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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.5
edited by Xiaoling
on 2022/10/10 11:39
Change comment: There is no comment for this version
To version 55.1
edited by Herong Lu
on 2022/06/02 16:19
Change comment: Uploaded new attachment "image-20220602161935-10.png", version {1}

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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.Lu
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 +**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 LoRa 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 program, create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
13 +**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12 12  
13 -== 1.1  Overview ==
14 14  
15 15  
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
17 +== Specification ==
19 19  
20 -(((
21 -
22 -)))
19 +[[image:image-20220517072526-1.png]]
23 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 -)))
21 +Input Power Range: 1.8v ~~ 3.7v
27 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 -)))
23 +Power Consumption: < 4uA.
33 33  
34 -(((
35 -(((
36 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
25 +Frequency Range: 150 MHz ~~ 960 MHz
39 39  
40 -(((
41 -(((
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 -)))
27 +Maximum Power +22 dBm constant RF output
45 45  
46 -(((
47 -(((
48 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
29 +High sensitivity: -148 dBm
51 51  
31 +Temperature:
52 52  
33 +* Storage: -55 ~~ +125℃
34 +* Operating: -40 ~~ +85℃
53 53  
54 -== 1.2  Features ==
36 +Humidity:
55 55  
38 +* Storage: 5 ~~ 95% (Non-Condensing)
39 +* Operating: 10 ~~ 95% (Non-Condensing)
56 56  
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
59 -* Support peer-to-peer protocol
60 -* TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
62 -* Available in different frequency LoRaWAN frequency bands.
63 -* World-wide unique OTAA keys.
64 -* AT Command via UART-TTL interface
65 -* Firmware upgradable via UART interface
66 -* Ultra-long RF range
41 +LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
67 67  
43 +LoRa Rx current: <9 mA
68 68  
45 +I/O Voltage: 3.3v
69 69  
70 -== 1.3  Specification ==
71 71  
48 +== AT Command ==
72 72  
73 -* CPU: 32-bit 48 MHz
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -* Input Power Range: 1.8v ~~ 3.7v
77 -* Power Consumption: < 4uA.
78 -* Frequency Range: 150 MHz ~~ 960 MHz
79 -* Maximum Power +22 dBm constant RF output
80 -* High sensitivity: -148 dBm
81 -* Temperature:
82 -** Storage: -55 ~~ +125℃
83 -** Operating: -40 ~~ +85℃
84 -* Humidity:
85 -** Storage: 5 ~~ 95% (Non-Condensing)
86 -** Operating: 10 ~~ 95% (Non-Condensing)
87 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
88 -* LoRa Rx current: <9 mA
89 -* I/O Voltage: 3.3v
50 +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 91  
53 +== Pin Mapping ==
92 92  
93 -== 1.4  Pin Mapping & LED ==
55 +[[image:image-20220523101537-1.png]]
94 94  
57 +== Land Pattern ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
59 +[[image:image-20220517072821-2.png]]
97 97  
98 98  
62 +== Part Number ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
64 +Part Number: **LA66-XXX**
103 103  
66 +**XX**: The default frequency band
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
68 +* **AS923**: LoRaWAN AS923 band
69 +* **AU915**: LoRaWAN AU915 band
70 +* **EU433**: LoRaWAN EU433 band
71 +* **EU868**: LoRaWAN EU868 band
72 +* **KR920**: LoRaWAN KR920 band
73 +* **US915**: LoRaWAN US915 band
74 +* **IN865**: LoRaWAN IN865 band
75 +* **CN470**: LoRaWAN CN470 band
106 106  
77 += LA66 LoRaWAN Shield =
107 107  
79 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
81 +== Pin Mapping & LED ==
110 110  
83 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
111 111  
112 -**Show connection diagram：**
85 +== Example: Join TTN network and send an uplink message, get downlink message. ==
113 113  
87 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
89 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
116 116  
91 +=== what needs to be used ===
117 117  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
95 +2.Arduino
120 120  
97 +3.USB TO TTL
121 121  
122 -[[image:image-20220723170545-4.png]]
99 +[[image:image-20220602100052-2.png]]
123 123  
101 +=== Wiring Schematic ===
124 124  
103 +[[image:image-20220602101311-3.png]]
125 125  
126 -(% style="color:blue" %)**2.  Open project**
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
127 127  
107 +GND  >>>>>>>>>>>>GND
128 128  
129 -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]]
109 +TXD  >>>>>>>>>>>>TXD
130 130  
111 +RXD  >>>>>>>>>>>>RXD
131 131  
132 -[[image:image-20220726135239-1.png]]
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
133 133  
115 +Connect to the PC after connecting the wires
134 134  
117 +[[image:image-20220602102240-4.png]]
135 135  
136 -(% 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**
119 +=== Upgrade steps ===
137 137  
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
138 138  
139 -[[image:image-20220726135356-2.png]]
123 +[[image:image-20220602102824-5.png]]
140 140  
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
141 141  
127 +[[image:image-20220602104701-12.png]]
142 142  
143 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
129 +==== Open the upgrade application software ====
144 144  
131 +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/]]
145 145  
146 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
147 -
148 -
149 -
150 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
151 -
152 -
153 -(% style="color:blue" %)**1.  Open project**
154 -
155 -
156 -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 -
158 -
159 -[[image:image-20220723172502-8.png]]
160 -
161 -
162 -
163 -(% 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**
164 -
165 -
166 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
167 -
168 -
169 -
170 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
171 -
172 -
173 -(% style="color:blue" %)**1.  Open project**
174 -
175 -
176 -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]]
177 -
178 -
179 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
180 -
181 -
182 -
183 -(% 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**
184 -
185 -
186 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
187 -
188 -
189 -
190 -
191 -
192 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
193 -
194 -
195 -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/]]
196 -
197 -
198 -[[image:image-20220723175700-12.png||height="602" width="995"]]
199 -
200 -
201 -
202 -== 1.8  Example: How to join helium ==
203 -
204 -
205 -(% style="color:blue" %)**1.  Create a new device.**
206 -
207 -
208 -[[image:image-20220907165500-1.png||height="464" width="940"]]
209 -
210 -
211 -
212 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
213 -
214 -
215 -[[image:image-20220907165837-2.png||height="375" width="809"]]
216 -
217 -
218 -
219 -(% style="color:blue" %)**3.  Use AT commands.**
220 -
221 -
222 -[[image:image-20220602100052-2.png||height="385" width="600"]]
223 -
224 -
225 -
226 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
227 -
228 -
229 -[[image:image-20220907170308-3.png||height="556" width="617"]]
230 -
231 -
232 -
233 -(% style="color:blue" %)**5.  Network successfully.**
234 -
235 -
236 -[[image:image-20220907170436-4.png]]
237 -
238 -
239 -
240 -(% style="color:blue" %)**6.  Send uplink using command**
241 -
242 -
243 -[[image:image-20220912084334-1.png]]
244 -
245 -
246 -[[image:image-20220912084412-3.png]]
247 -
248 -
249 -
250 -[[image:image-20220907170744-6.png||height="242" width="798"]]
251 -
252 -
253 -
254 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
255 -
256 -
257 -=== 1.9.1  Items needed for update ===
258 -
259 -
260 -1. LA66 LoRaWAN Shield
261 -1. Arduino
262 -1. USB TO TTL Adapter
263 -
264 -[[image:image-20220602100052-2.png||height="385" width="600"]]
265 -
266 -
267 -
268 -=== 1.9.2  Connection ===
269 -
270 -
271 -[[image:image-20220602101311-3.png||height="276" width="600"]]
272 -
273 -
274 -(((
275 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
276 -)))
277 -
278 -(((
279 -(% style="background-color:yellow" %)**GND  <-> GND
280 -TXD  <->  TXD
281 -RXD  <->  RXD**
282 -)))
283 -
284 -
285 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
286 -
287 -Connect USB TTL Adapter to PC after connecting the wires
288 -
289 -
290 -[[image:image-20220602102240-4.png||height="304" width="600"]]
291 -
292 -
293 -
294 -=== 1.9.3  Upgrade steps ===
295 -
296 -
297 -
298 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
299 -
300 -
301 -[[image:image-20220602102824-5.png||height="306" width="600"]]
302 -
303 -
304 -
305 -
306 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
307 -
308 -
309 -[[image:image-20220817085447-1.png]]
310 -
311 -
312 -
313 -
314 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
315 -
316 -
317 -
318 -(((
319 -(% 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]]**
320 -)))
321 -
322 -
323 323  [[image:image-20220602103227-6.png]]
324 324  
325 -
326 326  [[image:image-20220602103357-7.png]]
327 327  
137 +===== Select the COM port corresponding to USB TTL =====
328 328  
329 -
330 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
331 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
332 -
333 -
334 334  [[image:image-20220602103844-8.png]]
335 335  
141 +===== Select the bin file to burn =====
336 336  
337 -
338 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
339 -(% style="color:blue" %)**3.  Select the bin file to burn**
340 -
341 -
342 342  [[image:image-20220602104144-9.png]]
343 343  
344 -
345 345  [[image:image-20220602104251-10.png]]
346 346  
347 -
348 348  [[image:image-20220602104402-11.png]]
349 349  
149 +===== Click to start the download =====
350 350  
351 -
352 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
353 -(% style="color:blue" %)**4.  Click to start the download**
354 -
355 -
356 356  [[image:image-20220602104923-13.png]]
357 357  
153 +===== The following figure appears to prove that the burning is in progress =====
358 358  
359 -
360 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
361 -(% style="color:blue" %)**5.  Check update process**
362 -
363 -
364 364  [[image:image-20220602104948-14.png]]
365 365  
157 +===== The following picture appears to prove that the burning is successful =====
366 366  
367 -
368 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
369 -(% style="color:blue" %)**The following picture shows that the burning is successful**
370 -
371 -
372 372  [[image:image-20220602105251-15.png]]
373 373  
161 += LA66 USB LoRaWAN Adapter =
374 374  
163 +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.
375 375  
376 -= 2.  FAQ =
165 +Before use, please make sure that the computer has installed the CP2102 driver
377 377  
167 +== Pin Mapping & LED ==
378 378  
379 -== 2.1  How to Compile Source Code for LA66? ==
169 +== Example Send & Get Messages via LoRaWAN in PC ==
380 380  
171 +== Example Send & Get Messages via LoRaWAN in RPi ==
381 381  
382 -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]]
173 +Connect the LA66 LoRa Shield to the RPI
383 383  
175 +[[image:image-20220602153333-4.png]]
384 384  
177 +Log in to the RPI's terminal and connect to the serial port
385 385  
386 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
179 +[[image:image-20220602153146-3.png]]
387 387  
181 +Press the reset switch RST on the LA66 LoRa Shield.
182 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
388 388  
389 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
184 +[[image:image-20220602154928-5.png]]
390 390  
186 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
391 391  
188 +example: AT+SENDB=01,02,8,05820802581ea0a5
392 392  
393 -= 3.  Order Info =
190 +[[image:image-20220602160339-6.png]]
394 394  
192 +Check to see if TTN received the message
395 395  
396 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
194 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
397 397  
196 +=== Install Minicom ===
398 398  
399 -(% style="color:blue" %)**XXX**(%%): The default frequency band
198 +Enter the following command in the RPI terminal
400 400  
401 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
402 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
403 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
404 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
405 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
406 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
407 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
408 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
409 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
200 +apt update
410 410  
202 +[[image:image-20220602143155-1.png]]
411 411  
204 +apt install minicom
412 412  
413 -= 4.  Reference =
206 +[[image:image-20220602143744-2.png]]
414 414  
208 +=== Use AT Command to send an uplink message. ===
415 415  
416 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
210 +=== Send PC's CPU/RAM usage to TTN via script. ===
417 417  
212 +==== Take python as an example： ====
418 418  
214 +===== Preconditions: =====
419 419  
420 -= 5.  FCC Statement =
216 +1.LA66 LoRa Shield works fine
421 421  
218 +2.LA66 LoRa Shield is registered with TTN
422 422  
423 -(% style="color:red" %)**FCC Caution:**
220 +===== Steps for usage =====
424 424  
425 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
222 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
426 426  
427 -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.
224 +[[image:image-20220602114148-1.png]]
428 428  
226 +2.Run the script and see the TTN
429 429  
430 -(% style="color:red" %)**IMPORTANT NOTE: **
228 +[[image:image-20220602115852-3.png]]
431 431  
432 -(% 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:
433 433  
434 -—Reorient or relocate the receiving antenna.
435 435  
436 -—Increase the separation between the equipment and receiver.
232 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
437 437  
438 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
439 439  
440 -—Consult the dealer or an experienced radio/TV technician for help.
441 -
442 -
443 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
444 -
445 -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. 
235 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
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