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Last modified by Xiaoling on 2023/05/26 14:19
From version 66.1
edited by Edwin Chen
on 2022/07/02 23:32
Change comment: There is no comment for this version
To version 165.5
edited by Xiaoling
on 2022/10/10 11:39
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 Shield User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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.
10 10  
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.
10 += 1.  LA66 LoRaWAN Shield =
12 12  
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 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
38 +)))
14 14  
40 +(((
41 +(((
15 15  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 +)))
16 16  
46 +(((
47 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 +)))
50 +)))
18 18  
19 -== Features ==
20 20  
21 21  
22 -== Specification ==
54 +== 1.2  Features ==
23 23  
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
67 +
68 +
69 +
70 +== 1.3  Specification ==
71 +
72 +
73 +* CPU: 32-bit 48 MHz
74 +* Flash: 256KB
75 +* RAM: 64KB
24 24  * Input Power Range: 1.8v ~~ 3.7v
25 25  * Power Consumption: < 4uA.
26 26  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -37,220 +37,357 @@
37 37  * I/O Voltage: 3.3v
38 38  
39 39  
40 -== AT Command ==
41 41  
42 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
93 +== 1.4  Pin Mapping & LED ==
43 43  
44 44  
45 -== Dimension ==
96 +[[image:image-20220817085048-1.png||height="533" width="734"]]
46 46  
47 -[[image:image-20220517072526-1.png]]
48 48  
49 49  
50 -== Pin Mapping ==
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
51 51  
52 -[[image:image-20220523101537-1.png]]
53 53  
54 -== Land Pattern ==
105 +[[image:image-20220820112305-1.png||height="515" width="749"]]
55 55  
56 -[[image:image-20220517072821-2.png]]
57 57  
58 58  
59 -== Part Number ==
109 +== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
60 60  
61 -Part Number: **LA66-XXX**
62 62  
63 -**XX**: The default frequency band
112 +**Show connection diagram：**
64 64  
65 -* **AS923**: LoRaWAN AS923 band
66 -* **AU915**: LoRaWAN AU915 band
67 -* **EU433**: LoRaWAN EU433 band
68 -* **EU868**: LoRaWAN EU868 band
69 -* **KR920**: LoRaWAN KR920 band
70 -* **US915**: LoRaWAN US915 band
71 -* **IN865**: LoRaWAN IN865 band
72 -* **CN470**: LoRaWAN CN470 band
73 73  
74 -= LA66 LoRaWAN Shield =
115 +[[image:image-20220723170210-2.png||height="908" width="681"]]
75 75  
76 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
77 77  
78 -== Pin Mapping & LED ==
79 79  
80 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 +(% style="color:blue" %)**1.  open Arduino IDE**
81 81  
82 -== Example: Join TTN network and send an uplink message, get downlink message. ==
83 83  
84 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122 +[[image:image-20220723170545-4.png]]
85 85  
86 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
87 87  
88 -=== what needs to be used ===
89 89  
90 -1.LA66 LoRaWAN Shield that needs to be upgraded
126 +(% style="color:blue" %)**2.  Open project**
91 91  
92 -2.Arduino
93 93  
94 -3.USB TO TTL
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]]
95 95  
96 -[[image:image-20220602100052-2.png]]
97 97  
98 -=== Wiring Schematic ===
132 +[[image:image-20220726135239-1.png]]
99 99  
100 -[[image:image-20220602101311-3.png]]
101 101  
102 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
103 103  
104 -GND  >>>>>>>>>>>>GND
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**
105 105  
106 -TXD  >>>>>>>>>>>>TXD
107 107  
108 -RXD  >>>>>>>>>>>>RXD
139 +[[image:image-20220726135356-2.png]]
109 109  
110 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -Connect to the PC after connecting the wires
113 113  
114 -[[image:image-20220602102240-4.png]]
143 +(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
115 115  
116 -=== Upgrade steps ===
117 117  
118 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
146 +[[image:image-20220723172235-7.png||height="480" width="1027"]]
119 119  
120 -[[image:image-20220602102824-5.png]]
121 121  
122 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
123 123  
124 -[[image:image-20220602104701-12.png]]
150 +== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
125 125  
126 -==== Open the upgrade application software ====
127 127  
128 -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/]]
153 +(% style="color:blue" %)**1.  Open project**
129 129  
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 +
130 130  [[image:image-20220602103227-6.png]]
131 131  
325 +
132 132  [[image:image-20220602103357-7.png]]
133 133  
134 -===== Select the COM port corresponding to USB TTL =====
135 135  
329 +
330 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
331 +(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
332 +
333 +
136 136  [[image:image-20220602103844-8.png]]
137 137  
138 -===== Select the bin file to burn =====
139 139  
337 +
338 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
339 +(% style="color:blue" %)**3.  Select the bin file to burn**
340 +
341 +
140 140  [[image:image-20220602104144-9.png]]
141 141  
344 +
142 142  [[image:image-20220602104251-10.png]]
143 143  
347 +
144 144  [[image:image-20220602104402-11.png]]
145 145  
146 -===== Click to start the download =====
147 147  
148 -[[image:image-20220602104923-13.png]]
149 149  
150 -===== The following figure appears to prove that the burning is in progress =====
352 +(% class="wikigeneratedid" id="HClicktostartthedownload" %)
353 +(% style="color:blue" %)**4.  Click to start the download**
151 151  
152 -[[image:image-20220602104948-14.png]]
153 153  
154 -===== The following picture appears to prove that the burning is successful =====
356 +[[image:image-20220602104923-13.png]]
155 155  
156 -[[image:image-20220602105251-15.png]]
157 157  
158 -= LA66 USB LoRaWAN Adapter =
159 159  
160 -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.
360 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
361 +(% style="color:blue" %)**5.  Check update process**
161 161  
162 -Before use, please make sure that the computer has installed the CP2102 driver
163 163  
164 -== Pin Mapping & LED ==
364 +[[image:image-20220602104948-14.png]]
165 165  
166 -== Example Send & Get Messages via LoRaWAN in PC ==
167 167  
168 -Connect the LA66 LoRa Shield to the PC
169 169  
170 -[[image:image-20220602171217-1.png||height="615" width="915"]]
368 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
369 +(% style="color:blue" %)**The following picture shows that the burning is successful**
171 171  
172 -Open the serial port tool
173 173  
174 -[[image:image-20220602161617-8.png]]
372 +[[image:image-20220602105251-15.png]]
175 175  
176 -[[image:image-20220602161718-9.png||height="529" width="927"]]
177 177  
178 -Press the reset switch RST on the LA66 LoRa Shield.
179 179  
180 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
376 += 2.  FAQ =
181 181  
182 -[[image:image-20220602161935-10.png]]
183 183  
184 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
379 +== 2.1  How to Compile Source Code for LA66? ==
185 185  
186 -example: AT+SENDB=01,02,8,05820802581ea0a5
187 187  
188 -[[image:image-20220602162157-11.png]]
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]]
189 189  
190 -Check to see if TTN received the message
191 191  
192 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
193 193  
194 -== Example Send & Get Messages via LoRaWAN in RPi ==
386 +== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
195 195  
196 -Connect the LA66 LoRa Shield to the RPI
197 197  
198 -[[image:image-20220602171233-2.png||height="592" width="881"]]
389 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
199 199  
200 -Log in to the RPI's terminal and connect to the serial port
201 201  
202 -[[image:image-20220602153146-3.png]]
203 203  
204 -Press the reset switch RST on the LA66 LoRa Shield.
205 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
393 += 3.  Order Info =
206 206  
207 -[[image:image-20220602154928-5.png]]
208 208  
209 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
396 +**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
210 210  
211 -example: AT+SENDB=01,02,8,05820802581ea0a5
212 212  
213 -[[image:image-20220602160339-6.png]]
399 +(% style="color:blue" %)**XXX**(%%): The default frequency band
214 214  
215 -Check to see if TTN received the message
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
216 216  
217 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 218  
219 -=== Install Minicom ===
220 220  
221 -Enter the following command in the RPI terminal
413 += 4.  Reference =
222 222  
223 -apt update
224 224  
225 -[[image:image-20220602143155-1.png]]
416 +* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
226 226  
227 -apt install minicom
228 228  
229 -[[image:image-20220602143744-2.png]]
230 230  
231 -=== Send PC's CPU/RAM usage to TTN via script. ===
420 += 5.  FCC Statement =
232 232  
233 -==== Take python as an example： ====
234 234  
235 -===== Preconditions: =====
423 +(% style="color:red" %)**FCC Caution:**
236 236  
237 -1.LA66 USB LoRaWAN Adapter works fine
425 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
238 238  
239 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
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.
240 240  
241 -===== Steps for usage =====
242 242  
243 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
430 +(% style="color:red" %)**IMPORTANT NOTE: **
244 244  
245 -2.Run the script and see the TTN
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:
246 246  
247 -[[image:image-20220602115852-3.png]]
434 +—Reorient or relocate the receiving antenna.
248 248  
436 +—Increase the separation between the equipment and receiver.
249 249  
438 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
250 250  
251 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
440 +—Consult the dealer or an experienced radio/TV technician for help.
252 252  
253 253  
254 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
443 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
255 255  
256 -
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. 
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