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Last modified by Xiaoling on 2023/05/26 14:19
From version 151.1
edited by Edwin Chen
on 2022/08/20 11:23
Change comment: There is no comment for this version
To version 76.1
edited by Edwin Chen
on 2022/07/03 00:24
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
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
... ... @@ -65,10 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -== 1.3  Specification ==
70 -
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -87,261 +87,343 @@
87 87  * LoRa Rx current: <9 mA
88 88  * I/O Voltage: 3.3v
89 89  
52 +== AT Command ==
90 90  
91 -== 1.4  Pin Mapping & LED ==
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 93  
94 -[[image:image-20220817085048-1.png||height="533" width="734"]]
57 +== Dimension ==
95 95  
59 +[[image:image-20220517072526-1.png]]
96 96  
97 97  
98 -~1. The LED lights up red when there is an upstream data packet
99 -2. When the network is successfully connected, the green light will be on for 5 seconds
100 -3. Purple light on when receiving downlink data packets
62 +== Pin Mapping ==
101 101  
64 +[[image:image-20220523101537-1.png]]
102 102  
103 -[[image:image-20220820112305-1.png||height="515" width="749"]]
66 +== Land Pattern ==
104 104  
68 +[[image:image-20220517072821-2.png]]
105 105  
106 106  
107 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
71 +== Order Info ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
75 +**XX**: The default frequency band
111 111  
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
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
87 += LA66 LoRaWAN Shield =
114 114  
89 +== Overview ==
115 115  
91 +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.
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
118 118  
94 +== Features ==
119 119  
120 -[[image:image-20220723170545-4.png]]
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
121 121  
107 +== Specification ==
122 122  
109 +* CPU: 32-bit 48 MHz
110 +* Flash: 256KB
111 +* RAM: 64KB
112 +* Input Power Range: 1.8v ~~ 3.7v
113 +* Power Consumption: < 4uA.
114 +* Frequency Range: 150 MHz ~~ 960 MHz
115 +* Maximum Power +22 dBm constant RF output
116 +* High sensitivity: -148 dBm
117 +* Temperature:
118 +** Storage: -55 ~~ +125℃
119 +** Operating: -40 ~~ +85℃
120 +* Humidity:
121 +** Storage: 5 ~~ 95% (Non-Condensing)
122 +** Operating: 10 ~~ 95% (Non-Condensing)
123 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
124 +* LoRa Rx current: <9 mA
125 +* I/O Voltage: 3.3v
123 123  
124 -(% style="color:blue" %)**2.  Open project**
127 +== Pin Mapping & LED ==
125 125  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
127 -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]]
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
128 128  
129 -[[image:image-20220726135239-1.png]]
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
130 130  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
131 131  
137 +=== Items needed for update ===
132 132  
133 -(% 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**
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
134 134  
135 -[[image:image-20220726135356-2.png]]
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
136 136  
137 137  
146 +=== Connection ===
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
140 140  
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
143 143  
157 +Connect USB TTL Adapter to PC after connecting the wires
144 144  
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
147 147  
148 148  
149 -(% style="color:blue" %)**1.  Open project**
163 +=== Upgrade steps ===
150 150  
165 +==== Switch SW1 to put in ISP position ====
151 151  
152 -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]]
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
153 153  
154 154  
155 -[[image:image-20220723172502-8.png]]
170 +==== Press the RST switch once ====
156 156  
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
157 157  
158 158  
159 -(% 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**
175 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
160 160  
177 +**~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/]]**
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
179 +[[image:image-20220602103227-6.png]]
163 163  
181 +[[image:image-20220602103357-7.png]]
164 164  
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
184 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
185 +**2. Select the COM port corresponding to USB TTL**
167 167  
187 +[[image:image-20220602103844-8.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
170 170  
190 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 +**3. Select the bin file to burn**
171 171  
172 -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]]
193 +[[image:image-20220602104144-9.png]]
173 173  
195 +[[image:image-20220602104251-10.png]]
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
197 +[[image:image-20220602104402-11.png]]
176 176  
177 177  
200 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 +**4. Click to start the download**
178 178  
179 -(% 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**
203 +[[image:image-20220602104923-13.png]]
180 180  
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
206 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 +**5. Check update process**
183 183  
209 +[[image:image-20220602104948-14.png]]
184 184  
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
212 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 +**The following picture shows that the burning is successful**
187 187  
188 -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/]]
215 +[[image:image-20220602105251-15.png]]
189 189  
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
191 191  
218 +== Order Info ==
192 192  
220 +Part Number: **LA66-LoRaWAN-Shield-XXX**
193 193  
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
222 +**XX**: The default frequency band
195 195  
224 +* **AS923**: LoRaWAN AS923 band
225 +* **AU915**: LoRaWAN AU915 band
226 +* **EU433**: LoRaWAN EU433 band
227 +* **EU868**: LoRaWAN EU868 band
228 +* **KR920**: LoRaWAN KR920 band
229 +* **US915**: LoRaWAN US915 band
230 +* **IN865**: LoRaWAN IN865 band
231 +* **CN470**: LoRaWAN CN470 band
232 +* **PP**: Peer to Peer LoRa Protocol
196 196  
197 -=== 1.8.1  Items needed for update ===
234 +== Package Info ==
198 198  
236 +* LA66 LoRaWAN Shield x 1
237 +* RF Antenna x 1
199 199  
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
239 += LA66 USB LoRaWAN Adapter =
203 203  
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
241 +== Overview ==
205 205  
243 +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.
206 206  
207 207  
208 -=== 1.8.2  Connection ===
246 +== Features ==
209 209  
248 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
249 +* Ultra-long RF range
250 +* Support LoRaWAN v1.0.4 protocol
251 +* Support peer-to-peer protocol
252 +* TCXO crystal to ensure RF performance on low temperature
253 +* Spring RF antenna
254 +* Available in different frequency LoRaWAN frequency bands.
255 +* World-wide unique OTAA keys.
256 +* AT Command via UART-TTL interface
257 +* Firmware upgradable via UART interface
210 210  
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
259 +== Specification ==
212 212  
261 +* CPU: 32-bit 48 MHz
262 +* Flash: 256KB
263 +* RAM: 64KB
264 +* Input Power Range: 5v
265 +* Frequency Range: 150 MHz ~~ 960 MHz
266 +* Maximum Power +22 dBm constant RF output
267 +* High sensitivity: -148 dBm
268 +* Temperature:
269 +** Storage: -55 ~~ +125℃
270 +** Operating: -40 ~~ +85℃
271 +* Humidity:
272 +** Storage: 5 ~~ 95% (Non-Condensing)
273 +** Operating: 10 ~~ 95% (Non-Condensing)
274 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
275 +* LoRa Rx current: <9 mA
213 213  
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
277 +== Pin Mapping & LED ==
217 217  
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
279 +== Example Send & Get Messages via LoRaWAN in PC ==
223 223  
281 +Connect the LA66 LoRa Shield to the PC
224 224  
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
283 +[[image:image-20220602171217-1.png||height="615" width="915"]]
226 226  
227 -Connect USB TTL Adapter to PC after connecting the wires
285 +Open the serial port tool
228 228  
287 +[[image:image-20220602161617-8.png]]
229 229  
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
289 +[[image:image-20220602161718-9.png||height="529" width="927"]]
231 231  
291 +Press the reset switch RST on the LA66 LoRa Shield.
232 232  
293 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
233 233  
234 -=== 1.8.3  Upgrade steps ===
295 +[[image:image-20220602161935-10.png]]
235 235  
297 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
236 236  
299 +example: AT+SENDB=01,02,8,05820802581ea0a5
237 237  
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
301 +[[image:image-20220602162157-11.png]]
239 239  
303 +Check to see if TTN received the message
240 240  
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
305 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
242 242  
307 +== Example Send & Get Messages via LoRaWAN in RPi ==
243 243  
309 +Connect the LA66 LoRa Shield to the RPI
244 244  
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
311 +[[image:image-20220602171233-2.png||height="592" width="881"]]
246 246  
313 +Log in to the RPI's terminal and connect to the serial port
247 247  
248 -[[image:image-20220817085447-1.png]]
315 +[[image:image-20220602153146-3.png]]
249 249  
317 +Press the reset switch RST on the LA66 LoRa Shield.
318 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
250 250  
320 +[[image:image-20220602154928-5.png]]
251 251  
322 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
252 252  
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
324 +example: AT+SENDB=01,02,8,05820802581ea0a5
254 254  
326 +[[image:image-20220602160339-6.png]]
255 255  
256 -(((
257 -(% 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/]]**
258 -)))
328 +Check to see if TTN received the message
259 259  
330 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
260 260  
261 -[[image:image-20220602103227-6.png]]
332 +=== Install Minicom ===
262 262  
334 +Enter the following command in the RPI terminal
263 263  
264 -[[image:image-20220602103357-7.png]]
336 +apt update
265 265  
338 +[[image:image-20220602143155-1.png]]
266 266  
340 +apt install minicom
267 267  
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
342 +[[image:image-20220602143744-2.png]]
270 270  
344 +=== Send PC's CPU/RAM usage to TTN via script. ===
271 271  
272 -[[image:image-20220602103844-8.png]]
346 +==== Take python as an example： ====
273 273  
348 +===== Preconditions: =====
274 274  
350 +1.LA66 USB LoRaWAN Adapter works fine
275 275  
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
352 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
278 278  
354 +===== Steps for usage =====
279 279  
280 -[[image:image-20220602104144-9.png]]
356 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
281 281  
358 +2.Run the script and see the TTN
282 282  
283 -[[image:image-20220602104251-10.png]]
360 +[[image:image-20220602115852-3.png]]
284 284  
285 285  
286 -[[image:image-20220602104402-11.png]]
287 287  
364 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
288 288  
289 289  
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
367 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
292 292  
293 -[[image:image-20220602104923-13.png]]
294 294  
295 295  
371 +== Order Info ==
296 296  
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
373 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
299 299  
375 +**XX**: The default frequency band
300 300  
301 -[[image:image-20220602104948-14.png]]
377 +* **AS923**: LoRaWAN AS923 band
378 +* **AU915**: LoRaWAN AU915 band
379 +* **EU433**: LoRaWAN EU433 band
380 +* **EU868**: LoRaWAN EU868 band
381 +* **KR920**: LoRaWAN KR920 band
382 +* **US915**: LoRaWAN US915 band
383 +* **IN865**: LoRaWAN IN865 band
384 +* **CN470**: LoRaWAN CN470 band
385 +* **PP**: Peer to Peer LoRa Protocol
302 302  
387 +== Package Info ==
303 303  
389 +* LA66 USB LoRaWAN Adapter x 1
304 304  
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
307 -
308 -[[image:image-20220602105251-15.png]]
309 -
310 -
311 -
312 -= 2.  FAQ =
313 -
314 -
315 -== 2.1  How to Compile Source Code for LA66? ==
316 -
317 -
318 -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]]
319 -
320 -
321 -
322 -= 3.  Order Info =
323 -
324 -
325 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
326 -
327 -
328 -(% style="color:blue" %)**XXX**(%%): The default frequency band
329 -
330 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
331 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
332 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
333 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
334 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
335 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
336 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
337 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
338 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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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