Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 148.2 >
edited by Xiaoling
on 2022/08/17 08:54
To version < 77.1 >
edited by Edwin Chen
on 2022/07/03 00:25
>
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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
... ... @@ -65,9 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
68 -== 1.3  Specification ==
32 +== Specification ==
69 69  
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,251 +86,343 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
52 +== AT Command ==
89 89  
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.
90 90  
91 -== 1.4  Pin Mapping & LED ==
92 92  
57 +== Dimension ==
93 93  
94 -[[image:image-20220817085048-1.png]]
59 +[[image:image-20220517072526-1.png]]
95 95  
96 96  
97 -~1. The LED lights up red when there is an upstream data packet
98 -2. When the network is successfully connected, the green light will be on for 5 seconds
99 -3. Purple light on when receiving downlink data packets
62 +== Pin Mapping ==
100 100  
64 +[[image:image-20220523101537-1.png]]
101 101  
66 +== Land Pattern ==
102 102  
103 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
68 +[[image:image-20220517072821-2.png]]
104 104  
105 105  
106 -**Show connection diagram：**
71 +== Order Info ==
107 107  
73 +Part Number: **LA66-XXX**
108 108  
109 -[[image:image-20220723170210-2.png||height="908" width="681"]]
75 +**XX**: The default frequency band
110 110  
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
111 111  
87 += LA66 LoRaWAN Shield =
112 112  
113 -(% style="color:blue" %)**1.  open Arduino IDE**
89 +== Overview ==
114 114  
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.
115 115  
116 -[[image:image-20220723170545-4.png]]
117 117  
94 +== Features ==
118 118  
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
119 119  
120 -(% style="color:blue" %)**2.  Open project**
107 +== Specification ==
121 121  
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
122 122  
123 -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]]
127 +== Pin Mapping & LED ==
124 124  
125 -[[image:image-20220726135239-1.png]]
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126 126  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
127 127  
128 -(% 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 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
129 129  
130 -[[image:image-20220726135356-2.png]]
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
131 131  
137 +=== Items needed for update ===
132 132  
133 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
134 134  
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
135 135  
136 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
137 137  
146 +=== Connection ===
138 138  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
139 139  
140 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
141 141  
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
142 142  
143 -(% style="color:blue" %)**1.  Open project**
157 +Connect USB TTL Adapter to PC after connecting the wires
144 144  
145 145  
146 -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]]
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
147 147  
148 148  
149 -[[image:image-20220723172502-8.png]]
163 +=== Upgrade steps ===
150 150  
165 +==== Switch SW1 to put in ISP position ====
151 151  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
152 152  
153 -(% 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**
154 154  
170 +==== Press the RST switch once ====
155 155  
156 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
157 157  
158 158  
175 +==== Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
159 159  
160 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
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  
179 +[[image:image-20220602103227-6.png]]
162 162  
163 -(% style="color:blue" %)**1.  Open project**
181 +[[image:image-20220602103357-7.png]]
164 164  
165 165  
166 -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]]
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 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
170 170  
190 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
191 +**3. Select the bin file to burn**
171 171  
193 +[[image:image-20220602104144-9.png]]
172 172  
173 -(% 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**
195 +[[image:image-20220602104251-10.png]]
174 174  
197 +[[image:image-20220602104402-11.png]]
175 175  
176 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
177 177  
200 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
201 +**4. Click to start the download**
178 178  
203 +[[image:image-20220602104923-13.png]]
179 179  
180 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
181 181  
182 -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/]]
206 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
207 +**5. Check update process**
183 183  
184 -[[image:image-20220723175700-12.png||height="602" width="995"]]
209 +[[image:image-20220602104948-14.png]]
185 185  
186 186  
212 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
213 +**The following picture shows that the burning is successful**
187 187  
188 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
215 +[[image:image-20220602105251-15.png]]
189 189  
190 190  
191 -=== 1.8.1  Items needed for update ===
218 +== Order Info ==
192 192  
220 +Part Number: **LA66-LoRaWAN-Shield-XXX**
193 193  
194 -1. LA66 LoRaWAN Shield
195 -1. Arduino
196 -1. USB TO TTL Adapter
222 +**XX**: The default frequency band
197 197  
198 -[[image:image-20220602100052-2.png||height="385" width="600"]]
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
199 199  
234 +== Package Info ==
200 200  
236 +* LA66 LoRaWAN Shield x 1
237 +* RF Antenna x 1
201 201  
202 -=== 1.8.2  Connection ===
239 += LA66 USB LoRaWAN Adapter =
203 203  
241 +== Overview ==
204 204  
205 -[[image:image-20220602101311-3.png||height="276" width="600"]]
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 -(((
209 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
210 -)))
246 +== Features ==
211 211  
212 -(((
213 -(% style="background-color:yellow" %)**GND  <-> GND
214 -TXD  <->  TXD
215 -RXD  <->  RXD**
216 -)))
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
217 217  
259 +== Specification ==
218 218  
219 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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
220 220  
221 -Connect USB TTL Adapter to PC after connecting the wires
277 +== Pin Mapping & LED ==
222 222  
279 +== Example Send & Get Messages via LoRaWAN in PC ==
223 223  
224 -[[image:image-20220602102240-4.png||height="304" width="600"]]
281 +Connect the LA66 LoRa Shield to the PC
225 225  
283 +[[image:image-20220602171217-1.png||height="615" width="915"]]
226 226  
285 +Open the serial port tool
227 227  
228 -=== 1.8.3  Upgrade steps ===
287 +[[image:image-20220602161617-8.png]]
229 229  
289 +[[image:image-20220602161718-9.png||height="529" width="927"]]
230 230  
291 +Press the reset switch RST on the LA66 LoRa Shield.
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
293 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
233 233  
295 +[[image:image-20220602161935-10.png]]
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
297 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
236 236  
299 +example: AT+SENDB=01,02,8,05820802581ea0a5
237 237  
301 +[[image:image-20220602162157-11.png]]
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
303 +Check to see if TTN received the message
240 240  
305 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
241 241  
242 -[[image:image-20220817085447-1.png]]
307 +== Example Send & Get Messages via LoRaWAN in RPi ==
243 243  
309 +Connect the LA66 LoRa Shield to the RPI
244 244  
311 +[[image:image-20220602171233-2.png||height="592" width="881"]]
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
313 +Log in to the RPI's terminal and connect to the serial port
247 247  
315 +[[image:image-20220602153146-3.png]]
248 248  
249 -(((
250 -(% 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/]]**
251 -)))
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
252 252  
320 +[[image:image-20220602154928-5.png]]
253 253  
254 -[[image:image-20220602103227-6.png]]
322 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
255 255  
324 +example: AT+SENDB=01,02,8,05820802581ea0a5
256 256  
257 -[[image:image-20220602103357-7.png]]
326 +[[image:image-20220602160339-6.png]]
258 258  
328 +Check to see if TTN received the message
259 259  
330 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
260 260  
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
332 +=== Install Minicom ===
263 263  
334 +Enter the following command in the RPI terminal
264 264  
265 -[[image:image-20220602103844-8.png]]
336 +apt update
266 266  
338 +[[image:image-20220602143155-1.png]]
267 267  
340 +apt install minicom
268 268  
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
342 +[[image:image-20220602143744-2.png]]
271 271  
344 +=== Send PC's CPU/RAM usage to TTN via script. ===
272 272  
273 -[[image:image-20220602104144-9.png]]
346 +==== Take python as an example： ====
274 274  
348 +===== Preconditions: =====
275 275  
276 -[[image:image-20220602104251-10.png]]
350 +1.LA66 USB LoRaWAN Adapter works fine
277 277  
352 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
278 278  
279 -[[image:image-20220602104402-11.png]]
354 +===== Steps for usage =====
280 280  
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 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
360 +[[image:image-20220602115852-3.png]]
285 285  
286 -[[image:image-20220602104923-13.png]]
287 287  
288 288  
364 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
289 289  
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
292 292  
367 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
293 293  
294 -[[image:image-20220602104948-14.png]]
295 295  
296 296  
371 +== Order Info ==
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
373 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
300 300  
301 -[[image:image-20220602105251-15.png]]
375 +**XX**: The default frequency band
302 302  
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
303 303  
387 +== Package Info ==
304 304  
305 -= 2.  FAQ =
389 +* LA66 USB LoRaWAN Adapter x 1
306 306  
307 -
308 -== 2.1  How to Compile Source Code for LA66? ==
309 -
310 -
311 -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]]
312 -
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -= 4.  Reference =
334 -
335 -
336 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
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