Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.4 >
edited by Xiaoling
on 2022/08/17 10:02
To version < 87.1 >
edited by Edwin Chen
on 2022/07/11 09:10
>
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -1,64 +1,28 @@
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  
10 -= 1.  LA66 LoRaWAN Shield =
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.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% 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.
26 -)))
27 -
28 -(((
29 -(((
30 -(% 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.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  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.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,260 +88,329 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
52 +== AT Command ==
91 91  
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.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
57 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
62 +== Pin Mapping ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
64 +[[image:image-20220523101537-1.png]]
103 103  
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
107 107  
108 108  
109 -**Show connection diagram：**
72 += LA66 LoRaWAN Shield =
110 110  
74 +== Overview ==
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
76 +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.
113 113  
114 114  
79 +== Features ==
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
81 +* Arduino Shield base on LA66 LoRaWAN module
82 +* Support LoRaWAN v1.0.4 protocol
83 +* Support peer-to-peer protocol
84 +* TCXO crystal to ensure RF performance on low temperature
85 +* SMA connector
86 +* Available in different frequency LoRaWAN frequency bands.
87 +* World-wide unique OTAA keys.
88 +* AT Command via UART-TTL interface
89 +* Firmware upgradable via UART interface
90 +* Ultra-long RF range
117 117  
92 +== Specification ==
118 118  
119 -[[image:image-20220723170545-4.png]]
94 +* CPU: 32-bit 48 MHz
95 +* Flash: 256KB
96 +* RAM: 64KB
97 +* Input Power Range: 1.8v ~~ 3.7v
98 +* Power Consumption: < 4uA.
99 +* Frequency Range: 150 MHz ~~ 960 MHz
100 +* Maximum Power +22 dBm constant RF output
101 +* High sensitivity: -148 dBm
102 +* Temperature:
103 +** Storage: -55 ~~ +125℃
104 +** Operating: -40 ~~ +85℃
105 +* Humidity:
106 +** Storage: 5 ~~ 95% (Non-Condensing)
107 +** Operating: 10 ~~ 95% (Non-Condensing)
108 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
109 +* LoRa Rx current: <9 mA
110 +* I/O Voltage: 3.3v
120 120  
112 +== Pin Mapping & LED ==
121 121  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
124 124  
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
125 125  
126 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
127 127  
128 -[[image:image-20220726135239-1.png]]
122 +=== Items needed for update ===
129 129  
124 +1. LA66 LoRaWAN Shield
125 +1. Arduino
126 +1. USB TO TTL Adapter
130 130  
128 +[[image:image-20220602100052-2.png||height="385" width="600"]]
131 131  
132 -(% style="color:blue" %)**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**
133 133  
134 -[[image:image-20220726135356-2.png]]
131 +=== Connection ===
135 135  
133 +[[image:image-20220602101311-3.png||height="276" width="600"]]
136 136  
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
139 139  
142 +Connect USB TTL Adapter to PC after connecting the wires
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 142  
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
143 143  
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
148 +=== Upgrade steps ===
146 146  
150 +==== Switch SW1 to put in ISP position ====
147 147  
148 -(% style="color:blue" %)**1.  Open project**
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
149 149  
150 150  
151 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
155 +==== Press the RST switch once ====
152 152  
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
153 153  
154 -[[image:image-20220723172502-8.png]]
155 155  
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
156 156  
162 +**~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/]]**
157 157  
158 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
164 +[[image:image-20220602103227-6.png]]
159 159  
166 +[[image:image-20220602103357-7.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
162 162  
169 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 +**2. Select the COM port corresponding to USB TTL**
163 163  
172 +[[image:image-20220602103844-8.png]]
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
166 166  
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
167 167  
168 -(% style="color:blue" %)**1.  Open project**
178 +[[image:image-20220602104144-9.png]]
169 169  
180 +[[image:image-20220602104251-10.png]]
170 170  
171 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
182 +[[image:image-20220602104402-11.png]]
172 172  
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
175 175  
188 +[[image:image-20220602104923-13.png]]
176 176  
177 177  
178 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
179 179  
194 +[[image:image-20220602104948-14.png]]
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
182 182  
197 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 +**The following picture shows that the burning is successful**
183 183  
200 +[[image:image-20220602105251-15.png]]
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
186 186  
187 -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/]]
188 188  
189 -[[image:image-20220723175700-12.png||height="602" width="995"]]
204 += LA66 USB LoRaWAN Adapter =
190 190  
206 +== Overview ==
191 191  
208 +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.
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
194 194  
211 +== Features ==
195 195  
196 -=== 1.8.1  Items needed for update ===
213 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
214 +* Ultra-long RF range
215 +* Support LoRaWAN v1.0.4 protocol
216 +* Support peer-to-peer protocol
217 +* TCXO crystal to ensure RF performance on low temperature
218 +* Spring RF antenna
219 +* Available in different frequency LoRaWAN frequency bands.
220 +* World-wide unique OTAA keys.
221 +* AT Command via UART-TTL interface
222 +* Firmware upgradable via UART interface
197 197  
224 +== Specification ==
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
226 +* CPU: 32-bit 48 MHz
227 +* Flash: 256KB
228 +* RAM: 64KB
229 +* Input Power Range: 5v
230 +* Frequency Range: 150 MHz ~~ 960 MHz
231 +* Maximum Power +22 dBm constant RF output
232 +* High sensitivity: -148 dBm
233 +* Temperature:
234 +** Storage: -55 ~~ +125℃
235 +** Operating: -40 ~~ +85℃
236 +* Humidity:
237 +** Storage: 5 ~~ 95% (Non-Condensing)
238 +** Operating: 10 ~~ 95% (Non-Condensing)
239 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
240 +* LoRa Rx current: <9 mA
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
242 +== Pin Mapping & LED ==
204 204  
244 +== Example Send & Get Messages via LoRaWAN in PC ==
205 205  
246 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
206 206  
207 -=== 1.8.2  Connection ===
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
208 208  
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
252 +Open the serial port tool
211 211  
254 +[[image:image-20220602161617-8.png]]
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
222 222  
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
227 227  
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
266 +3. See Uplink Command
230 230  
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
231 231  
270 +example: AT+SENDB=01,02,8,05820802581ea0a5
232 232  
233 -=== 1.8.3  Upgrade steps ===
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
234 234  
235 235  
275 +4. Check to see if TTN received the message
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
238 238  
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 241  
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
242 242  
283 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
284 +**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]]
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
245 245  
289 +1.LA66 USB LoRaWAN Adapter works fine
246 246  
247 -[[image:image-20220817085447-1.png]]
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
248 248  
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
249 249  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
250 250  
298 +2.Run the python script in PC and see the TTN
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
253 253  
254 254  
255 -(((
256 -(% 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/]]**
257 -)))
258 258  
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
259 259  
260 -[[image:image-20220602103227-6.png]]
306 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
261 261  
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
262 262  
263 -[[image:image-20220602103357-7.png]]
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
264 264  
265 265  
313 +2. Install Minicom in RPi.
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
269 269  
317 +(% class="mark" %)apt update
270 270  
271 -[[image:image-20220602103844-8.png]]
319 +(% class="mark" %)apt install minicom
272 272  
273 273  
322 +Use minicom to connect to the RPI's terminal
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
277 277  
278 278  
279 -[[image:image-20220602104144-9.png]]
327 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
328 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
280 280  
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
281 281  
282 -[[image:image-20220602104251-10.png]]
283 283  
333 +4. Send Uplink message
284 284  
285 -[[image:image-20220602104402-11.png]]
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
286 286  
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
287 287  
339 +[[image:image-20220602160339-6.png||height="517" width="600"]]
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
341 +Check to see if TTN received the message
291 291  
292 -[[image:image-20220602104923-13.png]]
343 +[[image:image-20220602160627-7.png||height="369" width="800"]]
293 293  
294 294  
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
298 298  
299 299  
300 -[[image:image-20220602104948-14.png]]
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
301 301  
302 302  
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
354 += Order Info =
306 306  
307 -[[image:image-20220602105251-15.png]]
356 +Part Number:
308 308  
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
309 309  
360 +**XXX**: The default frequency band
310 310  
311 -= 2.  FAQ =
362 +* **AS923**: LoRaWAN AS923 band
363 +* **AU915**: LoRaWAN AU915 band
364 +* **EU433**: LoRaWAN EU433 band
365 +* **EU868**: LoRaWAN EU868 band
366 +* **KR920**: LoRaWAN KR920 band
367 +* **US915**: LoRaWAN US915 band
368 +* **IN865**: LoRaWAN IN865 band
369 +* **CN470**: LoRaWAN CN470 band
370 +* **PP**: Peer to Peer LoRa Protocol
312 312  
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
373 += Reference =
315 315  
375 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
316 316  
317 -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]]
318 -
319 -
320 -
321 -= 3.  Order Info =
322 -
323 -
324 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
325 -
326 -
327 -(% style="color:blue" %)**XXX**(%%): The default frequency band
328 -
329 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
330 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
331 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
332 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
333 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
334 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
335 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
336 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
337 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
338 -
339 -
340 -
341 -
342 -= 4.  Reference =
343 -
344 -
345 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
346 -
347 347  
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