Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.7 >
edited by Xiaoling
on 2022/08/16 14:19
To version < 86.1 >
edited by Edwin Chen
on 2022/07/10 22:08
>
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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 58  * 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
... ... @@ -65,12 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -
71 -== 1.3  Specification ==
72 -
73 -
74 74  * CPU: 32-bit 48 MHz
75 75  * Flash: 256KB
76 76  * RAM: 64KB
... ... @@ -89,253 +89,332 @@
89 89  * LoRa Rx current: <9 mA
90 90  * I/O Voltage: 3.3v
91 91  
52 +== AT Command ==
92 92  
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.
93 93  
94 94  
95 -== 1.4  Pin Mapping & LED ==
57 +== Dimension ==
96 96  
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -[[image:image-20220814101457-1.png||height="553" width="761"]]
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
62 +== Pin Mapping ==
103 103  
64 +[[image:image-20220523101537-1.png]]
104 104  
66 +== Land Pattern ==
105 105  
106 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
107 107  
108 108  
109 -**Show connection diagram：**
71 +
110 110  
73 += LA66 LoRaWAN Shield =
111 111  
112 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +== Overview ==
113 113  
77 +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.
114 114  
115 115  
116 -(% style="color:blue" %)**1.  open Arduino IDE**
80 +== Features ==
117 117  
82 +* Arduino Shield base on LA66 LoRaWAN module
83 +* Support LoRaWAN v1.0.4 protocol
84 +* Support peer-to-peer protocol
85 +* TCXO crystal to ensure RF performance on low temperature
86 +* SMA connector
87 +* Available in different frequency LoRaWAN frequency bands.
88 +* World-wide unique OTAA keys.
89 +* AT Command via UART-TTL interface
90 +* Firmware upgradable via UART interface
91 +* Ultra-long RF range
118 118  
119 -[[image:image-20220723170545-4.png]]
93 +== Specification ==
120 120  
95 +* CPU: 32-bit 48 MHz
96 +* Flash: 256KB
97 +* RAM: 64KB
98 +* Input Power Range: 1.8v ~~ 3.7v
99 +* Power Consumption: < 4uA.
100 +* Frequency Range: 150 MHz ~~ 960 MHz
101 +* Maximum Power +22 dBm constant RF output
102 +* High sensitivity: -148 dBm
103 +* Temperature:
104 +** Storage: -55 ~~ +125℃
105 +** Operating: -40 ~~ +85℃
106 +* Humidity:
107 +** Storage: 5 ~~ 95% (Non-Condensing)
108 +** Operating: 10 ~~ 95% (Non-Condensing)
109 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
110 +* LoRa Rx current: <9 mA
111 +* I/O Voltage: 3.3v
121 121  
113 +== Pin Mapping & LED ==
122 122  
123 -(% style="color:blue" %)**2.  Open project**
115 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
124 124  
117 +== Example: Join TTN network and send an uplink message, get downlink message. ==
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]]
119 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
127 127  
128 -[[image:image-20220726135239-1.png]]
121 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
129 129  
123 +=== Items needed for update ===
130 130  
131 -(% 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**
125 +1. LA66 LoRaWAN Shield
126 +1. Arduino
127 +1. USB TO TTL Adapter
132 132  
133 -[[image:image-20220726135356-2.png]]
129 +[[image:image-20220602100052-2.png||height="385" width="600"]]
134 134  
135 135  
136 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
132 +=== Connection ===
137 137  
134 +[[image:image-20220602101311-3.png||height="276" width="600"]]
138 138  
139 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
136 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
137 +**GND  <-> GND
138 +TXD  <-> TXD
139 +RXD  <-> RXD**
140 140  
141 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
141 141  
143 +Connect USB TTL Adapter to PC after connecting the wires
142 142  
143 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
144 144  
146 +[[image:image-20220602102240-4.png||height="304" width="600"]]
145 145  
146 -(% style="color:blue" %)**1.  Open project**
147 147  
149 +=== Upgrade steps ===
148 148  
149 -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]]
151 +==== Switch SW1 to put in ISP position ====
150 150  
153 +[[image:image-20220602102824-5.png||height="306" width="600"]]
151 151  
152 -[[image:image-20220723172502-8.png]]
153 153  
156 +==== Press the RST switch once ====
154 154  
158 +[[image:image-20220602104701-12.png||height="285" width="600"]]
155 155  
156 -(% 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**
157 157  
161 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
158 158  
159 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
163 +**~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/]]**
160 160  
165 +[[image:image-20220602103227-6.png]]
161 161  
167 +[[image:image-20220602103357-7.png]]
162 162  
163 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
164 164  
170 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
171 +**2. Select the COM port corresponding to USB TTL**
165 165  
166 -(% style="color:blue" %)**1.  Open project**
173 +[[image:image-20220602103844-8.png]]
167 167  
168 168  
169 -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]]
176 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
177 +**3. Select the bin file to burn**
170 170  
179 +[[image:image-20220602104144-9.png]]
171 171  
172 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
181 +[[image:image-20220602104251-10.png]]
173 173  
183 +[[image:image-20220602104402-11.png]]
174 174  
175 175  
176 -(% 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**
186 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
187 +**4. Click to start the download**
177 177  
189 +[[image:image-20220602104923-13.png]]
178 178  
179 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
180 180  
192 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
193 +**5. Check update process**
181 181  
195 +[[image:image-20220602104948-14.png]]
182 182  
183 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
184 184  
185 -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/]]
198 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
199 +**The following picture shows that the burning is successful**
186 186  
187 -[[image:image-20220723175700-12.png||height="602" width="995"]]
201 +[[image:image-20220602105251-15.png]]
188 188  
189 189  
204 +
190 190  
191 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
206 += LA66 USB LoRaWAN Adapter =
192 192  
208 +== Overview ==
193 193  
194 -=== 1.8.1  Items needed for update ===
210 +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.
195 195  
196 196  
197 -1. LA66 LoRaWAN Shield
198 -1. Arduino
199 -1. USB TO TTL Adapter
213 +== Features ==
200 200  
201 -[[image:image-20220602100052-2.png||height="385" width="600"]]
215 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
216 +* Ultra-long RF range
217 +* Support LoRaWAN v1.0.4 protocol
218 +* Support peer-to-peer protocol
219 +* TCXO crystal to ensure RF performance on low temperature
220 +* Spring RF antenna
221 +* Available in different frequency LoRaWAN frequency bands.
222 +* World-wide unique OTAA keys.
223 +* AT Command via UART-TTL interface
224 +* Firmware upgradable via UART interface
202 202  
226 +== Specification ==
203 203  
228 +* CPU: 32-bit 48 MHz
229 +* Flash: 256KB
230 +* RAM: 64KB
231 +* Input Power Range: 5v
232 +* Frequency Range: 150 MHz ~~ 960 MHz
233 +* Maximum Power +22 dBm constant RF output
234 +* High sensitivity: -148 dBm
235 +* Temperature:
236 +** Storage: -55 ~~ +125℃
237 +** Operating: -40 ~~ +85℃
238 +* Humidity:
239 +** Storage: 5 ~~ 95% (Non-Condensing)
240 +** Operating: 10 ~~ 95% (Non-Condensing)
241 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
242 +* LoRa Rx current: <9 mA
204 204  
205 -=== 1.8.2  Connection ===
244 +== Pin Mapping & LED ==
206 206  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
207 207  
208 -[[image:image-20220602101311-3.png||height="276" width="600"]]
248 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
209 209  
250 +~1. Connect the LA66 USB LoRaWAN adapter to PC
210 210  
211 -(((
212 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
213 -)))
252 +[[image:image-20220602171217-1.png||height="538" width="800"]]
214 214  
215 -(((
216 -(% style="background-color:yellow" %)**GND  <-> GND
217 -TXD  <->  TXD
218 -RXD  <->  RXD**
219 -)))
254 +Open the serial port tool
220 220  
256 +[[image:image-20220602161617-8.png]]
221 221  
222 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
258 +[[image:image-20220602161718-9.png||height="457" width="800"]]
223 223  
224 -Connect USB TTL Adapter to PC after connecting the wires
225 225  
261 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
226 226  
227 -[[image:image-20220602102240-4.png||height="304" width="600"]]
263 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
228 228  
265 +[[image:image-20220602161935-10.png||height="498" width="800"]]
229 229  
230 230  
231 -=== 2.8.3  Upgrade steps ===
268 +3. See Uplink Command
232 232  
270 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
272 +example: AT+SENDB=01,02,8,05820802581ea0a5
235 235  
274 +[[image:image-20220602162157-11.png||height="497" width="800"]]
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
238 238  
277 +4. Check to see if TTN received the message
239 239  
279 +[[image:image-20220602162331-12.png||height="420" width="800"]]
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 242  
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
283 +== Example:Send PC's CPU/RAM usage to TTN via python ==
245 245  
285 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
286 +**Use python as an example：**
246 246  
288 +(% class="wikigeneratedid" id="HPreconditions:" %)
289 +**Preconditions:**
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
291 +1.LA66 USB LoRaWAN Adapter works fine
249 249  
293 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
250 250  
251 -(((
252 -(% 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/]]**
253 -)))
295 +(% class="wikigeneratedid" id="HStepsforusage" %)
296 +**Steps for usage**
254 254  
298 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
255 255  
256 -[[image:image-20220602103227-6.png]]
300 +2.Run the python script in PC and see the TTN
257 257  
302 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
258 258  
259 -[[image:image-20220602103357-7.png]]
260 260  
261 261  
306 +== Example Send & Get Messages via LoRaWAN in RPi ==
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
308 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
265 265  
310 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
266 266  
267 -[[image:image-20220602103844-8.png]]
312 +[[image:image-20220602171233-2.png||height="538" width="800"]]
268 268  
269 269  
315 +2. Install Minicom in RPi.
270 270  
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
317 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
273 273  
319 +(% class="mark" %)apt update
274 274  
275 -[[image:image-20220602104144-9.png]]
321 +(% class="mark" %)apt install minicom
276 276  
277 277  
278 -[[image:image-20220602104251-10.png]]
324 +Use minicom to connect to the RPI's terminal
279 279  
326 +[[image:image-20220602153146-3.png||height="439" width="500"]]
280 280  
281 -[[image:image-20220602104402-11.png]]
282 282  
329 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
330 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
283 283  
332 +[[image:image-20220602154928-5.png||height="436" width="500"]]
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
287 287  
288 -[[image:image-20220602104923-13.png]]
335 +4. Send Uplink message
289 289  
337 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
290 290  
339 +example: AT+SENDB=01,02,8,05820802581ea0a5
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
341 +[[image:image-20220602160339-6.png||height="517" width="600"]]
294 294  
343 +Check to see if TTN received the message
295 295  
296 -[[image:image-20220602104948-14.png]]
345 +[[image:image-20220602160627-7.png||height="369" width="800"]]
297 297  
298 298  
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
349 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
302 302  
303 -[[image:image-20220602105251-15.png]]
304 304  
352 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
305 305  
306 306  
307 -= 2.  FAQ =
308 308  
356 += Order Info =
309 309  
310 -== 2.1  How to Compile Source Code for LA66? ==
358 +Part Number:
311 311  
360 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
312 312  
313 -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]]
362 +**XXX**: The default frequency band
314 314  
364 +* **AS923**: LoRaWAN AS923 band
365 +* **AU915**: LoRaWAN AU915 band
366 +* **EU433**: LoRaWAN EU433 band
367 +* **EU868**: LoRaWAN EU868 band
368 +* **KR920**: LoRaWAN KR920 band
369 +* **US915**: LoRaWAN US915 band
370 +* **IN865**: LoRaWAN IN865 band
371 +* **CN470**: LoRaWAN CN470 band
372 +* **PP**: Peer to Peer LoRa Protocol
315 315  
316 316  
317 -= 3.  Order Info =
318 318  
376 += Reference =
319 319  
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
378 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
321 321  
322 -
323 -(% style="color:blue" %)**XXX**(%%): The default frequency band
324 -
325 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
326 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
327 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
328 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
329 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
330 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
331 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
332 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
333 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
334 -
335 -
336 -
337 -
338 -= 4.  Reference =
339 -
340 -
341 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
380 +
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