Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 103.1 >
edited by Edwin Chen
on 2022/05/25 11:53
To version < 57.9 >
edited by Xiaoling
on 2022/05/23 14:08
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
2 +[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 3  
4 4  
5 5  **LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
... ... @@ -6,7 +6,6 @@
6 6  
7 7  
8 8  
9 -
10 10  **Table of Contents：**
11 11  
12 12  {{toc/}}
... ... @@ -13,9 +13,8 @@
13 13  
14 14  
15 15  
15 += 1.Introduction =
16 16  
17 -= 1. Introduction =
18 -
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  (((
... ... @@ -134,7 +134,11 @@
134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220525110604-2.png]]
135 +(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136 +|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)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|(% style="width:424px" %)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|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
138 138  
139 139  == 2.3 Example to join LoRaWAN network ==
140 140  
... ... @@ -188,42 +188,19 @@
188 188  
189 189  After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
190 190  
191 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
192 -|(% style="width:97px" %)(((
193 -**Size(bytes)**
194 -)))|(% style="width:39px" %)(((
195 -**2**
196 -)))|(% style="width:100px" %)(((
197 -**2**
198 -)))|(% style="width:77px" %)(((
199 -**2**
200 -)))|(% style="width:47px" %)(((
201 -**1**
202 -)))|(% style="width:51px" %)(((
203 -**4**
204 -)))
205 -|(% style="width:97px" %)(((
206 -**Value**
207 -)))|(% style="width:39px" %)(((
208 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
216 -)))
217 217  
218 -(((
219 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
220 -)))
221 -)))|(% style="width:47px" %)(((
222 -[[Ext>>||anchor="H2.4.5Ext23"]] #
223 -)))|(% style="width:51px" %)(((
224 -[[Ext value>>||anchor="H2.4.6Extvalue"]]
225 -)))
194 +(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:46px" %)**2**|(% style="width:104px" %)**2**|(% style="width:80px" %)**2**|(% style="width:51px" %)**1**|(% style="width:35px" %)**4**
196 +|(% style="width:106px" %)**Value**|(% style="width:46px" %)[[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]]|(% style="width:104px" %)(((
197 +[[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]]
226 226  
199 +[[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]]
200 +)))|(% style="width:80px" %)(((
201 +[[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]]
202 +
203 +[[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]]
204 +)))|(% style="width:51px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:35px" %)[[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]]
205 +
227 227  * The First 6 bytes: has fix meanings for every LHT65N.
228 228  * The 7th byte (EXT #): defines the external sensor model.
229 229  * 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.)
... ... @@ -242,8 +242,40 @@
242 242  
243 243  These two bytes of BAT include the battery state and the actually voltage
244 244  
245 -[[image:image-20220523152839-18.png]]
224 +(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
225 +|(% style="width:75px" %)(((
226 +Bit(bit)
227 +)))|(% style="width:259px" %)(((
228 +[15:14]
229 +)))|(% style="width:164px" %)(((
230 +[13:0]
231 +)))
232 +|(% style="width:75px" %)(((
233 +Value
234 +)))|(% style="width:259px" %)(((
235 +(((
236 +BAT Status
237 +)))
246 246  
239 +(((
240 +00(b): Ultra Low ( BAT <= 2.50v)
241 +)))
242 +
243 +(((
244 +01(b): Low  (2.50v <=BAT <= 2.55v)
245 +)))
246 +
247 +(((
248 +10(b): OK   (2.55v <= BAT <=2.65v)
249 +)))
250 +
251 +(((
252 +11(b): Good   (BAT >= 2.65v)
253 +)))
254 +)))|(% style="width:164px" %)(((
255 +Actually BAT voltage
256 +)))
257 +
247 247  [[image:image-20220522235639-1.png||height="139" width="727"]]
248 248  
249 249  Check the battery voltage for LHT65N.
... ... @@ -271,7 +271,10 @@
271 271  
272 272  Bytes for External Sensor:
273 273  
274 -[[image:image-20220523152822-17.png]]
285 +(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
286 +|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
287 +|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
288 +|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
275 275  
276 276  === 2.4.6 Ext value ===
277 277  
... ... @@ -300,53 +300,29 @@
300 300  
301 301  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:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
304 -|(% style="width:96px" %)(((
305 -**Size(bytes)**
306 -)))|(% style="width:71px" %)(((
307 -**2**
308 -)))|(% style="width:99px" %)(((
309 -**2**
310 -)))|(% style="width:132px" %)(((
311 -**2**
312 -)))|(% style="width:54px" %)(((
313 -**1**
314 -)))|(% style="width:64px" %)(((
315 -**4**
316 -)))
317 -|(% style="width:96px" %)(((
318 -**Value**
319 -)))|(% style="width:71px" %)(((
320 -[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
321 -)))|(% style="width:99px" %)(((
322 -(((
323 -[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
324 -)))
317 +(% border="1" style="background-color:#ffffcc; color:green; width:533px" %)
318 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:75px" %)**4**
319 +|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[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]]|(% style="width:69px" %)(((
320 +[[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]]
325 325  
326 -(((
327 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
328 -)))
329 -)))|(% style="width:132px" %)(((
330 -(((
322 +[[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]]
323 +)))|(% style="width:88px" %)(((
331 331  BAT Status &
332 -)))
333 333  
334 -(((
335 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
326 +[[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/#H2.4.4Built-inHumidity]]
327 +
328 +[[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]]
329 +)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)(((
330 +[[Unix>>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]]
331 +
332 +[[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]]
336 336  )))
337 -)))|(% style="width:54px" %)(((
338 -Status & Ext
339 -)))|(% style="width:64px" %)(((
340 -(((
341 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
342 -)))
343 -)))
344 344  
345 345  * **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
346 346  
347 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
348 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
349 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
337 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
338 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
339 +|Value|(% style="width:280px" %)(((
350 350  BAT Status
351 351  
352 352  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -356,8 +356,8 @@
356 356  10(b): OK   (2.55v <= BAT <=2.65v)
357 357  
358 358  11(b): Good   (BAT >= 2.65v)
359 -)))|(% style="width:134px" %)(((
360 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
349 +)))|(% style="width:136px" %)(((
350 +[[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]]
361 361  
362 362  
363 363  )))
... ... @@ -364,7 +364,11 @@
364 364  
365 365  * **Status & Ext Byte**
366 366  
367 -[[image:image-20220523152434-16.png]]
357 +(% border="1" style="background-color:#ffffcc; color:green; width:732px" %)
358 +|(% 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]**
359 +|(% 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" %)(((
360 +Ext:0b(1001)
361 +)))
368 368  
369 369  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370 370  * 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.
... ... @@ -397,21 +397,14 @@
397 397  
398 398  [[image:image-20220523000825-9.png||height="366" width="392"]]
399 399  
400 -[[image:image-20220523000825-10.png||height="413" width="728"]]
394 +[[image:image-20220523000825-10.png||height="432" width="762"]]
401 401  
402 402  == 2.6 Datalog Feature ==
403 403  
404 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
398 +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.
405 405  
406 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
400 +=== 2.6.1 Unix TimeStamp ===
407 407  
408 -There are two methods:
409 -
410 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
411 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
412 -
413 -=== 2.6.2 Unix TimeStamp ===
414 -
415 415  LHT65N uses Unix TimeStamp format based on
416 416  
417 417  [[image:image-20220523001219-11.png||height="97" width="627"]]
... ... @@ -425,207 +425,98 @@
425 425  Below is the converter example
426 426  )))
427 427  
428 -[[image:image-20220523001219-12.png||height="298" width="720"]]
415 +[[image:image-20220523001219-12.png||height="302" width="730"]]
429 429  
430 430  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
431 431  
432 -=== 2.6.3 Set Device Time ===
433 433  
434 -(((
420 +=== 2.6.2 Set Device Time ===
421 +
435 435  There are two ways to set device’s time:
436 -)))
437 437  
438 -(((
439 439  **~1. Through LoRaWAN MAC Command (Default settings)**
440 -)))
441 441  
442 -(((
443 443  User need to set SYNCMOD=1 to enable sync time via MAC command.
444 -)))
445 445  
446 -(((
447 447  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).
448 -)))
449 449  
450 -(((
451 451  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.
452 -)))
453 453  
454 -(((
455 -
456 -)))
457 457  
458 -(((
459 459  **2. Manually Set Time**
460 -)))
461 461  
462 -(((
463 463  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
464 -)))
465 465  
466 -=== 2.6.4 Poll sensor value ===
467 467  
438 +=== 2.6.3 Poll sensor value ===
439 +
468 468  User can poll sensor value based on timestamps from the server. Below is the downlink command.
469 469  
470 -[[image:image-20220523152302-15.png]]
471 471  
472 -(((
443 +(% border="1" style="width:454px" %)
444 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
445 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
446 +
473 473  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.
474 -)))
475 475  
476 -(((
477 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
478 -)))
479 479  
480 -(((
450 +For example, downlink command 31 5FC5F350 5FC6 0160 05
451 +
481 481  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
482 -)))
483 483  
484 -(((
485 485  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
486 -)))
487 487  
488 488  
489 -=== 2.6.5 Datalog Uplink payload ===
457 +=== 2.6.4 Datalog Uplink payload ===
490 490  
491 491  The Datalog poll reply uplink will use below payload format.
492 492  
493 -(((
494 -**Retrieval data payload**
495 -)))
496 496  
497 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
498 -|(% style="width:93px" %)(((
499 -(((
500 -**Size(bytes)**
501 -)))
502 -)))|(% style="width:71px" %)(((
503 -(((
504 -**2**
505 -)))
506 -)))|(% style="width:102px" %)(((
507 -(((
508 -**2**
509 -)))
510 -)))|(% style="width:86px" %)(((
511 -(((
512 -**2**
513 -)))
514 -)))|(% style="width:86px" %)(((
515 -(((
516 -**1**
517 -)))
518 -)))|(% style="width:48px" %)(((
519 -(((
520 -**4**
521 -)))
522 -)))
523 -|(% style="width:93px" %)(((
524 -(((
525 -**Value**
526 -)))
527 -)))|(% style="width:71px" %)(((
528 -(((
529 -[[External sensor data>>||anchor="H2.4.6Extvalue"]]
530 -)))
531 -)))|(% style="width:102px" %)(((
532 -(((
533 -(((
534 -[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
535 -)))
536 -)))
462 +Retrieval data payload
537 537  
538 -(((
539 -(((
540 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
541 -)))
542 -)))
543 -)))|(% style="width:86px" %)(((
544 -(((
545 -(((
546 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
547 -)))
548 -)))
464 +(% border="1" %)
465 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
466 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
467 +[[Built-In>>path:#SHT20_Temperature]]
549 549  
550 -(((
551 -(((
552 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
553 -)))
554 -)))
555 -)))|(% style="width:86px" %)(((
556 -(((
557 -Poll message flag & Ext
558 -)))
559 -)))|(% style="width:48px" %)(((
560 -(((
561 -(((
562 -[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
563 -)))
564 -)))
469 +[[Temperature>>path:#SHT20_Temperature]]
470 +)))|(((
471 +[[Built-in>>path:#SHT20_Humidity]]
565 565  
566 -(((
567 -(((
473 +[[Humidity>>path:#SHT20_Humidity]]
474 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
475 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
476 +
568 568  
569 569  )))
570 -)))
571 -)))
572 572  
573 -**Poll message flag & Ext**
480 +Poll message flag & Ext
574 574  
575 -[[image:image-20220523152208-14.png]]
576 576  
577 -(((
578 -(((
579 -Poll Message Flag: 1: This message is a poll message reply.
580 -)))
581 -)))
483 +(% border="1" %)
484 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
485 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
486 +Ext:
582 582  
583 -* (((
584 -(((
585 -Poll Message Flag is set to 1.
488 +0b(1001)
586 586  )))
587 -)))
588 -* (((
589 -(((
590 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
591 -)))
592 -)))
593 593  
594 -(((
595 -(((
491 +Poll Message Flag: 1: This message is a poll message reply.
492 +
493 +* Poll Message Flag is set to 1.
494 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
495 +
596 596  For example, in US915 band, the max payload for different DR is:
597 -)))
598 -)))
599 599  
600 -(((
601 -(((
602 -a) DR0: max is 11 bytes so one entry of data
603 -)))
604 -)))
498 +a)      DR0: max is 11 bytes so one entry of data
605 605  
606 -(((
607 -(((
608 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
609 -)))
610 -)))
500 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
611 611  
612 -(((
613 -(((
614 -c) DR2: total payload includes 11 entries of data
615 -)))
616 -)))
502 +c)      DR2: total payload includes 11 entries of data
617 617  
618 -(((
619 -(((
620 -d) DR3: total payload includes 22 entries of data.
621 -)))
622 -)))
504 +d)      DR3: total payload includes 22 entries of data.
623 623  
624 -(((
625 -(((
626 626  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
627 -)))
628 -)))
629 629  
630 630  
631 631  **Example:**
... ... @@ -632,27 +632,35 @@
632 632  
633 633  If LHT65N has below data inside Flash:
634 634  
635 -[[image:image-20220523144455-1.png||height="335" width="735"]]
513 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
636 636  
637 -(((
638 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
639 -)))
515 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
640 640  
641 -(((
517 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
518 +
519 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
520 +
521 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
522 +
523 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
524 +
525 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
526 +
527 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
528 +
529 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
530 +
531 +
532 +If user sends below downlink command:
533 +
534 +3160065F9760066DA705
535 +
642 642   Where : Start time: 60065F97 = time 21/1/19 04:27:03
643 -)))
644 644  
645 -(((
646 646   Stop time 60066DA7= time 21/1/19 05:27:03
647 -)))
648 648  
649 -(((
650 -
651 -)))
652 652  
653 -(((
654 654  LHT65N will uplink this payload.
655 -)))
656 656  
657 657  [[image:image-20220523001219-13.png||height="421" width="727"]]
658 658  
... ... @@ -675,51 +675,32 @@
675 675  
676 676  == 2.7 Alarm Mode ==
677 677  
678 -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.
564 +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.
679 679  
680 -(((
681 -(% 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.
682 -)))
683 683  
684 -**AT Commands for Alarm mode:**
567 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
685 685  
686 -(% class="box infomessage" %)
687 -(((
688 -(((
569 +
570 +AT Commands for Alarm mode:
571 +
689 689  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
573 +
690 690  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
691 -)))
692 -)))
693 693  
694 -(% class="wikigeneratedid" %)
695 -== ==
696 696  
577 +
697 697  == 2.8 LED Indicator ==
698 698  
699 -(((
700 700  The LHT65N has a triple color LED which for easy shows different stage.
701 -)))
702 702  
703 -(((
704 704  While pressing ACT button, the LED will work as per LED status with ACT button.
705 -)))
706 706  
707 -(((
708 708  In a normal working state:
709 -)))
710 710  
711 -* (((
712 -For each uplink, the BLUE LED or RED LED will blink once.
713 -)))
714 -* (((
715 -BLUE LED when an external sensor is connected
716 -)))
717 -* (((
718 -RED LED when an external sensor is not connected
719 -)))
720 -* (((
721 -For each success downlink, the PURPLE LED will blink once
722 -)))
586 +* For each uplink, the BLUE LED or RED LED will blink once.
587 +* BLUE LED when an external sensor is connected
588 +* RED LED when an external sensor is not connected
589 +* For each success downlink, the PURPLE LED will blink once
723 723  
724 724  ----
725 725  
... ... @@ -745,55 +745,29 @@
745 745  
746 746  = 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
747 747  
748 -(((
749 749  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
750 -)))
751 751  
752 -* (((
753 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
754 -)))
755 -* (((
756 -LoRaWAN Downlink instruction for different platforms:
757 -)))
617 +* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
618 +* LoRaWAN Downlink instruction for different platforms:
758 758  
759 -(((
760 760  [[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]]
761 -)))
762 762  
763 -(((
764 764  There are two kinds of commands to configure LHT65N, they are:
765 -)))
766 766  
767 -(((
768 -(% style="color:#4f81bd" %)* **General Commands**.
769 -)))
624 +* **General Commands**.
770 770  
771 -(((
772 772  These commands are to configure:
773 -)))
774 774  
775 -* (((
776 -General system settings like: uplink interval.
777 -)))
778 -* (((
779 -LoRaWAN protocol & radio-related commands.
780 -)))
628 +* General system settings like: uplink interval.
629 +* LoRaWAN protocol & radio-related commands.
781 781  
782 -(((
783 783  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
784 -)))
785 785  
786 -(((
787 787  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
788 -)))
789 789  
790 -(((
791 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
792 -)))
635 +* **Commands special design for LHT65N**
793 793  
794 -(((
795 795  These commands are only valid for LHT65N, as below:
796 -)))
797 797  
798 798  == 4.1 Set Transmit Interval Time ==
799 799  
... ... @@ -801,26 +801,29 @@
801 801  
802 802  **AT Command: AT+TDC**
803 803  
804 -[[image:image-20220523150701-2.png]]
645 +(% border="1" %)
646 +|**Command Example**|**Function**|**Response**
647 +|AT+TDC?|Show current transmit Interval|(((
648 +30000
805 805  
806 -(((
807 -**Downlink Command: 0x01**
650 +OK
651 +
652 +the interval is 30000ms = 30s
808 808  )))
654 +|AT+TDC=60000|Set Transmit Interval|(((
655 +OK
809 809  
810 -(((
811 -Format: Command Code (0x01) followed by 3 bytes time value.
657 +Set transmit interval to 60000ms = 60 seconds
812 812  )))
813 813  
814 -(((
660 +**Downlink Command: 0x01**
661 +
662 +Format: Command Code (0x01) followed by 3 bytes time value.
663 +
815 815  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
816 -)))
817 817  
818 -* (((
819 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
820 -)))
821 -* (((
822 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
823 -)))
666 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
667 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
824 824  
825 825  == 4.2 Set External Sensor Mode ==
826 826  
... ... @@ -828,29 +828,27 @@
828 828  
829 829  **AT Command: AT+EXT**
830 830  
831 -[[image:image-20220523150759-3.png]]
675 +(% border="1" %)
676 +|**Command Example**|**Function**|**Response**
677 +|AT+EXT?|Get current external sensor mode|(((
678 +1
832 832  
833 -(((
834 -**Downlink Command: 0xA2**
680 +OK
681 +
682 +External Sensor mode =1
835 835  )))
684 +|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
685 +|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
836 836  
837 -(((
687 +**Downlink Command: 0xA2**
688 +
838 838  Total bytes: 2 ~~ 5 bytes
839 -)))
840 840  
841 -(((
842 -**Example:**
843 -)))
691 +Example:
844 844  
845 -* (((
846 -0xA201: Set external sensor type to E1
847 -)))
848 -* (((
849 -0xA209: Same as AT+EXT=9
850 -)))
851 -* (((
852 -0xA20702003c,Same as AT+SETCNT=60
853 -)))
693 +* 0xA201: Set external sensor type to E1
694 +* 0xA209: Same as AT+EXT=9
695 +* 0xA20702003c,Same as AT+SETCNT=60
854 854  
855 855  == 4.3 Enable/Disable uplink Temperature probe ID ==
856 856  
... ... @@ -861,14 +861,17 @@
861 861  
862 862  PID is default set to disable (0)
863 863  
706 +
864 864  **AT Command:**
865 865  
866 -[[image:image-20220523150928-4.png]]
709 +(% border="1" %)
710 +|**Command Example**|**Function**|**Response**
711 +|AT+PID=1|Enable PID uplink|OK
867 867  
868 868  **Downlink Command:**
869 869  
870 -* 0xA800  **~-~->** AT+PID=0
871 -* 0xA801     **~-~->** AT+PID=1
715 +* 0xA800     à AT+PID=0
716 +* 0xA801     à AT+PID=1
872 872  
873 873  == 4.4 Set Password ==
874 874  
... ... @@ -876,15 +876,19 @@
876 876  
877 877  **AT Command: AT+PWORD**
878 878  
879 -[[image:image-20220523151052-5.png]]
724 +(% border="1" %)
725 +|**Command Example**|**Function**|**Response**
726 +|AT+PWORD=?|Show password|(((
727 +123456
880 880  
881 -(((
882 -**Downlink Command:**
729 +
730 +OK
883 883  )))
732 +|AT+PWORD=999999|Set password|OK
884 884  
885 -(((
734 +**Downlink Command:**
735 +
886 886  No downlink command for this feature.
887 -)))
888 888  
889 889  == 4.5 Quit AT Command ==
890 890  
... ... @@ -892,12 +892,15 @@
892 892  
893 893  **AT Command: AT+DISAT**
894 894  
895 -[[image:image-20220523151132-6.png]]
744 +(% border="1" %)
745 +|**Command Example**|**Function**|**Response**
746 +|AT+DISAT|Quit AT Commands mode|OK
896 896  
897 897  **Downlink Command:**
898 898  
899 899  No downlink command for this feature.
900 900  
752 +
901 901  == 4.6 Set to sleep mode ==
902 902  
903 903  Feature: Set device to sleep mode
... ... @@ -904,8 +904,15 @@
904 904  
905 905  **AT Command: AT+SLEEP**
906 906  
907 -[[image:image-20220523151218-7.png]]
759 +(% border="1" %)
760 +| | |
761 +|**Command Example**|**Function**|**Response**
762 +|AT+SLEEP|Set to sleep mode|(((
763 +Clear all stored sensor data…
908 908  
765 +OK
766 +)))
767 +
909 909  **Downlink Command:**
910 910  
911 911  * There is no downlink command to set to Sleep mode.
... ... @@ -916,8 +916,14 @@
916 916  
917 917  **AT Command:**
918 918  
919 -[[image:image-20220523151253-8.png]]
778 +(% border="1" %)
779 +|**Command Example**|**Function**
780 +|AT+TIMESTAMP=1611104352|(((
781 +OK
920 920  
783 +Set System time to 2021-01-20 00:59:12
784 +)))
785 +
921 921  **Downlink Command:**
922 922  
923 923  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
... ... @@ -924,19 +924,15 @@
924 924  
925 925  == 4.8 Set Time Sync Mode ==
926 926  
927 -(((
928 928  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
929 -)))
930 930  
931 -(((
932 932  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.
933 -)))
934 934  
935 -(((
796 +
936 936  **AT Command:**
937 -)))
938 938  
939 -[[image:image-20220523151336-9.png]]
799 +|**Command Example**|**Function**
800 +|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
940 940  
941 941  **Downlink Command:**
942 942  
... ... @@ -950,7 +950,9 @@
950 950  
951 951  **AT Command:**
952 952  
953 -[[image:image-20220523151411-10.png]]
814 +(% border="1" %)
815 +|**Command Example**|**Function**
816 +|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
954 954  
955 955  **Downlink Command:**
956 956  
... ... @@ -962,8 +962,51 @@
962 962  
963 963  **AT Command: AT+PDTA**
964 964  
965 -[[image:image-20220523151450-11.png]]
828 +(% border="1" %)
829 +|**Command Example**|**Response**
830 +|(((
831 +AT+PDTA=1,3
966 966  
833 +
834 +
835 +Print page 1 to 3
836 +)))|(((
837 +8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
838 +
839 +8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
840 +
841 +8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
842 +
843 +8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
844 +
845 +8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
846 +
847 +8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
848 +
849 +8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
850 +
851 +8019570
852 +
853 +8019580
854 +
855 +8019590
856 +
857 +80195A0
858 +
859 +80195B0
860 +
861 +80195C0
862 +
863 +80195D0
864 +
865 +80195E0
866 +
867 +80195F0
868 +
869 +
870 +OK
871 +)))
872 +
967 967  **Downlink Command:**
968 968  
969 969  No downlink commands for feature
... ... @@ -974,41 +974,54 @@
974 974  
975 975  **AT Command: AT+PLDTA**
976 976  
977 -[[image:image-20220523151524-12.png]]
883 +(% border="1" %)
884 +|**Command Example**|**Response**
885 +|(((
886 +AT+PLDTA=5
978 978  
979 -**Downlink Command:**
980 980  
981 -No downlink commands for feature
982 982  
983 -== 4.12 Clear Flash Record ==
890 +Print last 5 entries
891 +)))|(((
892 +Stop Tx and RTP events when read sensor data
984 984  
985 -Feature: Clear flash storage for data log feature.
894 +1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
986 986  
987 -**AT Command: AT+CLRDTA**
896 +2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
988 988  
989 -[[image:image-20220523151556-13.png]]
898 +3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
990 990  
991 -**Downlink Command: 0xA3**
900 +4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
992 992  
993 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
902 +5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
994 994  
995 -== 4.13 Auto Send None-ACK messages ==
904 +Start Tx and RTP events
996 996  
997 -Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
906 +OK
907 +)))
998 998  
909 +**Downlink Command:**
999 999  
1000 -**AT Command: AT+PNACKMD**
911 +No downlink commands for feature
1001 1001  
1002 -The default factory setting is 0
913 +== 4.12 Clear Flash Record ==
1003 1003  
1004 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1005 -|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1006 -|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
915 +Feature: Clear flash storage for data log feature.
1007 1007  
1008 -**Downlink Command: 0x34**
917 +**AT Command: AT+CLRDTA**
1009 1009  
1010 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
919 +(% border="1" %)
920 +|**Command Example**|**Function**|**Response**
921 +|AT+CLRDTA|Clear date record|(((
922 +Clear all stored sensor data…
1011 1011  
924 +OK
925 +)))
926 +
927 +**Downlink Command: 0xA3**
928 +
929 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
930 +
1012 1012  = 5. Battery & How to replace =
1013 1013  
1014 1014  == 5.1 Battery Type ==
... ... @@ -1015,15 +1015,11 @@
1015 1015  
1016 1016  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.
1017 1017  
1018 -(((
1019 1019  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1020 1020  [[image:image-20220515075034-1.png||height="208" width="644"]]
1021 -)))
1022 1022  
1023 -(((
1024 1024  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1025 1025  
1026 -)))
1027 1027  
1028 1028  == 5.2 Replace Battery ==
1029 1029  
... ... @@ -1033,97 +1033,47 @@
1033 1033  
1034 1034  == 5.3 Battery Life Analyze ==
1035 1035  
1036 -(((
1037 1037  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:
1038 1038  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1039 -)))
1040 1040  
1041 1041  = 6. Order Info =
1042 1042  
1043 -(((
1044 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1045 -)))
956 +Part Number: (% class="mark" %)**LHT65N-XX**
1046 1046  
1047 -(((
1048 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1049 -)))
958 +**XX**: The default frequency band
1050 1050  
1051 -* (((
1052 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1053 -)))
1054 -* (((
1055 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1056 -)))
1057 -* (((
1058 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1059 -)))
1060 -* (((
1061 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1062 -)))
1063 -* (((
1064 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1065 -)))
1066 -* (((
1067 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1068 -)))
1069 -* (((
1070 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1071 -)))
1072 -* (((
1073 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1074 -)))
960 +* **AS923**: LoRaWAN AS923 band
961 +* **AU915**: LoRaWAN AU915 band
962 +* **EU433**: LoRaWAN EU433 band
963 +* **EU868**: LoRaWAN EU868 band
964 +* **KR920**: LoRaWAN KR920 band
965 +* **US915**: LoRaWAN US915 band
966 +* **IN865**: LoRaWAN IN865 band
967 +* **CN470**: LoRaWAN CN470 band
1075 1075  
1076 -(((
1077 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1078 -)))
969 +**YY**: Sensor Accessories
1079 1079  
1080 -* (((
1081 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1082 -)))
971 +* **E3**: External Temperature Probe
1083 1083  
1084 1084  = 7. Packing Info =
1085 1085  
1086 -(((
1087 1087  **Package Includes**:
1088 -)))
1089 1089  
1090 -* (((
1091 -LHT65N Temperature & Humidity Sensor x 1
1092 -)))
1093 -* (((
1094 -Program cable x 1
1095 -)))
1096 -* (((
1097 -Optional external sensor
1098 -)))
977 +* LHT65N Temperature & Humidity Sensor x 1
978 +* Program cable x 1
979 +* Optional external sensor
1099 1099  
1100 -(((
1101 1101  **Dimension and weight**:
1102 -)))
1103 1103  
1104 -* (((
1105 -Device Size:  13.5 x 7 x 3 cm
1106 -)))
1107 -* (((
1108 -Device Weight: 105g
1109 -)))
1110 -* (((
1111 -Package Size / pcs : 14.5 x 8 x 5 cm
1112 -)))
1113 -* (((
1114 -Weight / pcs : 170g
1115 -)))
983 +* Device Size:  13.5 x 7 x 3 cm
984 +* Device Weight: 105g
985 +* Package Size / pcs : 14.5 x 8 x 5 cm
986 +* Weight / pcs : 170g
1116 1116  
1117 1117  = 8. FCC Warning =
1118 1118  
1119 -(((
1120 1120  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1121 -)))
1122 1122  
1123 -(((
1124 1124  (1) This device may not cause harmful interference；
1125 -)))
1126 1126  
1127 -(((
1128 1128  (2) this device must accept any interference received, including interference that may cause undesired operation.
1129 -)))
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