Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 149.2 >
edited by Xiaoling
on 2022/08/17 08:57
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
... ... @@ -65,12 +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
... ... @@ -89,258 +89,329 @@
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-20220817085048-1.png]]
99 99  
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
102 -~1. The LED lights up red when there is an upstream data packet
103 -2. When the network is successfully connected, the green light will be on for 5 seconds
104 -3. Purple light on when receiving downlink data packets
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
108 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
109 109  
72 += LA66 LoRaWAN Shield =
110 110  
111 -**Show connection diagram：**
74 +== Overview ==
112 112  
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 -[[image:image-20220723170210-2.png||height="908" width="681"]]
115 115  
79 +== Features ==
116 116  
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  
118 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +== Specification ==
119 119  
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  
121 -[[image:image-20220723170545-4.png]]
112 +== Pin Mapping & LED ==
122 122  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
123 123  
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
124 124  
125 -(% style="color:blue" %)**2.  Open project**
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
126 126  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
127 127  
128 -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]]
122 +=== Items needed for update ===
129 129  
130 -[[image:image-20220726135239-1.png]]
124 +1. LA66 LoRaWAN Shield
125 +1. Arduino
126 +1. USB TO TTL Adapter
131 131  
128 +[[image:image-20220602100052-2.png||height="385" width="600"]]
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**
134 134  
135 -[[image:image-20220726135356-2.png]]
131 +=== Connection ===
136 136  
133 +[[image:image-20220602101311-3.png||height="276" width="600"]]
137 137  
138 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
135 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
136 +**GND  <-> GND
137 +TXD  <-> TXD
138 +RXD  <-> RXD**
139 139  
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
140 140  
141 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
142 +Connect USB TTL Adapter to PC after connecting the wires
142 142  
143 143  
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
144 144  
145 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
146 146  
148 +=== Upgrade steps ===
147 147  
148 -(% style="color:blue" %)**1.  Open project**
150 +==== Switch SW1 to put in ISP position ====
149 149  
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
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]]
152 152  
155 +==== Press the RST switch once ====
153 153  
154 -[[image:image-20220723172502-8.png]]
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
155 155  
156 156  
160 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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**
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/]]**
159 159  
164 +[[image:image-20220602103227-6.png]]
160 160  
161 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
166 +[[image:image-20220602103357-7.png]]
162 162  
163 163  
169 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
170 +**2. Select the COM port corresponding to USB TTL**
164 164  
165 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
172 +[[image:image-20220602103844-8.png]]
166 166  
167 167  
168 -(% style="color:blue" %)**1.  Open project**
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
169 169  
178 +[[image:image-20220602104144-9.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]]
180 +[[image:image-20220602104251-10.png]]
172 172  
182 +[[image:image-20220602104402-11.png]]
173 173  
174 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
175 175  
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
176 176  
188 +[[image:image-20220602104923-13.png]]
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**
179 179  
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
180 180  
181 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
194 +[[image:image-20220602104948-14.png]]
182 182  
183 183  
197 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
198 +**The following picture shows that the burning is successful**
184 184  
185 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
200 +[[image:image-20220602105251-15.png]]
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"]]
190 190  
204 += LA66 USB LoRaWAN Adapter =
191 191  
206 +== Overview ==
192 192  
193 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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.
194 194  
195 195  
196 -=== 1.8.1  Items needed for update ===
211 +== Features ==
197 197  
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
198 198  
199 -1. LA66 LoRaWAN Shield
200 -1. Arduino
201 -1. USB TO TTL Adapter
224 +== Specification ==
202 202  
203 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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
204 204  
242 +== Pin Mapping & LED ==
205 205  
244 +== Example Send & Get Messages via LoRaWAN in PC ==
206 206  
207 -=== 1.8.2  Connection ===
246 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
208 208  
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
209 209  
210 -[[image:image-20220602101311-3.png||height="276" width="600"]]
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
211 211  
252 +Open the serial port tool
212 212  
213 -(((
214 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
215 -)))
254 +[[image:image-20220602161617-8.png]]
216 216  
217 -(((
218 -(% style="background-color:yellow" %)**GND  <-> GND
219 -TXD  <->  TXD
220 -RXD  <->  RXD**
221 -)))
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
222 222  
223 223  
224 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
225 225  
226 -Connect USB TTL Adapter to PC after connecting the wires
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
227 227  
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
228 228  
229 -[[image:image-20220602102240-4.png||height="304" width="600"]]
230 230  
266 +3. See Uplink Command
231 231  
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
232 232  
233 -=== 1.8.3  Upgrade steps ===
270 +example: AT+SENDB=01,02,8,05820802581ea0a5
234 234  
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
235 235  
236 236  
237 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
275 +4. Check to see if TTN received the message
238 238  
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
239 239  
240 -[[image:image-20220602102824-5.png||height="306" width="600"]]
241 241  
242 242  
281 +== Example:Send PC's CPU/RAM usage to TTN via python ==
243 243  
244 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
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]]
245 245  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
246 246  
247 -[[image:image-20220817085447-1.png]]
289 +1.LA66 USB LoRaWAN Adapter works fine
248 248  
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
249 249  
293 +(% class="wikigeneratedid" id="HStepsforusage" %)
294 +**Steps for usage**
250 250  
296 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 251  
252 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
298 +2.Run the python script in PC and see the TTN
253 253  
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
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  
259 259  
260 -[[image:image-20220602103227-6.png]]
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
261 261  
306 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
262 262  
263 -[[image:image-20220602103357-7.png]]
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
264 264  
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
265 265  
266 266  
267 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
268 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
313 +2. Install Minicom in RPi.
269 269  
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
270 270  
271 -[[image:image-20220602103844-8.png]]
317 +(% class="mark" %)apt update
272 272  
319 +(% class="mark" %)apt install minicom
273 273  
274 274  
275 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
276 -(% style="color:blue" %)**3. Select the bin file to burn**
322 +Use minicom to connect to the RPI's terminal
277 277  
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
278 278  
279 -[[image:image-20220602104144-9.png]]
280 280  
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
281 281  
282 -[[image:image-20220602104251-10.png]]
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
283 283  
284 284  
285 -[[image:image-20220602104402-11.png]]
333 +4. Send Uplink message
286 286  
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
287 287  
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
288 288  
289 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
290 -(% style="color:blue" %)**4. Click to start the download**
339 +[[image:image-20220602160339-6.png||height="517" width="600"]]
291 291  
292 -[[image:image-20220602104923-13.png]]
341 +Check to see if TTN received the message
293 293  
343 +[[image:image-20220602160627-7.png||height="369" width="800"]]
294 294  
295 295  
296 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
297 -(% style="color:blue" %)**5. Check update process**
298 298  
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
299 299  
300 -[[image:image-20220602104948-14.png]]
301 301  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
302 302  
303 303  
304 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
305 -(% style="color:blue" %)**The following picture shows that the burning is successful**
306 306  
307 -[[image:image-20220602105251-15.png]]
354 += Order Info =
308 308  
356 +Part Number:
309 309  
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
310 310  
311 -= 2.  FAQ =
360 +**XXX**: The default frequency band
312 312  
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
313 313  
314 -== 2.1  How to Compile Source Code for LA66? ==
315 315  
373 += Reference =
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]]
375 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
318 318  
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 -= 4.  Reference =
342 -
343 -
344 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
345 -
346 346  
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