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Last modified by Xiaoling on 2023/05/26 14:19
From version 166.1
edited by Edwin Chen
on 2022/11/09 15:19
Change comment: There is no comment for this version
To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Content
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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
... ... @@ -87,354 +87,288 @@
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. ==
71 +== Order Info ==
108 108  
73 +Part Number: **LA66-XXX**
109 109  
110 -**Show connection diagram：**
75 +**XX**: The default frequency band
111 111  
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
112 112  
113 -[[image:image-20220723170210-2.png||height="908" width="681"]]
114 114  
88 += LA66 LoRaWAN Shield =
115 115  
90 +== Overview ==
116 116  
117 -(% style="color:blue" %)**1.  open Arduino IDE**
92 +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.
118 118  
119 119  
120 -[[image:image-20220723170545-4.png]]
95 +== Features ==
121 121  
97 +* Arduino Shield base on LA66 LoRaWAN module
98 +* Support LoRaWAN v1.0.4 protocol
99 +* Support peer-to-peer protocol
100 +* TCXO crystal to ensure RF performance on low temperature
101 +* SMA connector
102 +* Available in different frequency LoRaWAN frequency bands.
103 +* World-wide unique OTAA keys.
104 +* AT Command via UART-TTL interface
105 +* Firmware upgradable via UART interface
106 +* Ultra-long RF range
122 122  
108 +== Specification ==
123 123  
124 -(% style="color:blue" %)**2.  Open project**
110 +* CPU: 32-bit 48 MHz
111 +* Flash: 256KB
112 +* RAM: 64KB
113 +* Input Power Range: 1.8v ~~ 3.7v
114 +* Power Consumption: < 4uA.
115 +* Frequency Range: 150 MHz ~~ 960 MHz
116 +* Maximum Power +22 dBm constant RF output
117 +* High sensitivity: -148 dBm
118 +* Temperature:
119 +** Storage: -55 ~~ +125℃
120 +** Operating: -40 ~~ +85℃
121 +* Humidity:
122 +** Storage: 5 ~~ 95% (Non-Condensing)
123 +** Operating: 10 ~~ 95% (Non-Condensing)
124 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
125 +* LoRa Rx current: <9 mA
126 +* I/O Voltage: 3.3v
125 125  
128 +== Pin Mapping & LED ==
126 126  
127 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
129 -[[image:image-20220726135239-1.png]]
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
131 131  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
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**
138 +=== what needs to be used ===
134 134  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
135 135  
136 -[[image:image-20220726135356-2.png]]
142 +2.Arduino
137 137  
144 +3.USB TO TTL
138 138  
146 +[[image:image-20220602100052-2.png]]
139 139  
140 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
148 +=== Wiring Schematic ===
141 141  
150 +[[image:image-20220602101311-3.png]]
142 142  
143 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
144 144  
154 +GND  >>>>>>>>>>>>GND
145 145  
156 +TXD  >>>>>>>>>>>>TXD
146 146  
147 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
158 +RXD  >>>>>>>>>>>>RXD
148 148  
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
149 149  
150 -(% style="color:blue" %)**1.  Open project**
162 +Connect to the PC after connecting the wires
151 151  
164 +[[image:image-20220602102240-4.png]]
152 152  
153 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
166 +=== Upgrade steps ===
154 154  
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
155 155  
156 -[[image:image-20220723172502-8.png]]
170 +[[image:image-20220602102824-5.png]]
157 157  
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
158 158  
174 +[[image:image-20220602104701-12.png]]
159 159  
160 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
176 +==== Open the upgrade application software ====
161 161  
178 +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/]]
162 162  
163 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
180 +[[image:image-20220602103227-6.png]]
164 164  
182 +[[image:image-20220602103357-7.png]]
165 165  
184 +===== Select the COM port corresponding to USB TTL =====
166 166  
167 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
186 +[[image:image-20220602103844-8.png]]
168 168  
188 +===== Select the bin file to burn =====
169 169  
170 -(% style="color:blue" %)**1.  Open project**
190 +[[image:image-20220602104144-9.png]]
171 171  
192 +[[image:image-20220602104251-10.png]]
172 172  
173 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0>>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
194 +[[image:image-20220602104402-11.png]]
174 174  
196 +===== Click to start the download =====
175 175  
176 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
198 +[[image:image-20220602104923-13.png]]
177 177  
200 +===== The following figure appears to prove that the burning is in progress =====
178 178  
202 +[[image:image-20220602104948-14.png]]
179 179  
180 -(% 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**
204 +===== The following picture appears to prove that the burning is successful =====
181 181  
206 +[[image:image-20220602105251-15.png]]
182 182  
183 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
208 +(% class="wikigeneratedid" %)
209 += =
184 184  
211 +== Order Info ==
185 185  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
186 186  
215 +**XX**: The default frequency band
187 187  
217 +* **AS923**: LoRaWAN AS923 band
218 +* **AU915**: LoRaWAN AU915 band
219 +* **EU433**: LoRaWAN EU433 band
220 +* **EU868**: LoRaWAN EU868 band
221 +* **KR920**: LoRaWAN KR920 band
222 +* **US915**: LoRaWAN US915 band
223 +* **IN865**: LoRaWAN IN865 band
224 +* **CN470**: LoRaWAN CN470 band
225 +* **PP**: Peer to Peer LoRa Protocol
188 188  
189 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
190 190  
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
191 191  
192 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
193 193  
194 194  
195 -[[image:image-20220723175700-12.png||height="602" width="995"]]
196 196  
197 197  
198 198  
199 -== 1.8  Example: How to join helium ==
238 += LA66 USB LoRaWAN Adapter =
200 200  
240 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
201 201  
202 -(% style="color:blue" %)**1.  Create a new device.**
242 +Before use, please make sure that the computer has installed the CP2102 driver
203 203  
244 +== Pin Mapping & LED ==
204 204  
205 -[[image:image-20220907165500-1.png||height="464" width="940"]]
246 +== Example Send & Get Messages via LoRaWAN in PC ==
206 206  
248 +Connect the LA66 LoRa Shield to the PC
207 207  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
208 208  
209 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
252 +Open the serial port tool
210 210  
254 +[[image:image-20220602161617-8.png]]
211 211  
212 -[[image:image-20220907165837-2.png||height="375" width="809"]]
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
213 213  
258 +Press the reset switch RST on the LA66 LoRa Shield.
214 214  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
215 215  
216 -(% style="color:blue" %)**3.  Use AT commands.**
262 +[[image:image-20220602161935-10.png]]
217 217  
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 218  
219 -[[image:image-20220602100052-2.png||height="385" width="600"]]
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
220 220  
268 +[[image:image-20220602162157-11.png]]
221 221  
270 +Check to see if TTN received the message
222 222  
223 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
224 224  
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
225 225  
226 -[[image:image-20220907170308-3.png||height="556" width="617"]]
276 +Connect the LA66 LoRa Shield to the RPI
227 227  
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
228 228  
280 +Log in to the RPI's terminal and connect to the serial port
229 229  
230 -(% style="color:blue" %)**5.  Network successfully.**
282 +[[image:image-20220602153146-3.png]]
231 231  
284 +Press the reset switch RST on the LA66 LoRa Shield.
285 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
232 232  
233 -[[image:image-20220907170436-4.png]]
287 +[[image:image-20220602154928-5.png]]
234 234  
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
235 235  
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
236 236  
237 -(% style="color:blue" %)**6.  Send uplink using command**
293 +[[image:image-20220602160339-6.png]]
238 238  
295 +Check to see if TTN received the message
239 239  
240 -[[image:image-20220912084334-1.png]]
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
241 241  
299 +=== Install Minicom ===
242 242  
243 -[[image:image-20220912084412-3.png]]
301 +Enter the following command in the RPI terminal
244 244  
303 +apt update
245 245  
305 +[[image:image-20220602143155-1.png]]
246 246  
247 -[[image:image-20220907170744-6.png||height="242" width="798"]]
307 +apt install minicom
248 248  
309 +[[image:image-20220602143744-2.png]]
249 249  
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
250 250  
251 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
313 +==== Take python as an example： ====
252 252  
315 +===== Preconditions: =====
253 253  
254 -=== 1.9.1  Items needed for update ===
317 +1.LA66 USB LoRaWAN Adapter works fine
255 255  
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
256 256  
257 -1. LA66 LoRaWAN Shield
258 -1. Arduino
259 -1. USB TO TTL Adapter
321 +===== Steps for usage =====
260 260  
261 -[[image:image-20220602100052-2.png||height="385" width="600"]]
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
262 262  
325 +2.Run the script and see the TTN
263 263  
327 +[[image:image-20220602115852-3.png]]
264 264  
265 -=== 1.9.2  Connection ===
266 266  
267 267  
268 -[[image:image-20220602101311-3.png||height="276" width="600"]]
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
269 269  
270 270  
271 -(((
272 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
273 -)))
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
274 274  
275 -(((
276 -(% style="background-color:yellow" %)**GND  <-> GND
277 -TXD  <->  TXD
278 -RXD  <->  RXD**
279 -)))
280 -
281 -
282 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
283 -
284 -Connect USB TTL Adapter to PC after connecting the wires
285 -
286 -
287 -[[image:image-20220602102240-4.png||height="304" width="600"]]
288 -
289 -
290 -
291 -=== 1.9.3  Upgrade steps ===
292 -
293 -
294 -
295 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
296 -
297 -
298 -[[image:image-20220602102824-5.png||height="306" width="600"]]
299 -
300 -
301 -
302 -
303 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
304 -
305 -
306 -[[image:image-20220817085447-1.png]]
307 -
308 -
309 -
310 -
311 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
312 -
313 -
314 -
315 -(((
316 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
317 -)))
318 -
319 -
320 -[[image:image-20220602103227-6.png]]
321 -
322 -
323 -[[image:image-20220602103357-7.png]]
324 -
325 -
326 -
327 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
328 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
329 -
330 -
331 -[[image:image-20220602103844-8.png]]
332 -
333 -
334 -
335 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
336 -(% style="color:blue" %)**3.  Select the bin file to burn**
337 -
338 -
339 -[[image:image-20220602104144-9.png]]
340 -
341 -
342 -[[image:image-20220602104251-10.png]]
343 -
344 -
345 -[[image:image-20220602104402-11.png]]
346 -
347 -
348 -
349 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
350 -(% style="color:blue" %)**4.  Click to start the download**
351 -
352 -
353 -[[image:image-20220602104923-13.png]]
354 -
355 -
356 -
357 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
358 -(% style="color:blue" %)**5.  Check update process**
359 -
360 -
361 -[[image:image-20220602104948-14.png]]
362 -
363 -
364 -
365 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
366 -(% style="color:blue" %)**The following picture shows that the burning is successful**
367 -
368 -
369 -[[image:image-20220602105251-15.png]]
370 -
371 -
372 -
373 -= 2.  FAQ =
374 -
375 -
376 -== 2.1  How to Compile Source Code for LA66? ==
377 -
378 -
379 -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]]
380 -
381 -
382 -
383 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
384 -
385 -
386 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
387 -
388 -
389 -
390 -= 3.  Order Info =
391 -
392 -
393 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
394 -
395 -
396 -(% style="color:blue" %)**XXX**(%%): The default frequency band
397 -
398 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
399 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
400 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
401 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
402 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
403 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
404 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
405 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
406 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
407 -
408 -
409 -= 4.  Reference =
410 -
411 -
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
413 -
414 -
415 -= 5.  FCC Statement =
416 -
417 -
418 -(% style="color:red" %)**FCC Caution:**
419 -
420 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
421 -
422 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
423 -
424 -
425 -(% style="color:red" %)**IMPORTANT NOTE: **
426 -
427 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
428 -
429 -—Reorient or relocate the receiving antenna.
430 -
431 -—Increase the separation between the equipment and receiver.
432 -
433 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
434 -
435 -—Consult the dealer or an experienced radio/TV technician for help.
436 -
437 -
438 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
439 -
440 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 
336 +
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