% style="color:blue" %)**4.  Check to see if TTN received the message**
198 +[[image:image-20220723170210-2.png||height="908" width="681"]]
117 117  
118 -[[image:image-20220817093644-1.png]]
200 +1.open Arduino IDE
119 119  
202 +[[image:image-20220723170545-4.png]]
120 120  
121 -== 1.6  Example: How to join helium ==
204 +2.Open project
122 122  
206 +[[image:image-20220723170750-5.png||height="533" width="930"]]
123 123  
124 -(% style="color:blue" %)**1.  Create a new device.**
208 +3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
125 125  
126 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
210 +[[image:image-20220723171228-6.png]]
127 127  
212 +4.After the upload is successful, open the serial port monitoring and send the AT command
128 128  
129 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
214 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
130 130  
131 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
216 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
132 132  
218 +1.Open project
133 133  
134 -(% style="color:blue" %)**3.  Use AT commands.**
220 +[[image:image-20220723172502-8.png]]
135 135  
136 -[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
222 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
137 137  
224 +[[image:image-20220723172938-9.png||height="652" width="1050"]]
138 138  
139 -(% style="color:blue" %)**4.  Use the serial port tool**
140 140  
141 -[[image:image-20220909151517-2.png||height="543" width="708"]]
227 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
142 142  
229 +1.Open project
143 143  
144 -(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
231 +[[image:image-20220723173341-10.png||height="581" width="1014"]]
145 145  
146 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
233 +2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
147 147  
235 +[[image:image-20220723173950-11.png||height="665" width="1012"]]
148 148  
149 -(% style="color:blue" %)**6.  Network successfully.**
150 150  
151 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
238 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
152 152  
153 153  
154 -(% style="color:blue" %)**7.  Send uplink using command**
241 +=== 2.8.1  Items needed for update ===
155 155  
156 -[[image:image-20220912085244-1.png]]
243 +1. LA66 LoRaWAN Shield
244 +1. Arduino
245 +1. USB TO TTL Adapter
157 157  
158 -[[image:image-20220912085307-2.png]]
247 +[[image:image-20220602100052-2.png||height="385" width="600"]]
159 159  
160 160  
161 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
250 +=== 2.8.2  Connection ===
162 162  
163 163  
164 -== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
253 +[[image:image-20220602101311-3.png||height="276" width="600"]]
165 165  
166 166  
167 -**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]]
256 +(((
257 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
258 +)))
168 168  
169 -(**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]])
260 +(((
261 +(% style="background-color:yellow" %)**GND  <-> GND
262 +TXD  <->  TXD
263 +RXD  <->  RXD**
264 +)))
170 170  
171 171  
172 -(% style="color:red" %)**Preconditions:**
267 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
173 173  
174 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
269 +Connect USB TTL Adapter to PC after connecting the wires
175 175  
176 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
177 177  
272 +[[image:image-20220602102240-4.png||height="304" width="600"]]
178 178  
179 -(% style="color:blue" %)**Steps for usage:**
180 180  
181 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
275 +=== 2.8.3  Upgrade steps ===
182 182  
183 -(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
184 184  
185 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
278 +==== 1.  Switch SW1 to put in ISP position ====
186 186  
187 187  
188 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
281 +[[image:image-20220602102824-5.png||height="306" width="600"]]
189 189  
190 190  
191 -== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
192 192  
285 +==== 2.  Press the RST switch once ====
193 193  
194 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
195 195  
196 -(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
288 +[[image:image-20220602104701-12.png||height="285" width="600"]]
197 197  
198 -[[image:image-20220723100439-2.png]]
199 199  
200 200  
201 -(% style="color:blue" %)**2.  Install Minicom in RPi.**
292 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
202 202  
203 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
204 204  
205 - (% style="background-color:yellow" %)**apt update**
295 +(((
296 +(% style="color:blue" %)**1. 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/]]**
297 +)))
206 206  
207 - (% style="background-color:yellow" %)**apt install minicom**
208 208  
209 -Use minicom to connect to the RPI's terminal
300 +[[image:image-20220602103227-6.png]]
210 210  
211 -[[image:image-20220602153146-3.png||height="439" width="500"]]
212 212  
303 +[[image:image-20220602103357-7.png]]
213 213  
214 -(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
215 215  
216 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
217 217  
218 -[[image:image-20220602154928-5.png||height="436" width="500"]]
307 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
308 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
219 219  
220 220  
221 -(% style="color:blue" %)**4.  Send Uplink message**
311 +[[image:image-20220602103844-8.png]]
222 222  
223 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
224 224  
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
226 226  
227 -[[image:image-20220602160339-6.png||height="517" width="600"]]
315 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
316 +(% style="color:blue" %)**3. Select the bin file to burn**
228 228  
229 229  
230 -Check to see if TTN received the message
319 +[[image:image-20220602104144-9.png]]
231 231  
232 232  
233 -[[image:image-20220602160627-7.png||height="369" width="800"]]
322 +[[image:image-20220602104251-10.png]]
234 234  
235 235  
236 -== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
325 +[[image:image-20220602104402-11.png]]
237 237  
238 -=== 1.9.1  Hardware and Software Connection ===
239 239  
240 240  
241 -(% class="wikigeneratedid" id="HOverviewFF1A" %)
242 -(% style="color:blue" %)**Overview：**
329 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
330 +(% style="color:blue" %)**4. Click to start the download**
243 243  
244 -(((
245 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
332 +[[image:image-20220602104923-13.png]]
246 246  
247 -* Send real-time location information of mobile phone to LoRaWAN network.
248 -* Check LoRaWAN network signal strengh.
249 -* Manually send messages to LoRaWAN network.
250 -)))
251 251  
252 252  
336 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
337 +(% style="color:blue" %)**5. Check update process**
253 253  
254 -(% class="wikigeneratedid" id="HHardwareConnection:" %)
255 -(% style="color:blue" %)**Hardware Connection:**
256 256  
257 -A USB to Type-C adapter is needed to connect to a Mobile phone.
340 +[[image:image-20220602104948-14.png]]
258 258  
259 -(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
260 260  
261 -[[image:image-20220813174353-2.png||height="360" width="313"]]
262 262  
344 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
345 +(% style="color:blue" %)**The following picture shows that the burning is successful**
263 263  
264 -(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265 -(% style="color:blue" %)**Download and Install App:**
347 +[[image:image-20220602105251-15.png]]
266 266  
267 -[[(% 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)
268 268  
269 -[[image:image-20220813173738-1.png]]
270 270  
351 += 3.  LA66 USB LoRaWAN Adapter =
271 271  
272 -(% class="wikigeneratedid" id="HUseofAPP:" %)
273 -(% style="color:blue" %)**Use of APP:**
274 274  
275 -Function and page introduction:
354 +== 3.1  Overview ==
276 276  
277 -[[image:image-20220723113448-7.png||height="911" width="412"]]
278 278  
357 +[[image:image-20220715001142-3.png||height="145" width="220"]]
279 279  
280 -(% style="color:blue" %)**Block Explain:**
281 281  
282 -1.  Display LA66 USB LoRaWAN Module connection status
360 +(((
361 +(% 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.
362 +)))
283 283  
284 -2.  Check and reconnect
364 +(((
365 +(% 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.
366 +)))
285 285  
286 -3.  Turn send timestamps on or off
368 +(((
369 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
370 +)))
287 287  
288 -4.  Display LoRaWan connection status
372 +(((
373 +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.
374 +)))
289 289  
290 -5.  Check LoRaWan connection status
376 +(((
377 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
378 +)))
291 291  
292 -6.  The RSSI value of the node when the ACK is received
293 293  
294 -7.  Node's Signal Strength Icon
295 295  
296 -8.  Configure Location Uplink Interval
382 +== 3.2  Features ==
297 297  
298 -9.  AT command input box
384 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
385 +* Ultra-long RF range
386 +* Support LoRaWAN v1.0.4 protocol
387 +* Support peer-to-peer protocol
388 +* TCXO crystal to ensure RF performance on low temperature
389 +* Spring RF antenna
390 +* Available in different frequency LoRaWAN frequency bands.
391 +* World-wide unique OTAA keys.
392 +* AT Command via UART-TTL interface
393 +* Firmware upgradable via UART interface
394 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
299 299  
300 -10.  Send Button:  Send input box info to LA66 USB Adapter
396 +== 3.3  Specification ==
301 301  
302 -11.  Output Log from LA66 USB adapter
398 +* CPU: 32-bit 48 MHz
399 +* Flash: 256KB
400 +* RAM: 64KB
401 +* Input Power Range: 5v
402 +* Frequency Range: 150 MHz ~~ 960 MHz
403 +* Maximum Power +22 dBm constant RF output
404 +* High sensitivity: -148 dBm
405 +* Temperature:
406 +** Storage: -55 ~~ +125℃
407 +** Operating: -40 ~~ +85℃
408 +* Humidity:
409 +** Storage: 5 ~~ 95% (Non-Condensing)
410 +** Operating: 10 ~~ 95% (Non-Condensing)
411 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
412 +* LoRa Rx current: <9 mA
303 303  
304 -12.  clear log button
414 +== 3.4  Pin Mapping & LED ==
305 305  
306 -13.  exit button
307 307  
308 308  
309 -LA66 USB LoRaWAN Module not connected:
418 +== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
310 310  
311 -[[image:image-20220723110520-5.png||height="677" width="508"]]
312 312  
421 +(((
422 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
423 +)))
313 313  
314 -Connect LA66 USB LoRaWAN Module:
315 315  
316 -[[image:image-20220723110626-6.png||height="681" width="511"]]
426 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
317 317  
318 318  
319 -=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
429 +[[image:image-20220723100027-1.png]]
320 320  
321 321  
322 -(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
432 +Open the serial port tool
323 323  
324 -[[image:image-20220723134549-8.png]]
434 +[[image:image-20220602161617-8.png]]
325 325  
436 +[[image:image-20220602161718-9.png||height="457" width="800"]]
326 326  
327 -(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
328 328  
329 329  
330 -Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
440 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
331 331  
332 -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/]]
442 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
333 333  
334 -After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
335 335  
336 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
445 +[[image:image-20220602161935-10.png||height="498" width="800"]]
337 337  
338 338  
339 -Example output in NodeRed is as below:
340 340  
341 -[[image:image-20220723144339-1.png]]
449 +(% style="color:blue" %)**3. See Uplink Command**
342 342  
451 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
343 343  
344 -== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
453 +example: AT+SENDB=01,02,8,05820802581ea0a5
345 345  
455 +[[image:image-20220602162157-11.png||height="497" width="800"]]
346 346  
347 -=== 1.10.1 Update method: For LA66 with bootloader ===
348 348  
349 349  
350 -* We ship the LA66 USB LoRaWAN Adapter with a boot loader by default, and the latest boot loader is V1.4. Users can download the new version of the boot loader by clicking on this [[link>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
459 +(% style="color:blue" %)**4. Check to see if TTN received the message**
351 351  
352 -[[image:image-20250122110039-1.png||height="335" width="816"]]
461 +[[image:image-20220602162331-12.png||height="420" width="800"]]
353 353  
354 -(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
355 355  
356 356  
357 -* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
465 +== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
358 358  
359 -So if your LA66 doesn't need this feature, you can also just follow the below to upgrade the firmware instead of the bootloader:
360 360  
361 -**Firmware download（Please select withbootloader version）:**
468 +**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]]
362 362  
363 -[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
470 +(**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]])
364 364  
472 +(% style="color:red" %)**Preconditions:**
365 365  
366 -**Firmware update method:**
474 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
367 367  
368 -Please refer to this link
476 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
369 369  
370 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]]
371 371  
372 372  
373 -=== 1.10.2 Update method: For LA66 without bootloader ===
480 +(% style="color:blue" %)**Steps for usage:**
374 374  
482 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
375 375  
376 -* Explanation:
484 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
377 377  
378 -For LA66 without a bootloader, we can only burn a bootloader for it in the following way. Because using OTA_Tool to upgrade the firmware of LA66 this address is (% style="color:blue" %)**0x0800D000**(%%) by default, but our bootloader needs to be burned at address .
486 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
379 379  
380 -Therefore, you can use this method to download the firmware with the boot loader directly or upgrade your boot loader (address from (% style="color:blue" %)**0x08000000**(%%)).
381 381  
382 -**Firmware download（Download firmware with bootloader）:**
383 383  
384 -[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
490 +== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
385 385  
386 -[[image:image-20250122111651-2.png||height="243" width="682"]]
387 387  
493 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
388 388  
389 -* Upgrade Details：
390 390  
391 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
496 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
392 392  
393 -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).
498 +[[image:image-20220723100439-2.png]]
394 394  
395 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
396 396  
397 -[[image:image-20220723150132-2.png||height="514" width="506"]]
398 398  
502 +(% style="color:blue" %)**2. Install Minicom in RPi.**
399 399  
400 -(% style="color:blue" %)**For the LA66 USB LoRaWAN Adapter v1.2, the hardware design has eliminated the reset button, so the first step we need to use the DuPont wire to connect the BOOT pin to the RX pin. Second, connect the LA66 USB LoRaWAN Adapter v1.2 to a USB hub or computer USB port so that it will enter burn mode. Then follow the steps below to burn the firmware.**
504 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
401 401  
402 -(% style="color:red" %)**Note: After the successful burning need to unplug the LA66 USB LoRaWAN Adapter v1.2, and then reconnect the computer interface, so that it will exit the burning mode.**
506 + (% style="background-color:yellow" %)**apt update**
403 403  
404 -[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
508 + (% style="background-color:yellow" %)**apt install minicom**
405 405  
406 406  
407 -(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
408 -(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
511 +Use minicom to connect to the RPI's terminal
409 409  
410 -**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
513 +[[image:image-20220602153146-3.png||height="439" width="500"]]
411 411  
412 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
413 413  
414 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]]
415 415  
517 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
416 416  
417 -**2.  Select the COM port corresponding to USB TTL**
519 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
418 418  
419 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291" width="389"]]
420 420  
522 +[[image:image-20220602154928-5.png||height="436" width="500"]]
421 421  
422 -**3.  Select the bin file to burn**
423 423  
424 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]
425 425  
426 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png" height="330" width="579"]]
526 +(% style="color:blue" %)**4. Send Uplink message**
427 427  
428 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]]
528 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429 429  
530 +example: AT+SENDB=01,02,8,05820802581ea0a5
430 430  
431 -**4.  Click to start the download**
432 432  
433 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png" height="462" width="372"]]
533 +[[image:image-20220602160339-6.png||height="517" width="600"]]
434 434  
435 435  
436 -**5.  Check update process**
437 437  
438 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]]
537 +Check to see if TTN received the message
439 439  
539 +[[image:image-20220602160627-7.png||height="369" width="800"]]
440 440  
441 -**The following picture shows that the burning is successful**
442 442  
443 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]
444 444  
543 +== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
445 445  
446 -= 2.  FAQ =
545 +=== 3.8.1 DRAGINO-LA66-APP ===
447 447  
448 -== 2.1  How to Compile Source Code for LA66? ==
547 +[[image:image-20220723102027-3.png]]
449 449  
549 +==== Overview： ====
450 450  
451 -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]]
551 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
452 452  
553 +View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
453 453  
454 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
555 +==== Conditions of Use： ====
455 455  
557 +Requires a type-c to USB adapter
456 456  
457 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
559 +[[image:image-20220723104754-4.png]]
458 458  
561 +==== Use of APP: ====
459 459  
460 -== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
563 +Function and page introduction
461 461  
565 +[[image:image-20220723113448-7.png||height="1481" width="670"]]
462 462  
463 -Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
567 +1.Display LA66 USB LoRaWAN Module connection status
464 464  
569 +2.Check and reconnect
465 465  
466 -== 2.4 How to use external antenna via ipex connector? ==
571 +3.Turn send timestamps on or off
467 467  
573 +4.Display LoRaWan connection status
468 468  
469 -You need to remove the spring antenna first, and also remove the resistor and capacitor.
470 -Connect external antenna.
575 +5.Check LoRaWan connection status
471 471  
472 -[[image:image-20231129155939-1.png||height="529" width="397"]]
577 +6.The RSSI value of the node when the ACK is received
473 473  
579 +7.Node's Signal Strength Icon
474 474  
475 -2.5
581 +8.Set the packet sending interval of the node in seconds
476 476  
583 +9.AT command input box
477 477  
478 -= 3.  Order Info =
585 +10.Send AT command button
479 479  
587 +11.Node log box
480 480  
481 -**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
589 +12.clear log button
482 482  
483 -(% style="color:blue" %)**XXX**(%%): The default frequency band
591 +13.exit button
484 484  
485 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
486 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
487 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
488 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
489 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
490 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
491 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
492 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
493 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
593 +LA66 USB LoRaWAN Module not connected
494 494  
495 -= 4.  Reference =
595 +[[image:image-20220723110520-5.png||height="903" width="677"]]
496 496  
597 +Connect LA66 USB LoRaWAN Module
497 497  
498 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
499 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
599 +[[image:image-20220723110626-6.png||height="906" width="680"]]
500 500  
501 -= 5.  FCC Statement =
601 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
502 502  
603 +1.Register LA66 USB LoRaWAN Module to TTNV3
503 503  
504 -(% style="color:red" %)**FCC Caution:**
605 +[[image:image-20220723134549-8.png]]
505 505  
506 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
607 +2.Open Node-RED,And import the JSON file to generate the flow
507 507  
508 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
609 +Sample JSON file please go to this link to download：放置JSON文件的链接
509 509  
611 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
510 510  
511 -(% style="color:red" %)**IMPORTANT NOTE: **
613 +The following is the positioning effect map
512 512  
513 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
615 +[[image:image-20220723144339-1.png]]
514 514  
515 -—Reorient or relocate the receiving antenna.
617 +== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
516 516  
517 -—Increase the separation between the equipment and receiver.
619 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
518 518  
519 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
621 +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)
520 520  
521 -—Consult the dealer or an experienced radio/TV technician for help.
623 +[[image:image-20220723150132-2.png]]
522 522  
523 523  
524 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
626 += 4.  Order Info =
525 525  
526 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
527 527  
528 -
629 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
630 +
631 +
632 +(% style="color:blue" %)**XXX**(%%): The default frequency band
633 +
634 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
635 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
636 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
637 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
638 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
639 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
640 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
641 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
642 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
643 +
644 += 5.  Reference =
645 +
646 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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