Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 56.5 >
edited by Xiaoling
on 2022/05/23 11:59
To version < 76.7 >
edited by Xiaoling
on 2022/05/23 15:40
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -132,11 +132,7 @@
132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -(% border="1" %)
136 -|**Behavior on ACT**|**Function**|**Action**
137 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
138 -|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
139 -|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
135 +[[image:image-20220523153201-19.png||height="163" width="739"]]
140 140  
141 141  == 2.3 Example to join LoRaWAN network ==
142 142  
... ... @@ -163,10 +163,8 @@
163 163  
164 164  [[image:image-20220522232916-3.png]]
165 165  
166 -
167 167  [[image:image-20220522232932-4.png]]
168 168  
169 -
170 170  [[image:image-20220522232954-5.png]]
171 171  
172 172  Note: LHT65N use same payload as LHT65.
... ... @@ -183,28 +183,51 @@
183 183  
184 184  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
185 185  
186 -[[image:image-20220522233300-8.png]]
180 +[[image:image-20220522233300-8.png||height="219" width="722"]]
187 187  
188 188  
189 189  == 2.4 Uplink Payload ==
190 190  
191 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
185 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
192 192  
193 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
187 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
194 194  
189 +(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
190 +|(% style="width:97px" %)(((
191 +**Size(bytes)**
192 +)))|(% style="width:39px" %)(((
193 +**2**
194 +)))|(% style="width:100px" %)(((
195 +**2**
196 +)))|(% style="width:77px" %)(((
197 +**2**
198 +)))|(% style="width:47px" %)(((
199 +**1**
200 +)))|(% style="width:51px" %)(((
201 +**4**
202 +)))
203 +|(% style="width:97px" %)(((
204 +**Value**
205 +)))|(% style="width:39px" %)(((
206 +[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
207 +)))|(% style="width:100px" %)(((
208 +(((
209 +[[Built-In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
210 +)))
211 +)))|(% style="width:77px" %)(((
212 +(((
213 +[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
214 +)))
195 195  
196 -(% border="1" style="width:572px" %)
197 -|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
198 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
199 -[[Built-In>>path:#SHT20_Temperature]]
216 +(((
217 +[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
218 +)))
219 +)))|(% style="width:47px" %)(((
220 +[[Ext>>path:#Extension_Sensor]] #
221 +)))|(% style="width:51px" %)(((
222 +[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
223 +)))
200 200  
201 -[[Temperature>>path:#SHT20_Temperature]]
202 -)))|(% style="width:103px" %)(((
203 -[[Built-in>>path:#SHT20_Humidity]]
204 -
205 -[[Humidity>>path:#SHT20_Humidity]]
206 -)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
207 -
208 208  * The First 6 bytes: has fix meanings for every LHT65N.
209 209  * The 7th byte (EXT #): defines the external sensor model.
210 210  * The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
... ... @@ -217,29 +217,16 @@
217 217  
218 218  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
219 219  
220 -[[image:image-20220522234118-10.png]]
237 +[[image:image-20220522234118-10.png||height="353" width="729"]]
221 221  
222 -
223 223  === 2.4.2 BAT-Battery Info ===
224 224  
225 225  These two bytes of BAT include the battery state and the actually voltage
226 226  
227 -(% style="width:646px" %)
228 -|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
229 -|Value|(% style="width:272px" %)(((
230 -BAT Status
243 +[[image:image-20220523152839-18.png]]
231 231  
232 -00(b): Ultra Low ( BAT <= 2.50v)
245 +[[image:image-20220522235639-1.png||height="139" width="727"]]
233 233  
234 -01(b): Low  (2.50v <=BAT <= 2.55v)
235 -
236 -10(b): OK   (2.55v <= BAT <=2.65v)
237 -
238 -11(b): Good   (BAT >= 2.65v)
239 -)))|(% style="width:214px" %)Actually BAT voltage
240 -
241 -[[image:image-20220522235639-1.png]]
242 -
243 243  Check the battery voltage for LHT65N.
244 244  
245 245  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
... ... @@ -247,7 +247,7 @@
247 247  
248 248  === 2.4.3 Built-in Temperature ===
249 249  
250 -[[image:image-20220522235639-2.png]]
254 +[[image:image-20220522235639-2.png||height="138" width="722"]]
251 251  
252 252  * Temperature:  0x0ABB/100=27.47℃
253 253  
... ... @@ -257,7 +257,7 @@
257 257  
258 258  === 2.4.4 Built-in Humidity ===
259 259  
260 -[[image:image-20220522235639-4.png]]
264 +[[image:image-20220522235639-4.png||height="138" width="722"]]
261 261  
262 262  * Humidity:    0x025C/10=60.4%
263 263  
... ... @@ -265,10 +265,7 @@
265 265  
266 266  Bytes for External Sensor:
267 267  
268 -(% style="width:624px" %)
269 -|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
270 -|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
271 -|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
272 +[[image:image-20220523152822-17.png]]
272 272  
273 273  === 2.4.6 Ext value ===
274 274  
... ... @@ -284,9 +284,13 @@
284 284  
285 285  * External temperature= (0xF54F-65536)/100=-27.37℃
286 286  
288 +(((
287 287  The last 2 bytes of data are meaningless
290 +)))
288 288  
292 +(((
289 289  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
294 +)))
290 290  
291 291  
292 292  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
... ... @@ -293,30 +293,53 @@
293 293  
294 294  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
295 295  
301 +(% border="1" style="background-color:#ffffcc; color:green; width:468px" %)
302 +|(% style="width:96px" %)(((
303 +**Size(bytes)**
304 +)))|(% style="width:71px" %)(((
305 +**2**
306 +)))|(% style="width:99px" %)(((
307 +**2**
308 +)))|(% style="width:132px" %)(((
309 +**2**
310 +)))|(% style="width:54px" %)(((
311 +**1**
312 +)))|(% style="width:64px" %)(((
313 +**4**
314 +)))
315 +|(% style="width:96px" %)(((
316 +**Value**
317 +)))|(% style="width:71px" %)(((
318 +[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]
319 +)))|(% style="width:99px" %)(((
320 +(((
321 +[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
322 +)))
296 296  
297 -(% border="1" style="width:697px" %)
298 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
299 -|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
300 -[[Built-In>>path:#SHT20_Temperature]]
324 +(((
325 +[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
326 +)))
327 +)))|(% style="width:132px" %)(((
328 +(((
329 +BAT Status &
330 +)))
301 301  
302 -[[Temperature>>path:#SHT20_Temperature]]
303 -)))|(% style="width:106px" %)(((
304 -[[BAT Status &>>path:#BAT_Humidity]]
305 -
306 -[[Built-in>>path:#BAT_Humidity]]
307 -
308 -[[Humidity>>path:#BAT_Humidity]]
309 -)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
310 -[[Unix>>path:#Unix_Time_Stamp]]
311 -
312 -[[Time Stamp>>path:#Unix_Time_Stamp]]
332 +(((
333 +[[Built-in Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
313 313  )))
335 +)))|(% style="width:54px" %)(((
336 +Status & Ext
337 +)))|(% style="width:64px" %)(((
338 +(((
339 +[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
340 +)))
341 +)))
314 314  
315 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
343 +* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
316 316  
317 -(% border="1" style="width:587px" %)
318 -|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
319 -|Value|(% style="width:280px" %)(((
345 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
346 +|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
347 +|(% style="width:65px" %)Value|(% style="width:267px" %)(((
320 320  BAT Status
321 321  
322 322  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -326,8 +326,8 @@
326 326  10(b): OK   (2.55v <= BAT <=2.65v)
327 327  
328 328  11(b): Good   (BAT >= 2.65v)
329 -)))|(% style="width:136px" %)(((
330 -[[Built-in Humidity>>path:#SHT20_Humidity]]
357 +)))|(% style="width:134px" %)(((
358 +[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
331 331  
332 332  
333 333  )))
... ... @@ -334,14 +334,8 @@
334 334  
335 335  * **Status & Ext Byte**
336 336  
337 -(% border="1" style="width:732px" %)
338 -|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
339 -|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
340 -Ext:
365 +[[image:image-20220523152434-16.png]]
341 341  
342 -0b(1001)
343 -)))
344 -
345 345  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
346 346  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
347 347  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
... ... @@ -350,12 +350,17 @@
350 350  
351 351  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
352 352  
375 +(((
353 353  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
377 +)))
354 354  
379 +(((
355 355  **Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
381 +)))
356 356  
357 -
383 +(((
358 358  Add Datacake:
385 +)))
359 359  
360 360  [[image:image-20220523000825-7.png||height="262" width="583"]]
361 361  
... ... @@ -364,16 +364,12 @@
364 364  
365 365  [[image:image-20220523000825-8.png||height="453" width="406"]]
366 366  
367 -
368 368  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
369 369  
370 370  [[image:image-20220523000825-9.png||height="366" width="392"]]
371 371  
398 +[[image:image-20220523000825-10.png||height="413" width="728"]]
372 372  
373 -
374 -[[image:image-20220523000825-10.png||height="432" width="762"]]
375 -
376 -
377 377  == 2.6 Datalog Feature ==
378 378  
379 379  This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
... ... @@ -385,50 +385,73 @@
385 385  [[image:image-20220523001219-11.png||height="97" width="627"]]
386 386  
387 387  
411 +(((
388 388  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
413 +)))
389 389  
415 +(((
390 390  Below is the converter example
417 +)))
391 391  
392 -[[image:image-20220523001219-12.png||height="302" width="730"]]
419 +[[image:image-20220523001219-12.png||height="298" width="720"]]
393 393  
394 394  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
395 395  
396 -
397 397  === 2.6.2 Set Device Time ===
398 398  
425 +(((
399 399  There are two ways to set device’s time:
427 +)))
400 400  
429 +(((
401 401  **~1. Through LoRaWAN MAC Command (Default settings)**
431 +)))
402 402  
433 +(((
403 403  User need to set SYNCMOD=1 to enable sync time via MAC command.
435 +)))
404 404  
437 +(((
405 405  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
439 +)))
406 406  
441 +(((
407 407  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
443 +)))
408 408  
445 +(((
446 +
447 +)))
409 409  
449 +(((
410 410  **2. Manually Set Time**
451 +)))
411 411  
453 +(((
412 412  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
455 +)))
413 413  
414 -
415 415  === 2.6.3 Poll sensor value ===
416 416  
417 417  User can poll sensor value based on timestamps from the server. Below is the downlink command.
418 418  
461 +[[image:image-20220523152302-15.png]]
419 419  
420 -(% border="1" style="width:454px" %)
421 -|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
422 -|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
423 -
463 +(((
424 424  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
465 +)))
425 425  
467 +(((
468 +For example, downlink command **31 5FC5F350 5FC6 0160 05**
469 +)))
426 426  
427 -For example, downlink command 31 5FC5F350 5FC6 0160 05
428 -
471 +(((
429 429  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
473 +)))
430 430  
475 +(((
431 431  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
477 +)))
432 432  
433 433  
434 434  === 2.6.4 Datalog Uplink payload ===
... ... @@ -435,52 +435,142 @@
435 435  
436 436  The Datalog poll reply uplink will use below payload format.
437 437  
484 +(((
485 +**Retrieval data payload**
486 +)))
438 438  
439 -Retrieval data payload
488 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
489 +|(% style="width:93px" %)(((
490 +(((
491 +**Size(bytes)**
492 +)))
493 +)))|(% style="width:71px" %)(((
494 +(((
495 +**2**
496 +)))
497 +)))|(% style="width:102px" %)(((
498 +(((
499 +**2**
500 +)))
501 +)))|(% style="width:86px" %)(((
502 +(((
503 +**2**
504 +)))
505 +)))|(% style="width:86px" %)(((
506 +(((
507 +**1**
508 +)))
509 +)))|(% style="width:48px" %)(((
510 +(((
511 +**4**
512 +)))
513 +)))
514 +|(% style="width:93px" %)(((
515 +(((
516 +**Value**
517 +)))
518 +)))|(% style="width:71px" %)(((
519 +(((
520 +[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
521 +)))
522 +)))|(% style="width:102px" %)(((
523 +(((
524 +(((
525 +[[Built In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
526 +)))
527 +)))
440 440  
441 -(% border="1" %)
442 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
443 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
444 -[[Built-In>>path:#SHT20_Temperature]]
529 +(((
530 +(((
531 +[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
532 +)))
533 +)))
534 +)))|(% style="width:86px" %)(((
535 +(((
536 +(((
537 +[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
538 +)))
539 +)))
445 445  
446 -[[Temperature>>path:#SHT20_Temperature]]
447 -)))|(((
448 -[[Built-in>>path:#SHT20_Humidity]]
541 +(((
542 +(((
543 +[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
544 +)))
545 +)))
546 +)))|(% style="width:86px" %)(((
547 +(((
548 +[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
549 +)))
550 +)))|(% style="width:48px" %)(((
551 +(((
552 +(((
553 +[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
554 +)))
555 +)))
449 449  
450 -[[Humidity>>path:#SHT20_Humidity]]
451 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
452 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
453 -
557 +(((
558 +(((
454 454  
455 455  )))
561 +)))
562 +)))
456 456  
457 -Poll message flag & Ext
564 +**Poll message flag & Ext**
458 458  
566 +[[image:image-20220523152208-14.png]]
459 459  
460 -(% border="1" %)
461 -|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
462 -|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
463 -Ext:
568 +(((
569 +(((
570 +Poll Message Flag: 1: This message is a poll message reply.
571 +)))
572 +)))
464 464  
465 -0b(1001)
574 +* (((
575 +(((
576 +Poll Message Flag is set to 1.
466 466  )))
578 +)))
579 +* (((
580 +(((
581 +Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
582 +)))
583 +)))
467 467  
468 -Poll Message Flag: 1: This message is a poll message reply.
469 -
470 -* Poll Message Flag is set to 1.
471 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
472 -
585 +(((
586 +(((
473 473  For example, in US915 band, the max payload for different DR is:
588 +)))
589 +)))
474 474  
475 -a)      DR0: max is 11 bytes so one entry of data
591 +(((
592 +(((
593 +a) DR0: max is 11 bytes so one entry of data
594 +)))
595 +)))
476 476  
477 -b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
597 +(((
598 +(((
599 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
600 +)))
601 +)))
478 478  
479 -c)      DR2: total payload includes 11 entries of data
603 +(((
604 +(((
605 +c) DR2: total payload includes 11 entries of data
606 +)))
607 +)))
480 480  
481 -d)      DR3: total payload includes 22 entries of data.
609 +(((
610 +(((
611 +d) DR3: total payload includes 22 entries of data.
612 +)))
613 +)))
482 482  
615 +(((
616 +(((
483 483  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
618 +)))
619 +)))
484 484  
485 485  
486 486  **Example:**
... ... @@ -487,35 +487,27 @@
487 487  
488 488  If LHT65N has below data inside Flash:
489 489  
490 -Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
626 +[[image:image-20220523144455-1.png||height="335" width="735"]]
491 491  
492 -80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
628 +(((
629 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
630 +)))
493 493  
494 -80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
495 -
496 -8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
497 -
498 -8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
499 -
500 -8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
501 -
502 -8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
503 -
504 -8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
505 -
506 -8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
507 -
508 -
509 -If user sends below downlink command:
510 -
511 -3160065F9760066DA705
512 -
632 +(((
513 513   Where : Start time: 60065F97 = time 21/1/19 04:27:03
634 +)))
514 514  
636 +(((
515 515   Stop time 60066DA7= time 21/1/19 05:27:03
638 +)))
516 516  
640 +(((
641 +
642 +)))
517 517  
644 +(((
518 518  LHT65N will uplink this payload.
646 +)))
519 519  
520 520  [[image:image-20220523001219-13.png||height="421" width="727"]]
521 521  
... ... @@ -535,35 +535,58 @@
535 535  
536 536  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
537 537  
538 -
539 539  == 2.7 Alarm Mode ==
540 540  
541 541  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
542 542  
670 +(((
671 +(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
672 +)))
543 543  
544 -Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
674 +(((
675 +**AT Commands for Alarm mode:**
676 +)))
545 545  
546 -
547 -AT Commands for Alarm mode:
548 -
678 +(% class="box infomessage" %)
679 +(((
680 +(((
549 549  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
682 +)))
683 +)))
550 550  
685 +(% class="box infomessage" %)
686 +(((
687 +(((
551 551  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
689 +)))
690 +)))
552 552  
553 -
554 -
555 555  == 2.8 LED Indicator ==
556 556  
694 +(((
557 557  The LHT65N has a triple color LED which for easy shows different stage.
696 +)))
558 558  
698 +(((
559 559  While pressing ACT button, the LED will work as per LED status with ACT button.
700 +)))
560 560  
702 +(((
561 561  In a normal working state:
704 +)))
562 562  
563 -* For each uplink, the BLUE LED or RED LED will blink once.
564 -* BLUE LED when an external sensor is connected
565 -* RED LED when an external sensor is not connected
566 -* For each success downlink, the PURPLE LED will blink once
706 +* (((
707 +For each uplink, the BLUE LED or RED LED will blink once.
708 +)))
709 +* (((
710 +BLUE LED when an external sensor is connected
711 +)))
712 +* (((
713 +RED LED when an external sensor is not connected
714 +)))
715 +* (((
716 +For each success downlink, the PURPLE LED will blink once
717 +)))
567 567  
568 568  ----
569 569  
... ... @@ -589,29 +589,55 @@
589 589  
590 590  = 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
591 591  
743 +(((
592 592  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
745 +)))
593 593  
594 -* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
595 -* LoRaWAN Downlink instruction for different platforms:
747 +* (((
748 +AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
749 +)))
750 +* (((
751 +LoRaWAN Downlink instruction for different platforms:
752 +)))
596 596  
754 +(((
597 597  [[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
756 +)))
598 598  
758 +(((
599 599  There are two kinds of commands to configure LHT65N, they are:
760 +)))
600 600  
601 -* **General Commands**.
762 +(((
763 +(% style="color:#4f81bd" %)* **General Commands**.
764 +)))
602 602  
766 +(((
603 603  These commands are to configure:
768 +)))
604 604  
605 -* General system settings like: uplink interval.
606 -* LoRaWAN protocol & radio-related commands.
770 +* (((
771 +General system settings like: uplink interval.
772 +)))
773 +* (((
774 +LoRaWAN protocol & radio-related commands.
775 +)))
607 607  
777 +(((
608 608  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
779 +)))
609 609  
781 +(((
610 610  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
783 +)))
611 611  
612 -* **Commands special design for LHT65N**
785 +(((
786 +(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
787 +)))
613 613  
789 +(((
614 614  These commands are only valid for LHT65N, as below:
791 +)))
615 615  
616 616  == 4.1 Set Transmit Interval Time ==
617 617  
... ... @@ -619,21 +619,8 @@
619 619  
620 620  **AT Command: AT+TDC**
621 621  
622 -(% border="1" %)
623 -|**Command Example**|**Function**|**Response**
624 -|AT+TDC?|Show current transmit Interval|(((
625 -30000
799 +[[image:image-20220523150701-2.png]]
626 626  
627 -OK
628 -
629 -the interval is 30000ms = 30s
630 -)))
631 -|AT+TDC=60000|Set Transmit Interval|(((
632 -OK
633 -
634 -Set transmit interval to 60000ms = 60 seconds
635 -)))
636 -
637 637  **Downlink Command: 0x01**
638 638  
639 639  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -640,8 +640,8 @@
640 640  
641 641  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
642 642  
643 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
644 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
807 +* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
808 +* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
645 645  
646 646  == 4.2 Set External Sensor Mode ==
647 647  
... ... @@ -649,23 +649,13 @@
649 649  
650 650  **AT Command: AT+EXT**
651 651  
652 -(% border="1" %)
653 -|**Command Example**|**Function**|**Response**
654 -|AT+EXT?|Get current external sensor mode|(((
655 -1
816 +[[image:image-20220523150759-3.png]]
656 656  
657 -OK
658 -
659 -External Sensor mode =1
660 -)))
661 -|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
662 -|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
663 -
664 664  **Downlink Command: 0xA2**
665 665  
666 666  Total bytes: 2 ~~ 5 bytes
667 667  
668 -Example:
822 +**Example:**
669 669  
670 670  * 0xA201: Set external sensor type to E1
671 671  * 0xA209: Same as AT+EXT=9
... ... @@ -680,17 +680,14 @@
680 680  
681 681  PID is default set to disable (0)
682 682  
683 -
684 684  **AT Command:**
685 685  
686 -(% border="1" %)
687 -|**Command Example**|**Function**|**Response**
688 -|AT+PID=1|Enable PID uplink|OK
839 +[[image:image-20220523150928-4.png]]
689 689  
690 690  **Downlink Command:**
691 691  
692 -* 0xA800     à AT+PID=0
693 -* 0xA801     à AT+PID=1
843 +* 0xA800  **~-~->** AT+PID=0
844 +* 0xA801     **~-~->** AT+PID=1
694 694  
695 695  == 4.4 Set Password ==
696 696  
... ... @@ -698,16 +698,8 @@
698 698  
699 699  **AT Command: AT+PWORD**
700 700  
701 -(% border="1" %)
702 -|**Command Example**|**Function**|**Response**
703 -|AT+PWORD=?|Show password|(((
704 -123456
852 +[[image:image-20220523151052-5.png]]
705 705  
706 -
707 -OK
708 -)))
709 -|AT+PWORD=999999|Set password|OK
710 -
711 711  **Downlink Command:**
712 712  
713 713  No downlink command for this feature.
... ... @@ -718,15 +718,12 @@
718 718  
719 719  **AT Command: AT+DISAT**
720 720  
721 -(% border="1" %)
722 -|**Command Example**|**Function**|**Response**
723 -|AT+DISAT|Quit AT Commands mode|OK
864 +[[image:image-20220523151132-6.png]]
724 724  
725 725  **Downlink Command:**
726 726  
727 727  No downlink command for this feature.
728 728  
729 -
730 730  == 4.6 Set to sleep mode ==
731 731  
732 732  Feature: Set device to sleep mode
... ... @@ -733,15 +733,8 @@
733 733  
734 734  **AT Command: AT+SLEEP**
735 735  
736 -(% border="1" %)
737 -| | |
738 -|**Command Example**|**Function**|**Response**
739 -|AT+SLEEP|Set to sleep mode|(((
740 -Clear all stored sensor data…
876 +[[image:image-20220523151218-7.png]]
741 741  
742 -OK
743 -)))
744 -
745 745  **Downlink Command:**
746 746  
747 747  * There is no downlink command to set to Sleep mode.
... ... @@ -752,14 +752,8 @@
752 752  
753 753  **AT Command:**
754 754  
755 -(% border="1" %)
756 -|**Command Example**|**Function**
757 -|AT+TIMESTAMP=1611104352|(((
758 -OK
888 +[[image:image-20220523151253-8.png]]
759 759  
760 -Set System time to 2021-01-20 00:59:12
761 -)))
762 -
763 763  **Downlink Command:**
764 764  
765 765  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
... ... @@ -770,11 +770,9 @@
770 770  
771 771  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
772 772  
773 -
774 774  **AT Command:**
775 775  
776 -|**Command Example**|**Function**
777 -|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
902 +[[image:image-20220523151336-9.png]]
778 778  
779 779  **Downlink Command:**
780 780  
... ... @@ -788,9 +788,7 @@
788 788  
789 789  **AT Command:**
790 790  
791 -(% border="1" %)
792 -|**Command Example**|**Function**
793 -|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
916 +[[image:image-20220523151411-10.png]]
794 794  
795 795  **Downlink Command:**
796 796  
... ... @@ -802,51 +802,8 @@
802 802  
803 803  **AT Command: AT+PDTA**
804 804  
805 -(% border="1" %)
806 -|**Command Example**|**Response**
807 -|(((
808 -AT+PDTA=1,3
928 +[[image:image-20220523151450-11.png]]
809 809  
810 -
811 -
812 -Print page 1 to 3
813 -)))|(((
814 -8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
815 -
816 -8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
817 -
818 -8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
819 -
820 -8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
821 -
822 -8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
823 -
824 -8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
825 -
826 -8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
827 -
828 -8019570
829 -
830 -8019580
831 -
832 -8019590
833 -
834 -80195A0
835 -
836 -80195B0
837 -
838 -80195C0
839 -
840 -80195D0
841 -
842 -80195E0
843 -
844 -80195F0
845 -
846 -
847 -OK
848 -)))
849 -
850 850  **Downlink Command:**
851 851  
852 852  No downlink commands for feature
... ... @@ -857,32 +857,8 @@
857 857  
858 858  **AT Command: AT+PLDTA**
859 859  
860 -(% border="1" %)
861 -|**Command Example**|**Response**
862 -|(((
863 -AT+PLDTA=5
940 +[[image:image-20220523151524-12.png]]
864 864  
865 -
866 -
867 -Print last 5 entries
868 -)))|(((
869 -Stop Tx and RTP events when read sensor data
870 -
871 -1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
872 -
873 -2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
874 -
875 -3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
876 -
877 -4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
878 -
879 -5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
880 -
881 -Start Tx and RTP events
882 -
883 -OK
884 -)))
885 -
886 886  **Downlink Command:**
887 887  
888 888  No downlink commands for feature
... ... @@ -893,14 +893,8 @@
893 893  
894 894  **AT Command: AT+CLRDTA**
895 895  
896 -(% border="1" %)
897 -|**Command Example**|**Function**|**Response**
898 -|AT+CLRDTA|Clear date record|(((
899 -Clear all stored sensor data…
952 +[[image:image-20220523151556-13.png]]
900 900  
901 -OK
902 -)))
903 -
904 904  **Downlink Command: 0xA3**
905 905  
906 906  * Example: 0xA301 ~/~/Same as AT+CLRDTA
... ... @@ -911,11 +911,15 @@
911 911  
912 912  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
913 913  
964 +(((
914 914  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
915 915  [[image:image-20220515075034-1.png||height="208" width="644"]]
967 +)))
916 916  
969 +(((
917 917  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
918 918  
972 +)))
919 919  
920 920  == 5.2 Replace Battery ==
921 921  
... ... @@ -925,47 +925,97 @@
925 925  
926 926  == 5.3 Battery Life Analyze ==
927 927  
982 +(((
928 928  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
929 929  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
985 +)))
930 930  
931 931  = 6. Order Info =
932 932  
933 -Part Number: (% class="mark" %)**LHT65N-XX**
989 +(((
990 +Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
991 +)))
934 934  
935 -**XX**: The default frequency band
993 +(((
994 +(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
995 +)))
936 936  
937 -* **AS923**: LoRaWAN AS923 band
938 -* **AU915**: LoRaWAN AU915 band
939 -* **EU433**: LoRaWAN EU433 band
940 -* **EU868**: LoRaWAN EU868 band
941 -* **KR920**: LoRaWAN KR920 band
942 -* **US915**: LoRaWAN US915 band
943 -* **IN865**: LoRaWAN IN865 band
944 -* **CN470**: LoRaWAN CN470 band
997 +* (((
998 +(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
999 +)))
1000 +* (((
1001 +(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1002 +)))
1003 +* (((
1004 +(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1005 +)))
1006 +* (((
1007 +(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1008 +)))
1009 +* (((
1010 +(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1011 +)))
1012 +* (((
1013 +(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1014 +)))
1015 +* (((
1016 +(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1017 +)))
1018 +* (((
1019 +(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1020 +)))
945 945  
946 -**YY**: Sensor Accessories
1022 +(((
1023 +(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1024 +)))
947 947  
948 -* **E3**: External Temperature Probe
1026 +* (((
1027 +(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1028 +)))
949 949  
950 950  = 7. Packing Info =
951 951  
1032 +(((
952 952  **Package Includes**:
1034 +)))
953 953  
954 -* LHT65N Temperature & Humidity Sensor x 1
955 -* Program cable x 1
956 -* Optional external sensor
1036 +* (((
1037 +LHT65N Temperature & Humidity Sensor x 1
1038 +)))
1039 +* (((
1040 +Program cable x 1
1041 +)))
1042 +* (((
1043 +Optional external sensor
1044 +)))
957 957  
1046 +(((
958 958  **Dimension and weight**:
1048 +)))
959 959  
960 -* Device Size:  13.5 x 7 x 3 cm
961 -* Device Weight: 105g
962 -* Package Size / pcs : 14.5 x 8 x 5 cm
963 -* Weight / pcs : 170g
1050 +* (((
1051 +Device Size:  13.5 x 7 x 3 cm
1052 +)))
1053 +* (((
1054 +Device Weight: 105g
1055 +)))
1056 +* (((
1057 +Package Size / pcs : 14.5 x 8 x 5 cm
1058 +)))
1059 +* (((
1060 +Weight / pcs : 170g
1061 +)))
964 964  
965 965  = 8. FCC Warning =
966 966  
1065 +(((
967 967  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1067 +)))
968 968  
1069 +(((
969 969  (1) This device may not cause harmful interference；
1071 +)))
970 970  
1073 +(((
971 971  (2) this device must accept any interference received, including interference that may cause undesired operation.
1075 +)))
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