Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 151.1 >
edited by Edwin Chen
on 2022/08/20 11:23
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
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 +87,329 @@
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. ==
108 108  
72 += LA66 LoRaWAN Shield =
109 109  
110 -**Show connection diagram：**
74 +== Overview ==
111 111  
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.
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
79 +== Features ==
115 115  
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
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +== Specification ==
118 118  
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
119 119  
120 -[[image:image-20220723170545-4.png]]
112 +== Pin Mapping & LED ==
121 121  
114 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
122 122  
116 +== Example: Join TTN network and send an uplink message, get downlink message. ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
118 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
125 125  
120 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]]
122 +=== Items needed for update ===
128 128  
129 -[[image:image-20220726135239-1.png]]
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  
132 132  
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**
131 +=== Connection ===
134 134  
135 -[[image:image-20220726135356-2.png]]
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  
140 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
142 +Connect USB TTL Adapter to PC after connecting the wires
140 140  
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
145 +[[image:image-20220602102240-4.png||height="304" width="600"]]
143 143  
144 144  
148 +=== Upgrade steps ===
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
150 +==== Switch SW1 to put in ISP position ====
147 147  
152 +[[image:image-20220602102824-5.png||height="306" width="600"]]
148 148  
149 -(% style="color:blue" %)**1.  Open project**
150 150  
155 +==== Press the RST switch once ====
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]]
157 +[[image:image-20220602104701-12.png||height="285" width="600"]]
153 153  
154 154  
155 -[[image:image-20220723172502-8.png]]
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  
164 +[[image:image-20220602103227-6.png]]
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**
166 +[[image:image-20220602103357-7.png]]
160 160  
161 161  
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
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  
165 165  
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
175 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
176 +**3. Select the bin file to burn**
167 167  
178 +[[image:image-20220602104144-9.png]]
168 168  
169 -(% style="color:blue" %)**1.  Open project**
180 +[[image:image-20220602104251-10.png]]
170 170  
182 +[[image:image-20220602104402-11.png]]
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]]
173 173  
185 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
186 +**4. Click to start the download**
174 174  
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
188 +[[image:image-20220602104923-13.png]]
176 176  
177 177  
191 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
192 +**5. Check update process**
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**
194 +[[image:image-20220602104948-14.png]]
180 180  
181 181  
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
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  
185 185  
186 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
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/]]
204 += LA66 USB LoRaWAN Adapter =
189 189  
190 -[[image:image-20220723175700-12.png||height="602" width="995"]]
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  
193 193  
194 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
211 +== Features ==
195 195  
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
196 196  
197 -=== 1.8.1  Items needed for update ===
224 +== Specification ==
198 198  
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
199 199  
200 -1. LA66 LoRaWAN Shield
201 -1. Arduino
202 -1. USB TO TTL Adapter
242 +== Pin Mapping & LED ==
203 203  
204 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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  
248 +~1. Connect the LA66 USB LoRaWAN adapter to PC
207 207  
208 -=== 1.8.2  Connection ===
250 +[[image:image-20220602171217-1.png||height="538" width="800"]]
209 209  
252 +Open the serial port tool
210 210  
211 -[[image:image-20220602101311-3.png||height="276" width="600"]]
254 +[[image:image-20220602161617-8.png]]
212 212  
256 +[[image:image-20220602161718-9.png||height="457" width="800"]]
213 213  
214 -(((
215 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
216 -)))
217 217  
218 -(((
219 -(% style="background-color:yellow" %)**GND  <-> GND
220 -TXD  <->  TXD
221 -RXD  <->  RXD**
222 -)))
259 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
223 223  
261 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
224 224  
225 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
263 +[[image:image-20220602161935-10.png||height="498" width="800"]]
226 226  
227 -Connect USB TTL Adapter to PC after connecting the wires
228 228  
266 +3. See Uplink Command
229 229  
230 -[[image:image-20220602102240-4.png||height="304" width="600"]]
268 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
231 231  
270 +example: AT+SENDB=01,02,8,05820802581ea0a5
232 232  
272 +[[image:image-20220602162157-11.png||height="497" width="800"]]
233 233  
234 -=== 1.8.3  Upgrade steps ===
235 235  
275 +4. Check to see if TTN received the message
236 236  
277 +[[image:image-20220602162331-12.png||height="420" width="800"]]
237 237  
238 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
239 239  
240 240  
241 -[[image:image-20220602102824-5.png||height="306" width="600"]]
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  
286 +(% class="wikigeneratedid" id="HPreconditions:" %)
287 +**Preconditions:**
244 244  
245 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
289 +1.LA66 USB LoRaWAN Adapter works fine
246 246  
291 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 247  
248 -[[image:image-20220817085447-1.png]]
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  
300 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
252 252  
253 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
254 254  
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 -)))
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
259 259  
306 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
260 260  
261 -[[image:image-20220602103227-6.png]]
308 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
262 262  
310 +[[image:image-20220602171233-2.png||height="538" width="800"]]
263 263  
264 -[[image:image-20220602103357-7.png]]
265 265  
313 +2. Install Minicom in RPi.
266 266  
315 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
267 267  
268 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
269 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
317 +(% class="mark" %)apt update
270 270  
319 +(% class="mark" %)apt install minicom
271 271  
272 -[[image:image-20220602103844-8.png]]
273 273  
322 +Use minicom to connect to the RPI's terminal
274 274  
324 +[[image:image-20220602153146-3.png||height="439" width="500"]]
275 275  
276 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
277 -(% style="color:blue" %)**3. Select the bin file to burn**
278 278  
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
279 279  
280 -[[image:image-20220602104144-9.png]]
330 +[[image:image-20220602154928-5.png||height="436" width="500"]]
281 281  
282 282  
283 -[[image:image-20220602104251-10.png]]
333 +4. Send Uplink message
284 284  
335 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
285 285  
286 -[[image:image-20220602104402-11.png]]
337 +example: AT+SENDB=01,02,8,05820802581ea0a5
287 287  
339 +[[image:image-20220602160339-6.png||height="517" width="600"]]
288 288  
341 +Check to see if TTN received the message
289 289  
290 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
291 -(% style="color:blue" %)**4. Click to start the download**
343 +[[image:image-20220602160627-7.png||height="369" width="800"]]
292 292  
293 -[[image:image-20220602104923-13.png]]
294 294  
295 295  
347 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
296 296  
297 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
298 -(% style="color:blue" %)**5. Check update process**
299 299  
350 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
300 300  
301 -[[image:image-20220602104948-14.png]]
302 302  
303 303  
354 += Order Info =
304 304  
305 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
306 -(% style="color:blue" %)**The following picture shows that the burning is successful**
356 +Part Number:
307 307  
308 -[[image:image-20220602105251-15.png]]
358 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
309 309  
360 +**XXX**: The default frequency band
310 310  
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
311 311  
312 -= 2.  FAQ =
313 313  
373 += Reference =
314 314  
315 -== 2.1  How to Compile Source Code for LA66? ==
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 -
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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