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Last modified by Xiaoling on 2023/09/19 09:20
From version 93.2
edited by Xiaoling
on 2022/07/15 14:35
Change comment: There is no comment for this version
To version 148.7
edited by Xiaoling
on 2022/10/10 11:34
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
... ... @@ -13,104 +13,27 @@
13 13  
14 14  
15 15  (((
16 -[[image:image-20220715000242-1.png||height="110" width="132"]]
17 -
18 -(% 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.
19 -)))
20 -
21 21  (((
22 -(% 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.
17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
23 23  )))
24 24  
25 25  (((
26 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
21 +
27 27  )))
28 28  
29 29  (((
30 -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.
25 +(% 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.
31 31  )))
32 -
33 -(((
34 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35 35  )))
36 36  
37 -
38 -== 1.2  Features ==
39 -
40 -* Support LoRaWAN v1.0.4 protocol
41 -* Support peer-to-peer protocol
42 -* TCXO crystal to ensure RF performance on low temperature
43 -* SMD Antenna pad and i-pex antenna connector
44 -* Available in different frequency LoRaWAN frequency bands.
45 -* World-wide unique OTAA keys.
46 -* AT Command via UART-TTL interface
47 -* Firmware upgradable via UART interface
48 -* Ultra-long RF range
49 -
50 -
51 -
52 -== 1.3  Specification ==
53 -
54 -* CPU: 32-bit 48 MHz
55 -* Flash: 256KB
56 -* RAM: 64KB
57 -* Input Power Range: 1.8v ~~ 3.7v
58 -* Power Consumption: < 4uA.
59 -* Frequency Range: 150 MHz ~~ 960 MHz
60 -* Maximum Power +22 dBm constant RF output
61 -* High sensitivity: -148 dBm
62 -* Temperature:
63 -** Storage: -55 ~~ +125℃
64 -** Operating: -40 ~~ +85℃
65 -* Humidity:
66 -** Storage: 5 ~~ 95% (Non-Condensing)
67 -** Operating: 10 ~~ 95% (Non-Condensing)
68 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
69 -* LoRa Rx current: <9 mA
70 -* I/O Voltage: 3.3v
71 -
72 -
73 -
74 -== 1.4  AT Command ==
75 -
76 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
77 -
78 -
79 -== 1.5  Dimension ==
80 -
81 -[[image:image-20220517072526-1.png]]
82 -
83 -
84 -
85 -== 1.6  Pin Mapping ==
86 -
87 -
88 -[[image:image-20220523101537-1.png]]
89 -
90 -
91 -
92 -== 1.7  Land Pattern ==
93 -
94 -[[image:image-20220517072821-2.png]]
95 -
96 -
97 -
98 -= 2.  LA66 LoRaWAN Shield =
99 -
100 -
101 -== 2.1  Overview ==
102 -
103 -
104 -[[image:image-20220715000826-2.png||height="386" width="449"]]
105 -
106 -
107 -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.
108 -
109 109  (((
110 -(% 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.
30 +(((
31 +(% 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.
111 111  )))
33 +)))
112 112  
113 113  (((
36 +(((
114 114  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
115 115  )))
116 116  
... ... @@ -117,19 +117,23 @@
117 117  (((
118 118  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.
119 119  )))
43 +)))
120 120  
121 121  (((
46 +(((
122 122  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
123 123  )))
49 +)))
124 124  
125 125  
126 -== 2.2  Features ==
127 127  
128 -* Arduino Shield base on LA66 LoRaWAN module
129 -* Support LoRaWAN v1.0.4 protocol
53 +== 1.2  Features ==
54 +
55 +
56 +* Support LoRaWAN v1.0.3 protocol
130 130  * Support peer-to-peer protocol
131 131  * TCXO crystal to ensure RF performance on low temperature
132 -* SMA connector
59 +* SMD Antenna pad and i-pex antenna connector
133 133  * Available in different frequency LoRaWAN frequency bands.
134 134  * World-wide unique OTAA keys.
135 135  * AT Command via UART-TTL interface
... ... @@ -138,8 +138,9 @@
138 138  
139 139  
140 140  
141 -== 2.3  Specification ==
68 +== 1.3  Specification ==
142 142  
70 +
143 143  * CPU: 32-bit 48 MHz
144 144  * Flash: 256KB
145 145  * RAM: 64KB
... ... @@ -160,343 +160,101 @@
160 160  
161 161  
162 162  
163 -== 2.4  Pin Mapping & LED ==
91 +== 1.4  AT Command ==
164 164  
165 165  
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
166 166  
167 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
168 168  
169 169  
98 +== 1.5  Dimension ==
170 170  
171 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
172 172  
101 +[[image:image-20220718094750-3.png]]
173 173  
174 174  
175 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
176 176  
105 +== 1.6  Pin Mapping ==
177 177  
107 +[[image:image-20220720111850-1.png]]
178 178  
179 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
180 180  
181 181  
182 -=== 2.8.1  Items needed for update ===
111 +== 1.7  Land Pattern ==
183 183  
184 -1. LA66 LoRaWAN Shield
185 -1. Arduino
186 -1. USB TO TTL Adapter
187 187  
188 -[[image:image-20220602100052-2.png||height="385" width="600"]]
114 +[[image:image-20220517072821-2.png]]
189 189  
190 190  
191 -=== 2.8.2  Connection ===
192 192  
118 += 2.  FAQ =
193 193  
194 -[[image:image-20220602101311-3.png||height="276" width="600"]]
195 195  
121 +== 2.1  How to Compile Source Code for LA66? ==
196 196  
197 -(((
198 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
199 -)))
200 200  
201 -(((
202 -(% style="background-color:yellow" %)**GND  <-> GND
203 -TXD  <->  TXD
204 -RXD  <->  RXD**
205 -)))
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
206 206  
207 207  
208 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
209 209  
210 -Connect USB TTL Adapter to PC after connecting the wires
128 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
211 211  
212 212  
213 -[[image:image-20220602102240-4.png||height="304" width="600"]]
131 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
214 214  
215 215  
216 -=== 2.8.3  Upgrade steps ===
217 217  
135 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
218 218  
219 -==== 1.  Switch SW1 to put in ISP position ====
220 220  
138 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
221 221  
222 -[[image:image-20220602102824-5.png||height="306" width="600"]]
223 223  
224 224  
142 += 3.  Order Info =
225 225  
226 -==== 2.  Press the RST switch once ====
227 227  
145 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
228 228  
229 -[[image:image-20220602104701-12.png||height="285" width="600"]]
230 230  
148 +(% style="color:blue" %)**XXX**(%%): The default frequency band
231 231  
150 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
151 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
152 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
153 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
154 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
155 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
156 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
157 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
158 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
232 232  
233 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
234 234  
235 235  
236 -(((
237 -(% 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/]]**
238 -)))
239 239  
163 += 4.  FCC Statement =
240 240  
241 -[[image:image-20220602103227-6.png]]
242 242  
166 +(% style="color:red" %)**FCC Caution:**
243 243  
244 -[[image:image-20220602103357-7.png]]
168 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
245 245  
170 +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.
246 246  
247 247  
248 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
249 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
173 +(% style="color:red" %)**IMPORTANT NOTE: **
250 250  
175 +(% 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:
251 251  
252 -[[image:image-20220602103844-8.png]]
177 +—Reorient or relocate the receiving antenna.
253 253  
179 +—Increase the separation between the equipment and receiver.
254 254  
181 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
255 255  
256 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
257 -(% style="color:blue" %)**3. Select the bin file to burn**
183 +—Consult the dealer or an experienced radio/TV technician for help.
258 258  
259 259  
260 -[[image:image-20220602104144-9.png]]
186 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
261 261  
262 -
263 -[[image:image-20220602104251-10.png]]
264 -
265 -
266 -[[image:image-20220602104402-11.png]]
267 -
268 -
269 -
270 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
271 -(% style="color:blue" %)**4. Click to start the download**
272 -
273 -[[image:image-20220602104923-13.png]]
274 -
275 -
276 -
277 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
278 -(% style="color:blue" %)**5. Check update process**
279 -
280 -
281 -[[image:image-20220602104948-14.png]]
282 -
283 -
284 -
285 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
286 -(% style="color:blue" %)**The following picture shows that the burning is successful**
287 -
288 -[[image:image-20220602105251-15.png]]
289 -
290 -
291 -
292 -= 3.  LA66 USB LoRaWAN Adapter =
293 -
294 -
295 -== 3.1  Overview ==
296 -
297 -[[image:image-20220715001142-3.png||height="145" width="220"]]
298 -
299 -(% style="color:blue" %)**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.
300 -
301 -(% 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.
302 -
303 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
304 -
305 -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.
306 -
307 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
308 -
309 -
310 -== 3.2  Features ==
311 -
312 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
313 -* Ultra-long RF range
314 -* Support LoRaWAN v1.0.4 protocol
315 -* Support peer-to-peer protocol
316 -* TCXO crystal to ensure RF performance on low temperature
317 -* Spring RF antenna
318 -* Available in different frequency LoRaWAN frequency bands.
319 -* World-wide unique OTAA keys.
320 -* AT Command via UART-TTL interface
321 -* Firmware upgradable via UART interface
322 -
323 -
324 -
325 -== 3.3  Specification ==
326 -
327 -* CPU: 32-bit 48 MHz
328 -* Flash: 256KB
329 -* RAM: 64KB
330 -* Input Power Range: 5v
331 -* Frequency Range: 150 MHz ~~ 960 MHz
332 -* Maximum Power +22 dBm constant RF output
333 -* High sensitivity: -148 dBm
334 -* Temperature:
335 -** Storage: -55 ~~ +125℃
336 -** Operating: -40 ~~ +85℃
337 -* Humidity:
338 -** Storage: 5 ~~ 95% (Non-Condensing)
339 -** Operating: 10 ~~ 95% (Non-Condensing)
340 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
341 -* LoRa Rx current: <9 mA
342 -
343 -
344 -
345 -== 3.4  Pin Mapping & LED ==
346 -
347 -
348 -
349 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
350 -
351 -
352 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
353 -
354 -
355 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
356 -
357 -
358 -[[image:image-20220602171217-1.png||height="538" width="800"]]
359 -
360 -
361 -Open the serial port tool
362 -
363 -[[image:image-20220602161617-8.png]]
364 -
365 -[[image:image-20220602161718-9.png||height="457" width="800"]]
366 -
367 -
368 -
369 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
370 -
371 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
372 -
373 -
374 -[[image:image-20220602161935-10.png||height="498" width="800"]]
375 -
376 -
377 -
378 -(% style="color:blue" %)**3. See Uplink Command**
379 -
380 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
381 -
382 -example: AT+SENDB=01,02,8,05820802581ea0a5
383 -
384 -[[image:image-20220602162157-11.png||height="497" width="800"]]
385 -
386 -
387 -
388 -(% style="color:blue" %)**4. Check to see if TTN received the message**
389 -
390 -[[image:image-20220602162331-12.png||height="420" width="800"]]
391 -
392 -
393 -
394 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
395 -
396 -
397 -**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]]
398 -
399 -
400 -(% style="color:red" %)**Preconditions:**
401 -
402 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
403 -
404 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
405 -
406 -
407 -
408 -(% style="color:blue" %)**Steps for usage:**
409 -
410 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
411 -
412 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
413 -
414 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
415 -
416 -
417 -
418 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
419 -
420 -
421 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
422 -
423 -
424 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
425 -
426 -[[image:image-20220602171233-2.png||height="538" width="800"]]
427 -
428 -
429 -
430 -(% style="color:blue" %)**2. Install Minicom in RPi.**
431 -
432 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
433 -
434 - (% style="background-color:yellow" %)**apt update**
435 -
436 - (% style="background-color:yellow" %)**apt install minicom**
437 -
438 -
439 -Use minicom to connect to the RPI's terminal
440 -
441 -[[image:image-20220602153146-3.png||height="439" width="500"]]
442 -
443 -
444 -
445 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
446 -
447 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
448 -
449 -
450 -[[image:image-20220602154928-5.png||height="436" width="500"]]
451 -
452 -
453 -
454 -(% style="color:blue" %)**4. Send Uplink message**
455 -
456 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
457 -
458 -example: AT+SENDB=01,02,8,05820802581ea0a5
459 -
460 -
461 -[[image:image-20220602160339-6.png||height="517" width="600"]]
462 -
463 -
464 -
465 -Check to see if TTN received the message
466 -
467 -[[image:image-20220602160627-7.png||height="369" width="800"]]
468 -
469 -
470 -
471 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
472 -
473 -
474 -
475 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
476 -
477 -
478 -
479 -
480 -= 4.  Order Info =
481 -
482 -
483 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
484 -
485 -
486 -(% style="color:blue" %)**XXX**(%%): The default frequency band
487 -
488 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
489 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
490 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
491 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
492 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
493 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
494 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
495 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
496 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
497 -
498 -= 5.  Reference =
499 -
500 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
501 -
502 -
188 +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.
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