Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 108.8 >
edited by Xiaoling
on 2022/11/04 15:36
To version < 104.1 >
edited by Edwin Chen
on 2022/09/08 23:13
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -71,8 +71,6 @@
71 71  * Micro SIM card slot for NB-IoT SIM
72 72  * 8500mAh Battery for long term use
73 73  
74 -
75 -
76 76  == 1.3  Specification ==
77 77  
78 78  
... ... @@ -83,12 +83,12 @@
83 83  
84 84  (% style="color:#037691" %)**NB-IoT Spec:**
85 85  
86 -* B1 @H-FDD: 2100MHz
87 -* B3 @H-FDD: 1800MHz
88 -* B8 @H-FDD: 900MHz
89 -* B5 @H-FDD: 850MHz
90 -* B20 @H-FDD: 800MHz
91 -* B28 @H-FDD: 700MHz
84 +* - B1 @H-FDD: 2100MHz
85 +* - B3 @H-FDD: 1800MHz
86 +* - B8 @H-FDD: 900MHz
87 +* - B5 @H-FDD: 850MHz
88 +* - B20 @H-FDD: 800MHz
89 +* - B28 @H-FDD: 700MHz
92 92  
93 93  (% style="color:#037691" %)**Battery:**
94 94  
... ... @@ -103,8 +103,6 @@
103 103  * STOP Mode: 10uA @ 3.3v
104 104  * Max transmit power: 350mA@3.3v
105 105  
106 -
107 -
108 108  == ​1.4  Applications ==
109 109  
110 110  
... ... @@ -120,6 +120,7 @@
120 120  
121 121  
122 122  
119 +
123 123  == 1.5  Pin Definitions ==
124 124  
125 125  
... ... @@ -204,13 +204,13 @@
204 204  [[image:image-20220709092052-2.png]]
205 205  
206 206  
207 -(% style="color:blue" %)**Connection:**
204 +**Connection:**
208 208  
209 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
206 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
210 210  
211 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
208 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
212 212  
213 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
210 + (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
214 214  
215 215  
216 216  In the PC, use below serial tool settings:
... ... @@ -248,10 +248,10 @@
248 248  (% style="color:blue" %)**AT+PRO=1**  (%%) ~/~/ Set to use CoAP protocol to uplink
249 249  )))
250 250  * (((
251 -(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/  to set CoAP server address and port
248 +(% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%)~/~/ to set CoAP server address and port
252 252  )))
253 253  * (((
254 -(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
251 +(% style="color:blue" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/Set COAP resource path
255 255  
256 256  
257 257  
... ... @@ -259,8 +259,6 @@
259 259  
260 260  (((
261 261  For parameter description, please refer to AT command set
262 -
263 -
264 264  )))
265 265  
266 266  [[image:1657330452568-615.png]]
... ... @@ -269,8 +269,6 @@
269 269  
270 270  (((
271 271  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
272 -
273 -
274 274  )))
275 275  
276 276  [[image:1657330472797-498.png]]
... ... @@ -280,9 +280,9 @@
280 280  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
281 281  
282 282  
283 -* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
284 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
285 -* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
276 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
277 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
278 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
286 286  
287 287  [[image:1657330501006-241.png]]
288 288  
... ... @@ -294,13 +294,13 @@
294 294  === 2.2.6 Use MQTT protocol to uplink data ===
295 295  
296 296  
297 -* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/  Set to use MQTT protocol to uplink
298 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/  Set MQTT server address and port
299 -* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/  Set up the CLIENT of MQTT
300 -* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/  Set the username of MQTT
301 -* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/  Set the password of MQTT
302 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/  Set the sending topic of MQTT
303 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/  Set the subscription topic of MQTT
290 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
291 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
292 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
293 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
294 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
295 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
296 +* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
304 304  
305 305  [[image:1657249978444-674.png]]
306 306  
... ... @@ -317,8 +317,8 @@
317 317  === 2.2.7 Use TCP protocol to uplink data ===
318 318  
319 319  
320 -* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/  Set to use TCP protocol to uplink
321 -* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/  to set TCP server address and port
313 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
314 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
322 322  
323 323  [[image:image-20220709093918-1.png]]
324 324  
... ... @@ -332,29 +332,24 @@
332 332  
333 333  User can use below command to change the (% style="color:green" %)**uplink interval**.
334 334  
335 -* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/  Set Update Interval to 600s
328 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
336 336  
337 337  (((
338 -
331 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 1 hour.**
339 339  
340 -
341 -(% style="color:red" %)**NOTE:**
342 -
343 -(% style="color:red" %)**1. By default, the device will send an uplink message every 1 hour.**
344 -
345 -(% style="color:red" %)**2. When the firmware version is v1.3.2 and later firmware:**
333 +
346 346  )))
347 347  
348 -(% style="color:red" %)**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
336 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
349 349  
338 +**By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
350 350  
351 351  
352 352  == 2.3  Uplink Payload ==
353 353  
354 354  
355 -=== 2.3.1  Before Firmware v1.3.2 ===
344 +=== 2.3.1 Before Firmware 1.3.2 ===
356 356  
357 -
358 358  In this mode, uplink payload includes in total 14 bytes
359 359  
360 360  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:440px" %)
... ... @@ -364,7 +364,7 @@
364 364  |(% style="width:97px" %)**Value**|(% style="width:83px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:41px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:46px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:123px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:120px" %)[[Distance (unit: mm)>>||anchor="H2.4.5A0Distance"]]|(% style="width:80px" %)[[Interrupt>>||anchor="H2.4.6A0DigitalInterrupt"]]
365 365  
366 366  (((
367 -If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
355 +If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS751 uplink data.
368 368  )))
369 369  
370 370  
... ... @@ -371,70 +371,64 @@
371 371  [[image:1657331036973-987.png]]
372 372  
373 373  
362 +(((
363 +The payload is ASCII string, representative same HEX:
364 +)))
374 374  
375 -The payload is **ASCII** string, representative same HEX:
366 +(((
367 +0x72403155615900640c6c19029200 where:
368 +)))
376 376  
377 -(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
370 +* (((
371 +Device ID: 0x724031556159 = 724031556159
372 +)))
373 +* (((
374 +Version: 0x0064=100=1.0.0
375 +)))
378 378  
379 -**where :**
377 +* (((
378 +BAT: 0x0c6c = 3180 mV = 3.180V
379 +)))
380 +* (((
381 +Signal: 0x19 = 25
382 +)))
383 +* (((
384 +Distance: 0x0292= 658 mm
385 +)))
386 +* (((
387 +Interrupt: 0x00 = 0
380 380  
381 -* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
389 +
390 +)))
382 382  
383 -* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
392 +=== **2.3.2 Since firmware v1.3.2** ===
384 384  
385 -* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
386 -
387 -* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
388 -
389 -* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
390 -
391 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
392 -
393 -
394 -
395 -=== 2.3.2  Since firmware v1.3.2 ===
396 -
397 -
398 398  In this mode, uplink payload includes 69 bytes in total by default.
399 399  
400 400  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
401 401  
402 -(% border="1" style="background-color:#ffffcc; color:green; width:490px" %)
403 -|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:25px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:25px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:70px" %)**4**|(% style="width:40px" %)**2**|(% style="width:60px" %)**4**
404 -|=(% style="width: 95px;" %)**Value**|(% style="width:84px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:48px" %)BAT|(% style="width:123px" %)Signal Strength|(% style="width:55px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:77px" %)Distance|(% style="width:94px" %)Timestamp|(% style="width:77px" %)Distance|(% style="width:116px" %)Timestamp.......
398 +|**Size(bytes)**|**8**|2|2|1|1|1|2|4|2|4
399 +|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Distance|Timestamp|Distance|Timestamp.......
405 405  
406 406  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NDDS75 uplink data.
407 407  
408 408  [[image:image-20220908175246-1.png]]
409 409  
410 -
411 411  The payload is ASCII string, representative same HEX:
412 412  
413 -**0x (% style="color:red" %)f867787050213317 (% style="color:blue" %)0084 (% style="color:green" %)0cf4 (% style="color:#00b0f0" %)1e (% style="color:#7030a0" %)01 (% style="color:#d60093" %)00(% style="color:#a14d07" %) 0039 (% style="color:#0020b0" %)6315537b (% style="color:#663300" %)00396319baf0 00396319ba3c 00396319b988 00396319b8d4 00396319b820 00396319b76c 00396319b6b8 00396319b604 (%%)**
407 +0x(% style="color:red" %)f867787050213317(% style="color:blue" %)0084(% style="color:green" %)0cf4(% style="color:red" %)1e(% style="color:blue" %)01(% style="color:green" %)00(% style="color:red" %)**//00396319bb32//**00396319baf0//**00396319ba3c**//00396319b988//**00396319b8d4**//00396319b820//**00396319b76c**//00396319b6b8//**00396319b604**//(%%) where:
414 414  
415 -**where:**
409 +* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
410 +* (% style="color:red" %)Version: 0x0084=132=1.3.2
411 +* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
412 +* (% style="color:blue" %)Singal: 0x1e = 30
413 +* (% style="color:red" %)Mod: 0x01 = 1
414 +* Interrupt: 0x00= 0
415 +* Distance: 0x0039= 57 = 57
416 +* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
417 +* Distance,Time stamp : 00396319baf0
418 +* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
416 416  
417 -* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
418 -
419 -* (% style="color:#037691" %)**Version:**(%%) 0x0084=132=1.3.2
420 -
421 -* (% style="color:#037691" %)**BAT:**(%%)  0x0cf4 = 3316 mV = 3.316V
422 -
423 -* (% style="color:#037691" %)**Singal:**(%%)  0x1e = 30
424 -
425 -* (% style="color:#037691" %)**Mod:**(%%)**     **0x01 = 1
426 -
427 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
428 -
429 -* (% style="color:#037691" %)**Distance:**(%%) 0x0039= 57 = 57
430 -
431 -* (% style="color:#037691" %)**Time stamp:**(%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
432 -
433 -* (% style="color:#037691" %)**Distance,Time stamp:**(%%) 00396319baf0
434 -
435 -* (% style="color:#037691" %)**8 sets of recorded data: Distance,Time stamp :**(%%) //**00396319ba3c**//,.......
436 -
437 -
438 438  == 2.4  Payload Explanation and Sensor Interface ==
439 439  
440 440  
... ... @@ -452,7 +452,7 @@
452 452  )))
453 453  
454 454  (((
455 -(% style="color:blue" %)**Example :**
437 +**Example:**
456 456  )))
457 457  
458 458  (((
... ... @@ -460,23 +460,20 @@
460 460  )))
461 461  
462 462  (((
463 -The Device ID is stored in a none-erase area, Upgrade the firmware or run (% style="color:blue" %)**AT+FDR**(%%) won't erase Device ID.
445 +The Device ID is stored in a none-erase area, Upgrade the firmware or run **AT+FDR** won't erase Device ID.
464 464  )))
465 465  
466 466  
467 -(% style="color:red" %)**NOTE: When the firmware version is v1.3.2 and later firmware:**
449 +**NOTE:When the firmware version is v1.3.2 and later firmware:**
468 468  
469 -(% style="color:red" %)**By default, the Device ID equal to the last 15 bits of IMEI.**
451 +By default, the Device ID equal to the last 15 bits of IMEI.
470 470  
471 -User can use (% style="color:blue" %)**AT+DEUI**(%%) to set Device ID
453 +User can use **AT+DEUI** to set Device ID
472 472  
455 +**Example:**
473 473  
474 -(% style="color:blue" %)**Example :**
475 -
476 476  AT+DEUI=868411056754138
477 477  
478 -
479 -
480 480  === 2.4.2  Version Info ===
481 481  
482 482  
... ... @@ -571,7 +571,7 @@
571 571  )))
572 572  
573 573  (((
574 -(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/  (more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
553 +(% style="color:blue" %)**AT+INTMOD=3 **(%%) ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
575 575  )))
576 576  
577 577  
... ... @@ -672,14 +672,12 @@
672 672  )))
673 673  
674 674  
654 +== 2.6 Distance alarm function(Since firmware v1.3.2) ==
675 675  
676 -== 2.6  Distance alarm function(Since firmware v1.3.2) ==
656 +➢ AT Command:
677 677  
658 +AT+ LDDSALARM=min,max
678 678  
679 -(% style="color:blue" %)** ➢ AT Command:**
680 -
681 -(% style="color:#037691" %)** AT+ LDDSALARM=min,max**
682 -
683 683  ² When min=0, and max≠0, Alarm higher than max
684 684  
685 685  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -686,39 +686,29 @@
686 686  
687 687  ² When min≠0 and max≠0, Alarm higher than max or lower than min
688 688  
666 +Example:
689 689  
690 -(% style="color:blue" %)** Example:**
668 +AT+ LDDSALARM=260,2000 ~/~/ Alarm when distance lower than 260.
691 691  
692 -**AT+ LDDSALARM=260,2000**  ~/~/ Alarm when distance lower than 260.
693 693  
671 +== 2.7 Set the number of data to be uploaded and the recording time ==
694 694  
673 +➢ AT Command:
695 695  
696 -== 2.7  Set the number of data to be uploaded and the recording time ==
675 +AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
697 697  
677 +AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
698 698  
699 -(% style="color:blue" %)** ➢ AT Command:**
679 +== 2.8 Read or Clear cached data ==
700 700  
701 -* (% style="color:#037691" %)** AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
702 -* (% style="color:#037691" %)** AT+NOUD=8**             (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
681 +➢ AT Command:
703 703  
704 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
683 +AT+CDP ~/~/ Read cached data
705 705  
706 -[[image:image-20221009001114-1.png||height="687" width="955"]]
707 -
708 -
709 -
710 -== 2.8  Read or Clear cached data ==
711 -
712 -
713 -(% style="color:blue" %)** ➢ AT Command:**
714 -
715 -* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
716 -* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
717 -
718 718  [[image:image-20220908175333-2.png]]
719 719  
687 +AT+CDP=0 ~/~/ Clear cached data
720 720  
721 -
722 722  == 2.9  ​LED Indicator ==
723 723  
724 724  
... ... @@ -864,90 +864,90 @@
864 864  See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0>>https://www.dropbox.com/sh/aaq2xcl0bzfu0yd/AAAEAHRa7Io_465ds4Y7-F3aa?dl=0]]
865 865  
866 866  
867 -AT+<CMD>?  :  Help on <CMD>
834 +AT+<CMD>?  : Help on <CMD>
868 868  
869 -AT+<CMD>         :  Run <CMD>
836 +AT+<CMD>         : Run <CMD>
870 870  
871 -AT+<CMD>=<value> :  Set the value
838 +AT+<CMD>=<value> : Set the value
872 872  
873 -AT+<CMD>=?  :  Get the value
840 +AT+<CMD>=?  : Get the value
874 874  
875 875  
876 876  (% style="color:#037691" %)**General Commands**(%%)      
877 877  
878 -AT  :  Attention       
845 +AT  : Attention       
879 879  
880 -AT?  :  Short Help     
847 +AT?  : Short Help     
881 881  
882 -ATZ  :  MCU Reset    
849 +ATZ  : MCU Reset    
883 883  
884 -AT+TDC  :  Application Data Transmission Interval
851 +AT+TDC  : Application Data Transmission Interval
885 885  
886 -AT+CFG  :  Print all configurations
853 +AT+CFG  : Print all configurations
887 887  
888 -AT+CFGMOD           :  Working mode selection
855 +AT+CFGMOD           : Working mode selection
889 889  
890 -AT+INTMOD            :  Set the trigger interrupt mode
857 +AT+INTMOD            : Set the trigger interrupt mode
891 891  
892 -AT+5VT  :  Set extend the time of 5V power  
859 +AT+5VT  : Set extend the time of 5V power  
893 893  
894 -AT+PRO  :  Choose agreement
861 +AT+PRO  : Choose agreement
895 895  
896 -AT+WEIGRE  :  Get weight or set weight to 0
863 +AT+WEIGRE  : Get weight or set weight to 0
897 897  
898 -AT+WEIGAP  :  Get or Set the GapValue of weight
865 +AT+WEIGAP  : Get or Set the GapValue of weight
899 899  
900 -AT+RXDL  :  Extend the sending and receiving time
867 +AT+RXDL  : Extend the sending and receiving time
901 901  
902 -AT+CNTFAC  :  Get or set counting parameters
869 +AT+CNTFAC  : Get or set counting parameters
903 903  
904 -AT+SERVADDR  :  Server Address
871 +AT+SERVADDR  : Server Address
905 905  
906 -AT+TR  :  Get or Set record time"
873 +AT+TR      : Get or Set record time"
907 907  
908 -AT+APN     :  Get or set the APN
875 +AT+APN     : Get or set the APN
909 909  
910 -AT+FBAND  :  Get or Set whether to automatically modify the frequency band
877 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
911 911  
912 -AT+DNSCFG  : Get or Set DNS Server
879 +AT+DNSCFG  : Get or Set DNS Server
913 913  
914 -AT+GETSENSORVALUE   :  Returns the current sensor measurement
881 +AT+GETSENSORVALUE   : Returns the current sensor measurement
915 915  
916 -AT+NOUD  :  Get or Set the number of data to be uploaded
883 +AT+NOUD      : Get or Set the number of data to be uploaded
917 917  
918 -AT+CDP     :  Read or Clear cached data
885 +AT+CDP     : Read or Clear cached data
919 919  
920 -AT+LDDSALARM :  Get or Set alarm of distance
887 +AT+LDDSALARM : Get or Set alarm of distance
921 921  
922 922  
923 923  (% style="color:#037691" %)**COAP Management**      
924 924  
925 -AT+URI            :  Resource parameters
892 +AT+URI            : Resource parameters
926 926  
927 927  
928 928  (% style="color:#037691" %)**UDP Management**
929 929  
930 -AT+CFM          :  Upload confirmation mode (only valid for UDP)
897 +AT+CFM          : Upload confirmation mode (only valid for UDP)
931 931  
932 932  
933 933  (% style="color:#037691" %)**MQTT Management**
934 934  
935 -AT+CLIENT  :  Get or Set MQTT client
902 +AT+CLIENT               : Get or Set MQTT client
936 936  
937 -AT+UNAME  :  Get or Set MQTT Username
904 +AT+UNAME  : Get or Set MQTT Username
938 938  
939 -AT+PWD  :  Get or Set MQTT password
906 +AT+PWD                  : Get or Set MQTT password
940 940  
941 -AT+PUBTOPIC  :  Get or Set MQTT publish topic
908 +AT+PUBTOPIC  : Get or Set MQTT publish topic
942 942  
943 -AT+SUBTOPIC  :  Get or Set MQTT subscription topic
910 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
944 944  
945 945  
946 946  (% style="color:#037691" %)**Information**          
947 947  
948 -AT+FDR  :  Factory Data Reset
915 +AT+FDR  : Factory Data Reset
949 949  
950 -AT+PWORD  :  Serial Access Password
917 +AT+PWORD  : Serial Access Password
951 951  
952 952  
953 953  
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