Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 76.5 >
edited by Xiaoling
on 2022/05/23 15:38
To version < 73.1 >
edited by Xiaoling
on 2022/05/23 15:24
>
Change comment: Uploaded new attachment "image-20220523152434-16.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -132,7 +132,11 @@
132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -[[image:image-20220523153201-19.png||height="163" width="739"]]
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.
136 136  
137 137  == 2.3 Example to join LoRaWAN network ==
138 138  
... ... @@ -186,30 +186,35 @@
186 186  
187 187  After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
188 188  
189 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
190 -|(% style="width:97px" %)(((
193 +
194 +(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195 +|(% style="width:106px" %)(((
191 191  **Size(bytes)**
192 -)))|(% style="width:39px" %)(((
197 +)))|(% style="width:46px" %)(((
193 193  **2**
194 -)))|(% style="width:100px" %)(((
199 +)))|(% style="width:104px" %)(((
195 195  **2**
196 -)))|(% style="width:77px" %)(((
201 +)))|(% style="width:80px" %)(((
197 197  **2**
198 -)))|(% style="width:47px" %)(((
199 -**1**
200 200  )))|(% style="width:51px" %)(((
204 +**1**
205 +)))|(% style="width:35px" %)(((
201 201  **4**
202 202  )))
203 -|(% style="width:97px" %)(((
208 +|(% style="width:106px" %)(((
204 204  **Value**
205 -)))|(% style="width:39px" %)(((
210 +)))|(% style="width:46px" %)(((
206 206  [[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" %)(((
212 +)))|(% style="width:104px" %)(((
208 208  (((
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]]
214 +[[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]]
210 210  )))
211 -)))|(% style="width:77px" %)(((
216 +
212 212  (((
218 +[[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]]
219 +)))
220 +)))|(% style="width:80px" %)(((
221 +(((
213 213  [[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]]
214 214  )))
215 215  
... ... @@ -216,9 +216,9 @@
216 216  (((
217 217  [[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]]
218 218  )))
219 -)))|(% style="width:47px" %)(((
220 -[[Ext>>path:#Extension_Sensor]] #
221 221  )))|(% style="width:51px" %)(((
229 +[[Ext>>path:#Extension_Sensor]] #
230 +)))|(% style="width:35px" %)(((
222 222  [[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]]
223 223  )))
224 224  
... ... @@ -240,8 +240,40 @@
240 240  
241 241  These two bytes of BAT include the battery state and the actually voltage
242 242  
243 -[[image:image-20220523152839-18.png]]
252 +(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
253 +|(% style="width:75px" %)(((
254 +Bit(bit)
255 +)))|(% style="width:259px" %)(((
256 +[15:14]
257 +)))|(% style="width:164px" %)(((
258 +[13:0]
259 +)))
260 +|(% style="width:75px" %)(((
261 +Value
262 +)))|(% style="width:259px" %)(((
263 +(((
264 +BAT Status
265 +)))
244 244  
267 +(((
268 +00(b): Ultra Low ( BAT <= 2.50v)
269 +)))
270 +
271 +(((
272 +01(b): Low  (2.50v <=BAT <= 2.55v)
273 +)))
274 +
275 +(((
276 +10(b): OK   (2.55v <= BAT <=2.65v)
277 +)))
278 +
279 +(((
280 +11(b): Good   (BAT >= 2.65v)
281 +)))
282 +)))|(% style="width:164px" %)(((
283 +Actually BAT voltage
284 +)))
285 +
245 245  [[image:image-20220522235639-1.png||height="139" width="727"]]
246 246  
247 247  Check the battery voltage for LHT65N.
... ... @@ -269,7 +269,10 @@
269 269  
270 270  Bytes for External Sensor:
271 271  
272 -[[image:image-20220523152822-17.png]]
313 +(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
314 +|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
315 +|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
316 +|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
273 273  
274 274  === 2.4.6 Ext value ===
275 275  
... ... @@ -298,47 +298,21 @@
298 298  
299 299  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:
300 300  
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 -(((
345 +(% border="1" style="background-color:#ffffcc; color:green; width:541px" %)
346 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4**
347 +|(% 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" %)(((
321 321  [[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 -)))
323 323  
324 -(((
325 325  [[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 -(((
351 +)))|(% style="width:88px" %)(((
329 329  BAT Status &
330 -)))
331 331  
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]]
334 -)))
335 -)))|(% style="width:54px" %)(((
336 -Status & Ext
337 -)))|(% style="width:64px" %)(((
338 -(((
354 +[[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]]
355 +
356 +[[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]]
357 +)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)(((
339 339  [[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]]
340 340  )))
341 -)))
342 342  
343 343  * **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
344 344  
... ... @@ -362,7 +362,11 @@
362 362  
363 363  * **Status & Ext Byte**
364 364  
365 -[[image:image-20220523152434-16.png]]
383 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
384 +|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]**
385 +|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)(((
386 +Ext:0b(1001)
387 +)))
366 366  
367 367  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
368 368  * 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.
... ... @@ -458,8 +458,11 @@
458 458  
459 459  User can poll sensor value based on timestamps from the server. Below is the downlink command.
460 460  
461 -[[image:image-20220523152302-15.png]]
462 462  
484 +(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
485 +|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
486 +|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
487 +
463 463  (((
464 464  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.
465 465  )))
... ... @@ -485,138 +485,100 @@
485 485  **Retrieval data payload**
486 486  )))
487 487  
488 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
513 +(% border="1" style="background-color:#ffffcc; color:green; width:545px" %)
489 489  |(% style="width:93px" %)(((
490 -(((
491 491  **Size(bytes)**
492 -)))
493 493  )))|(% style="width:71px" %)(((
494 -(((
495 495  **2**
496 -)))
497 497  )))|(% style="width:102px" %)(((
498 -(((
499 499  **2**
500 -)))
501 501  )))|(% style="width:86px" %)(((
502 -(((
503 503  **2**
504 -)))
505 505  )))|(% style="width:90px" %)(((
506 -(((
507 507  **1**
508 -)))
509 509  )))|(% style="width:85px" %)(((
510 -(((
511 511  **4**
512 512  )))
513 -)))
514 514  |(% style="width:93px" %)(((
515 -(((
516 516  **Value**
517 -)))
518 518  )))|(% style="width:71px" %)(((
519 -(((
520 520  [[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 -)))
522 522  )))|(% style="width:102px" %)(((
523 523  (((
524 -(((
525 525  [[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]]
526 526  )))
527 -)))
528 528  
529 529  (((
530 -(((
531 531  [[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]]
532 532  )))
533 -)))
534 534  )))|(% style="width:86px" %)(((
535 535  (((
536 -(((
537 537  [[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]]
538 538  )))
539 -)))
540 540  
541 541  (((
542 -(((
543 543  [[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]]
544 544  )))
545 -)))
546 546  )))|(% style="width:90px" %)(((
547 -(((
548 548  [[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 -)))
550 550  )))|(% style="width:85px" %)(((
551 551  (((
552 -(((
553 553  [[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]]
554 554  )))
555 -)))
556 556  
557 557  (((
558 -(((
559 559  
560 560  )))
561 561  )))
562 -)))
563 563  
564 564  **Poll message flag & Ext**
565 565  
566 -[[image:image-20220523152208-14.png]]
561 +(% border="1" style="background-color:#ffffcc; color:green; width:540px" %)
562 +|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**
563 +|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((
564 +(((
565 +Ext:
566 +)))
567 567  
568 568  (((
569 +0b(1001)
570 +)))
571 +)))
572 +
569 569  (((
570 570  Poll Message Flag: 1: This message is a poll message reply.
571 571  )))
572 -)))
573 573  
574 574  * (((
575 -(((
576 576  Poll Message Flag is set to 1.
577 577  )))
578 -)))
579 579  * (((
580 -(((
581 581  Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
582 582  )))
583 -)))
584 584  
585 585  (((
586 -(((
587 587  For example, in US915 band, the max payload for different DR is:
588 588  )))
589 -)))
590 590  
591 591  (((
592 -(((
593 593  a) DR0: max is 11 bytes so one entry of data
594 594  )))
595 -)))
596 596  
597 597  (((
598 -(((
599 599  b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
600 600  )))
601 -)))
602 602  
603 603  (((
604 -(((
605 605  c) DR2: total payload includes 11 entries of data
606 606  )))
607 -)))
608 608  
609 609  (((
610 -(((
611 611  d) DR3: total payload includes 22 entries of data.
612 612  )))
613 -)))
614 614  
615 615  (((
616 -(((
617 617  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
618 618  )))
619 -)))
620 620  
621 621  
622 622  **Example:**
... ... @@ -916,15 +916,11 @@
916 916  
917 917  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.
918 918  
919 -(((
920 920  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
921 921  [[image:image-20220515075034-1.png||height="208" width="644"]]
922 -)))
923 923  
924 -(((
925 925  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
926 926  
927 -)))
928 928  
929 929  == 5.2 Replace Battery ==
930 930  
... ... @@ -934,97 +934,47 @@
934 934  
935 935  == 5.3 Battery Life Analyze ==
936 936  
937 -(((
938 938  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:
939 939  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
940 -)))
941 941  
942 942  = 6. Order Info =
943 943  
944 -(((
945 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
946 -)))
925 +Part Number: (% class="mark" %)**LHT65N-XX**
947 947  
948 -(((
949 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
950 -)))
927 +**XX**: The default frequency band
951 951  
952 -* (((
953 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
954 -)))
955 -* (((
956 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
957 -)))
958 -* (((
959 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
960 -)))
961 -* (((
962 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
963 -)))
964 -* (((
965 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
966 -)))
967 -* (((
968 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
969 -)))
970 -* (((
971 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
972 -)))
973 -* (((
974 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
975 -)))
929 +* **AS923**: LoRaWAN AS923 band
930 +* **AU915**: LoRaWAN AU915 band
931 +* **EU433**: LoRaWAN EU433 band
932 +* **EU868**: LoRaWAN EU868 band
933 +* **KR920**: LoRaWAN KR920 band
934 +* **US915**: LoRaWAN US915 band
935 +* **IN865**: LoRaWAN IN865 band
936 +* **CN470**: LoRaWAN CN470 band
976 976  
977 -(((
978 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
979 -)))
938 +**YY**: Sensor Accessories
980 980  
981 -* (((
982 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
983 -)))
940 +* **E3**: External Temperature Probe
984 984  
985 985  = 7. Packing Info =
986 986  
987 -(((
988 988  **Package Includes**:
989 -)))
990 990  
991 -* (((
992 -LHT65N Temperature & Humidity Sensor x 1
993 -)))
994 -* (((
995 -Program cable x 1
996 -)))
997 -* (((
998 -Optional external sensor
999 -)))
946 +* LHT65N Temperature & Humidity Sensor x 1
947 +* Program cable x 1
948 +* Optional external sensor
1000 1000  
1001 -(((
1002 1002  **Dimension and weight**:
1003 -)))
1004 1004  
1005 -* (((
1006 -Device Size:  13.5 x 7 x 3 cm
1007 -)))
1008 -* (((
1009 -Device Weight: 105g
1010 -)))
1011 -* (((
1012 -Package Size / pcs : 14.5 x 8 x 5 cm
1013 -)))
1014 -* (((
1015 -Weight / pcs : 170g
1016 -)))
952 +* Device Size:  13.5 x 7 x 3 cm
953 +* Device Weight: 105g
954 +* Package Size / pcs : 14.5 x 8 x 5 cm
955 +* Weight / pcs : 170g
1017 1017  
1018 1018  = 8. FCC Warning =
1019 1019  
1020 -(((
1021 1021  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1022 -)))
1023 1023  
1024 -(((
1025 1025  (1) This device may not cause harmful interference；
1026 -)))
1027 1027  
1028 -(((
1029 1029  (2) this device must accept any interference received, including interference that may cause undesired operation.
1030 -)))
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