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Last modified by Xiaoling on 2023/05/26 14:19
From version 165.4
edited by Xiaoling
on 2022/10/10 11:37
Change comment: There is no comment for this version
To version 66.1
edited by Edwin Chen
on 2022/07/02 23:32
Change comment: There is no comment for this version

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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.Edwin
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  
19 +== Features ==
52 52  
53 53  
54 -== 1.2  Features ==
22 +== Specification ==
55 55  
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 -== 1.3  Specification ==
69 -
70 -
71 -* CPU: 32-bit 48 MHz
72 -* Flash: 256KB
73 -* RAM: 64KB
74 74  * Input Power Range: 1.8v ~~ 3.7v
75 75  * Power Consumption: < 4uA.
76 76  * Frequency Range: 150 MHz ~~ 960 MHz
... ... @@ -86,356 +86,221 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -== 1.4  Pin Mapping & LED ==
90 90  
40 +== AT Command ==
91 91  
92 -[[image:image-20220817085048-1.png||height="533" width="734"]]
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 93  
94 94  
45 +== Dimension ==
95 95  
96 -~1. The LED lights up red when there is an upstream data packet
97 -2. When the network is successfully connected, the green light will be on for 5 seconds
98 -3. Purple light on when receiving downlink data packets
47 +[[image:image-20220517072526-1.png]]
99 99  
100 100  
101 -[[image:image-20220820112305-1.png||height="515" width="749"]]
50 +== Pin Mapping ==
102 102  
52 +[[image:image-20220523101537-1.png]]
103 103  
54 +== Land Pattern ==
104 104  
105 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
56 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
108 -**Show connection diagram：**
59 +== Part Number ==
109 109  
61 +Part Number: **LA66-XXX**
110 110  
111 -[[image:image-20220723170210-2.png||height="908" width="681"]]
63 +**XX**: The default frequency band
112 112  
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
113 113  
74 += LA66 LoRaWAN Shield =
114 114  
115 -(% style="color:blue" %)**1.  open Arduino IDE**
76 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
78 +== Pin Mapping & LED ==
117 117  
118 -[[image:image-20220723170545-4.png]]
80 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
119 119  
82 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
84 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -(% style="color:blue" %)**2.  Open project**
86 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
88 +=== what needs to be used ===
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]]
90 +1.LA66 LoRaWAN Shield that needs to be upgraded
126 126  
92 +2.Arduino
127 127  
128 -[[image:image-20220726135239-1.png]]
94 +3.USB TO TTL
129 129  
96 +[[image:image-20220602100052-2.png]]
130 130  
98 +=== Wiring Schematic ===
131 131  
132 -(% 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**
100 +[[image:image-20220602101311-3.png]]
133 133  
102 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -[[image:image-20220726135356-2.png]]
104 +GND  >>>>>>>>>>>>GND
136 136  
106 +TXD  >>>>>>>>>>>>TXD
137 137  
108 +RXD  >>>>>>>>>>>>RXD
138 138  
139 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
110 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
112 +Connect to the PC after connecting the wires
141 141  
142 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
114 +[[image:image-20220602102240-4.png]]
143 143  
116 +=== Upgrade steps ===
144 144  
118 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 145  
146 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
120 +[[image:image-20220602102824-5.png]]
147 147  
122 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -(% style="color:blue" %)**1.  Open project**
124 +[[image:image-20220602104701-12.png]]
150 150  
126 +==== Open the upgrade application software ====
151 151  
152 -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]]
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/]]
153 153  
154 -
155 -[[image:image-20220723172502-8.png]]
156 -
157 -
158 -
159 -(% 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**
160 -
161 -
162 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
163 -
164 -
165 -
166 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
167 -
168 -
169 -(% style="color:blue" %)**1.  Open project**
170 -
171 -
172 -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]]
173 -
174 -
175 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
176 -
177 -
178 -
179 -(% 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**
180 -
181 -
182 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
183 -
184 -
185 -
186 -
187 -
188 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
189 -
190 -
191 -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/]]
192 -
193 -
194 -[[image:image-20220723175700-12.png||height="602" width="995"]]
195 -
196 -
197 -
198 -== 1.8  Example: How to join helium ==
199 -
200 -
201 -(% style="color:blue" %)**1.  Create a new device.**
202 -
203 -
204 -[[image:image-20220907165500-1.png||height="464" width="940"]]
205 -
206 -
207 -
208 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
209 -
210 -
211 -[[image:image-20220907165837-2.png||height="375" width="809"]]
212 -
213 -
214 -
215 -(% style="color:blue" %)**3.  Use AT commands.**
216 -
217 -
218 -[[image:image-20220602100052-2.png||height="385" width="600"]]
219 -
220 -
221 -
222 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
223 -
224 -
225 -[[image:image-20220907170308-3.png||height="556" width="617"]]
226 -
227 -
228 -
229 -(% style="color:blue" %)**5.  Network successfully.**
230 -
231 -
232 -[[image:image-20220907170436-4.png]]
233 -
234 -
235 -
236 -(% style="color:blue" %)**6.  Send uplink using command**
237 -
238 -
239 -[[image:image-20220912084334-1.png]]
240 -
241 -
242 -[[image:image-20220912084412-3.png]]
243 -
244 -
245 -
246 -[[image:image-20220907170744-6.png||height="242" width="798"]]
247 -
248 -
249 -
250 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
251 -
252 -
253 -=== 1.9.1  Items needed for update ===
254 -
255 -
256 -1. LA66 LoRaWAN Shield
257 -1. Arduino
258 -1. USB TO TTL Adapter
259 -
260 -[[image:image-20220602100052-2.png||height="385" width="600"]]
261 -
262 -
263 -
264 -=== 1.9.2  Connection ===
265 -
266 -
267 -[[image:image-20220602101311-3.png||height="276" width="600"]]
268 -
269 -
270 -(((
271 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
272 -)))
273 -
274 -(((
275 -(% style="background-color:yellow" %)**GND  <-> GND
276 -TXD  <->  TXD
277 -RXD  <->  RXD**
278 -)))
279 -
280 -
281 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
282 -
283 -Connect USB TTL Adapter to PC after connecting the wires
284 -
285 -
286 -[[image:image-20220602102240-4.png||height="304" width="600"]]
287 -
288 -
289 -
290 -=== 1.9.3  Upgrade steps ===
291 -
292 -
293 -
294 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
295 -
296 -
297 -[[image:image-20220602102824-5.png||height="306" width="600"]]
298 -
299 -
300 -
301 -
302 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
303 -
304 -
305 -[[image:image-20220817085447-1.png]]
306 -
307 -
308 -
309 -
310 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
311 -
312 -
313 -
314 -(((
315 -(% 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]]**
316 -)))
317 -
318 -
319 319  [[image:image-20220602103227-6.png]]
320 320  
321 -
322 322  [[image:image-20220602103357-7.png]]
323 323  
134 +===== Select the COM port corresponding to USB TTL =====
324 324  
325 -
326 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
327 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
328 -
329 -
330 330  [[image:image-20220602103844-8.png]]
331 331  
138 +===== Select the bin file to burn =====
332 332  
333 -
334 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
335 -(% style="color:blue" %)**3.  Select the bin file to burn**
336 -
337 -
338 338  [[image:image-20220602104144-9.png]]
339 339  
340 -
341 341  [[image:image-20220602104251-10.png]]
342 342  
343 -
344 344  [[image:image-20220602104402-11.png]]
345 345  
146 +===== Click to start the download =====
346 346  
148 +[[image:image-20220602104923-13.png]]
347 347  
348 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
349 -(% style="color:blue" %)**4.  Click to start the download**
150 +===== The following figure appears to prove that the burning is in progress =====
350 350  
152 +[[image:image-20220602104948-14.png]]
351 351  
352 -[[image:image-20220602104923-13.png]]
154 +===== The following picture appears to prove that the burning is successful =====
353 353  
156 +[[image:image-20220602105251-15.png]]
354 354  
158 += LA66 USB LoRaWAN Adapter =
355 355  
356 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
357 -(% style="color:blue" %)**5.  Check update process**
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.
358 358  
162 +Before use, please make sure that the computer has installed the CP2102 driver
359 359  
360 -[[image:image-20220602104948-14.png]]
164 +== Pin Mapping & LED ==
361 361  
166 +== Example Send & Get Messages via LoRaWAN in PC ==
362 362  
168 +Connect the LA66 LoRa Shield to the PC
363 363  
364 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
365 -(% style="color:blue" %)**The following picture shows that the burning is successful**
170 +[[image:image-20220602171217-1.png||height="615" width="915"]]
366 366  
172 +Open the serial port tool
367 367  
368 -[[image:image-20220602105251-15.png]]
174 +[[image:image-20220602161617-8.png]]
369 369  
176 +[[image:image-20220602161718-9.png||height="529" width="927"]]
370 370  
178 +Press the reset switch RST on the LA66 LoRa Shield.
371 371  
372 -= 2.  FAQ =
180 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
373 373  
182 +[[image:image-20220602161935-10.png]]
374 374  
375 -== 2.1  How to Compile Source Code for LA66? ==
184 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
376 376  
186 +example: AT+SENDB=01,02,8,05820802581ea0a5
377 377  
378 -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]]
188 +[[image:image-20220602162157-11.png]]
379 379  
190 +Check to see if TTN received the message
380 380  
192 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
381 381  
382 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
194 +== Example Send & Get Messages via LoRaWAN in RPi ==
383 383  
196 +Connect the LA66 LoRa Shield to the RPI
384 384  
385 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
198 +[[image:image-20220602171233-2.png||height="592" width="881"]]
386 386  
200 +Log in to the RPI's terminal and connect to the serial port
387 387  
202 +[[image:image-20220602153146-3.png]]
388 388  
389 -= 3.  Order Info =
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
390 390  
207 +[[image:image-20220602154928-5.png]]
391 391  
392 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
209 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
393 393  
211 +example: AT+SENDB=01,02,8,05820802581ea0a5
394 394  
395 -(% style="color:blue" %)**XXX**(%%): The default frequency band
213 +[[image:image-20220602160339-6.png]]
396 396  
397 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
398 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
399 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
400 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
401 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
402 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
403 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
404 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
405 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
215 +Check to see if TTN received the message
406 406  
217 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
407 407  
219 +=== Install Minicom ===
408 408  
409 -= 4.  Reference =
221 +Enter the following command in the RPI terminal
410 410  
223 +apt update
411 411  
412 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
225 +[[image:image-20220602143155-1.png]]
413 413  
227 +apt install minicom
414 414  
229 +[[image:image-20220602143744-2.png]]
415 415  
416 -= 5.  FCC Statement =
231 +=== Send PC's CPU/RAM usage to TTN via script. ===
417 417  
233 +==== Take python as an example： ====
418 418  
419 -(% style="color:red" %)**FCC Caution:**
235 +===== Preconditions: =====
420 420  
421 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
237 +1.LA66 USB LoRaWAN Adapter works fine
422 422  
423 -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.
239 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
424 424  
241 +===== Steps for usage =====
425 425  
426 -(% style="color:red" %)**IMPORTANT NOTE: **
243 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
427 427  
428 -(% 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:
245 +2.Run the script and see the TTN
429 429  
430 -—Reorient or relocate the receiving antenna.
247 +[[image:image-20220602115852-3.png]]
431 431  
432 -—Increase the separation between the equipment and receiver.
433 433  
434 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
435 435  
436 -—Consult the dealer or an experienced radio/TV technician for help.
251 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
437 437  
438 438  
439 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
254 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
440 440  
441 -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. 
256 +
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