Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 147.3 >
edited by Xiaoling
on 2022/08/17 08:53
To version < 87.2 >
edited by Xiaoling
on 2022/07/13 09:34
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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
... ... @@ -1,61 +1,100 @@
1 1  
2 2  
3 -**Table of Contents:**
3 +{{box cssClass="floatinginfobox" title="**Contents**"}}
4 +{{toc/}}
5 +{{/box}}
4 4  
5 5  {{toc/}}
6 6  
7 7  
8 8  
11 += 1.  LA66 LoRaWAN Module =
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 11  
14 +== 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 -== 1.1  Overview ==
14 14  
17 +(% 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.
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 +(% 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.
19 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  
53 -
54 54  == 1.2  Features ==
55 55  
30 +* Support LoRaWAN v1.0.4 protocol
31 +* Support peer-to-peer protocol
32 +* TCXO crystal to ensure RF performance on low temperature
33 +* SMD Antenna pad and i-pex antenna connector
34 +* Available in different frequency LoRaWAN frequency bands.
35 +* World-wide unique OTAA keys.
36 +* AT Command via UART-TTL interface
37 +* Firmware upgradable via UART interface
38 +* Ultra-long RF range
56 56  
40 +
41 +== 1.3  Specification ==
42 +
43 +* CPU: 32-bit 48 MHz
44 +* Flash: 256KB
45 +* RAM: 64KB
46 +* Input Power Range: 1.8v ~~ 3.7v
47 +* Power Consumption: < 4uA.
48 +* Frequency Range: 150 MHz ~~ 960 MHz
49 +* Maximum Power +22 dBm constant RF output
50 +* High sensitivity: -148 dBm
51 +* Temperature:
52 +** Storage: -55 ~~ +125℃
53 +** Operating: -40 ~~ +85℃
54 +* Humidity:
55 +** Storage: 5 ~~ 95% (Non-Condensing)
56 +** Operating: 10 ~~ 95% (Non-Condensing)
57 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
58 +* LoRa Rx current: <9 mA
59 +* I/O Voltage: 3.3v
60 +
61 +
62 +== 1.4  AT Command ==
63 +
64 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
65 +
66 +
67 +== 1.5  Dimension ==
68 +
69 +[[image:image-20220517072526-1.png]]
70 +
71 +
72 +
73 +== 1.6  Pin Mapping ==
74 +
75 +
76 +[[image:image-20220523101537-1.png]]
77 +
78 +
79 +
80 +== 1.7  Land Pattern ==
81 +
82 +[[image:image-20220517072821-2.png]]
83 +
84 +
85 +
86 += 2.  LA66 LoRaWAN Shield =
87 +
88 +
89 +== 2.1  Overview ==
90 +
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.
92 +
93 +
94 +== 2.2  Features ==
95 +
57 57  * Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
97 +* 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 61  * SMA connector
... ... @@ -66,9 +66,8 @@
66 66  * Ultra-long RF range
67 67  
68 68  
69 -== 1.3  Specification ==
108 +== 2.3  Specification ==
70 70  
71 -
72 72  * CPU: 32-bit 48 MHz
73 73  * Flash: 256KB
74 74  * RAM: 64KB
... ... @@ -88,251 +88,297 @@
88 88  * I/O Voltage: 3.3v
89 89  
90 90  
129 +== 2.4  Pin Mapping & LED ==
91 91  
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
133 +== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -[[image:image-20220817085048-1.png]]
97 97  
98 98  
99 -~1. The LED lights up red when there is an upstream data packet
100 -2. When the network is successfully connected, the green light will be on for 5 seconds
101 -3. Purple light on when receiving downlink data packets
137 +== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
102 102  
103 103  
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
141 +== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
106 106  
107 107  
108 -**Show connection diagram：**
109 109  
145 +== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
112 112  
148 +=== 2.8.1  Items needed for update ===
113 113  
150 +1. LA66 LoRaWAN Shield
151 +1. Arduino
152 +1. USB TO TTL Adapter
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
154 +[[image:image-20220602100052-2.png||height="385" width="600"]]
116 116  
117 117  
118 -[[image:image-20220723170545-4.png]]
157 +=== 2.8.2  Connection ===
119 119  
120 120  
160 +[[image:image-20220602101311-3.png||height="276" width="600"]]
121 121  
122 -(% style="color:blue" %)**2.  Open project**
123 123  
163 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
124 124  
125 -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]]
126 126  
127 -[[image:image-20220726135239-1.png]]
166 +(% style="background-color:yellow" %)**GND  <-> GND
167 +TXD  <->  TXD
168 +RXD  <->  RXD**
128 128  
129 129  
130 -(% 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**
171 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
131 131  
132 -[[image:image-20220726135356-2.png]]
173 +Connect USB TTL Adapter to PC after connecting the wires
133 133  
134 134  
135 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
176 +[[image:image-20220602102240-4.png||height="304" width="600"]]
136 136  
137 137  
138 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
179 +=== 2.8.3  Upgrade steps ===
139 139  
140 140  
182 +==== 1.  Switch SW1 to put in ISP position ====
141 141  
142 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
143 143  
185 +[[image:image-20220602102824-5.png||height="306" width="600"]]
144 144  
145 -(% style="color:blue" %)**1.  Open project**
146 146  
188 +==== 2.  Press the RST switch once ====
147 147  
148 -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]]
190 +[[image:image-20220602104701-12.png||height="285" width="600"]]
149 149  
150 150  
151 -[[image:image-20220723172502-8.png]]
193 +==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
152 152  
153 153  
196 +(% 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/]]**
154 154  
155 -(% 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**
156 156  
199 +[[image:image-20220602103227-6.png]]
157 157  
158 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
159 159  
202 +[[image:image-20220602103357-7.png]]
160 160  
161 161  
162 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
163 163  
206 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
207 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
164 164  
165 -(% style="color:blue" %)**1.  Open project**
166 166  
210 +[[image:image-20220602103844-8.png]]
167 167  
168 -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]]
169 169  
170 170  
171 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
214 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
215 +(% style="color:blue" %)**3. Select the bin file to burn**
172 172  
173 173  
218 +[[image:image-20220602104144-9.png]]
174 174  
175 -(% 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**
176 176  
221 +[[image:image-20220602104251-10.png]]
177 177  
178 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
179 179  
224 +[[image:image-20220602104402-11.png]]
180 180  
181 181  
182 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
183 183  
184 -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/]]
228 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
229 +(% style="color:blue" %)**4. Click to start the download**
185 185  
186 -[[image:image-20220723175700-12.png||height="602" width="995"]]
231 +[[image:image-20220602104923-13.png]]
187 187  
188 188  
234 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
235 +(% style="color:blue" %)**5. Check update process**
189 189  
190 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
191 191  
238 +[[image:image-20220602104948-14.png]]
192 192  
193 -=== 1.8.1  Items needed for update ===
194 194  
195 195  
196 -1. LA66 LoRaWAN Shield
197 -1. Arduino
198 -1. USB TO TTL Adapter
242 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
243 +(% style="color:blue" %)**The following picture shows that the burning is successful**
199 199  
200 -[[image:image-20220602100052-2.png||height="385" width="600"]]
245 +[[image:image-20220602105251-15.png]]
201 201  
202 202  
203 203  
204 -=== 1.8.2  Connection ===
249 += 3.  LA66 USB LoRaWAN Adapter =
205 205  
206 206  
207 -[[image:image-20220602101311-3.png||height="276" width="600"]]
252 +== 3.1  Overview ==
208 208  
254 +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.
209 209  
210 -(((
211 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
212 -)))
213 213  
214 -(((
215 -(% style="background-color:yellow" %)**GND  <-> GND
216 -TXD  <->  TXD
217 -RXD  <->  RXD**
218 -)))
257 +== 3.2  Features ==
219 219  
259 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
260 +* Ultra-long RF range
261 +* Support LoRaWAN v1.0.4 protocol
262 +* Support peer-to-peer protocol
263 +* TCXO crystal to ensure RF performance on low temperature
264 +* Spring RF antenna
265 +* Available in different frequency LoRaWAN frequency bands.
266 +* World-wide unique OTAA keys.
267 +* AT Command via UART-TTL interface
268 +* Firmware upgradable via UART interface
220 220  
221 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
270 +== Specification ==
222 222  
223 -Connect USB TTL Adapter to PC after connecting the wires
272 +* CPU: 32-bit 48 MHz
273 +* Flash: 256KB
274 +* RAM: 64KB
275 +* Input Power Range: 5v
276 +* Frequency Range: 150 MHz ~~ 960 MHz
277 +* Maximum Power +22 dBm constant RF output
278 +* High sensitivity: -148 dBm
279 +* Temperature:
280 +** Storage: -55 ~~ +125℃
281 +** Operating: -40 ~~ +85℃
282 +* Humidity:
283 +** Storage: 5 ~~ 95% (Non-Condensing)
284 +** Operating: 10 ~~ 95% (Non-Condensing)
285 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
286 +* LoRa Rx current: <9 mA
224 224  
288 +== Pin Mapping & LED ==
225 225  
226 -[[image:image-20220602102240-4.png||height="304" width="600"]]
290 +== Example Send & Get Messages via LoRaWAN in PC ==
227 227  
292 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
228 228  
294 +~1. Connect the LA66 USB LoRaWAN adapter to PC
229 229  
230 -=== 1.8.3  Upgrade steps ===
296 +[[image:image-20220602171217-1.png||height="538" width="800"]]
231 231  
298 +Open the serial port tool
232 232  
300 +[[image:image-20220602161617-8.png]]
233 233  
234 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
302 +[[image:image-20220602161718-9.png||height="457" width="800"]]
235 235  
236 236  
237 -[[image:image-20220602102824-5.png||height="306" width="600"]]
305 +2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
238 238  
307 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
239 239  
309 +[[image:image-20220602161935-10.png||height="498" width="800"]]
240 240  
241 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
242 242  
312 +3. See Uplink Command
243 243  
244 -[[image:image-20220602104701-12.png||height="285" width="600"]]
314 +Command format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
245 245  
316 +example: AT+SENDB=01,02,8,05820802581ea0a5
246 246  
318 +[[image:image-20220602162157-11.png||height="497" width="800"]]
247 247  
248 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
249 249  
321 +4. Check to see if TTN received the message
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 -)))
323 +[[image:image-20220602162331-12.png||height="420" width="800"]]
254 254  
255 255  
256 -[[image:image-20220602103227-6.png]]
257 257  
327 +== Example:Send PC's CPU/RAM usage to TTN via python ==
258 258  
259 -[[image:image-20220602103357-7.png]]
329 +(% class="wikigeneratedid" id="HUsepythonasanexampleFF1A" %)
330 +**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]]
260 260  
332 +(% class="wikigeneratedid" id="HPreconditions:" %)
333 +**Preconditions:**
261 261  
335 +1.LA66 USB LoRaWAN Adapter works fine
262 262  
263 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
264 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
337 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
265 265  
339 +(% class="wikigeneratedid" id="HStepsforusage" %)
340 +**Steps for usage**
266 266  
267 -[[image:image-20220602103844-8.png]]
342 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
268 268  
344 +2.Run the python script in PC and see the TTN
269 269  
346 +[[image:image-20220602115852-3.png||height="450" width="1187"]]
270 270  
271 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
272 -(% style="color:blue" %)**3. Select the bin file to burn**
273 273  
274 274  
275 -[[image:image-20220602104144-9.png]]
350 +== Example Send & Get Messages via LoRaWAN in RPi ==
276 276  
352 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
277 277  
278 -[[image:image-20220602104251-10.png]]
354 +~1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
279 279  
356 +[[image:image-20220602171233-2.png||height="538" width="800"]]
280 280  
281 -[[image:image-20220602104402-11.png]]
282 282  
359 +2. Install Minicom in RPi.
283 283  
361 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
284 284  
285 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
286 -(% style="color:blue" %)**4. Click to start the download**
363 +(% class="mark" %)apt update
287 287  
288 -[[image:image-20220602104923-13.png]]
365 +(% class="mark" %)apt install minicom
289 289  
290 290  
368 +Use minicom to connect to the RPI's terminal
291 291  
292 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
293 -(% style="color:blue" %)**5. Check update process**
370 +[[image:image-20220602153146-3.png||height="439" width="500"]]
294 294  
295 295  
296 -[[image:image-20220602104948-14.png]]
373 +3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
374 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
297 297  
376 +[[image:image-20220602154928-5.png||height="436" width="500"]]
298 298  
299 299  
300 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
301 -(% style="color:blue" %)**The following picture shows that the burning is successful**
379 +4. Send Uplink message
302 302  
303 -[[image:image-20220602105251-15.png]]
381 +Format: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
304 304  
383 +example: AT+SENDB=01,02,8,05820802581ea0a5
305 305  
385 +[[image:image-20220602160339-6.png||height="517" width="600"]]
306 306  
307 -= 2.  FAQ =
387 +Check to see if TTN received the message
308 308  
389 +[[image:image-20220602160627-7.png||height="369" width="800"]]
309 309  
310 -== 2.1  How to Compile Source Code for LA66? ==
311 311  
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]]
393 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
314 314  
315 315  
396 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
316 316  
317 -= 3.  Order Info =
318 318  
319 319  
320 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
400 += Order Info =
321 321  
402 +Part Number:
322 322  
323 -(% style="color:blue" %)**XXX**(%%): The default frequency band
404 +**LA66-XXX**, **LA66-LoRaWAN-Shield-XXX** or **LA66-USB-LoRaWAN-Adapter-XXX**
324 324  
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
406 +**XXX**: The default frequency band
334 334  
335 -= 4.  Reference =
408 +* **AS923**: LoRaWAN AS923 band
409 +* **AU915**: LoRaWAN AU915 band
410 +* **EU433**: LoRaWAN EU433 band
411 +* **EU868**: LoRaWAN EU868 band
412 +* **KR920**: LoRaWAN KR920 band
413 +* **US915**: LoRaWAN US915 band
414 +* **IN865**: LoRaWAN IN865 band
415 +* **CN470**: LoRaWAN CN470 band
416 +* **PP**: Peer to Peer LoRa Protocol
336 336  
418 += Reference =
337 337  
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
420 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
421 +
422 +
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