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 < 104.2 >
edited by Xiaoling
on 2022/09/09 10:26
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -72,7 +72,6 @@
72 72  * 8500mAh Battery for long term use
73 73  
74 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
85 +* - B1 @H-FDD: 2100MHz
86 +* - B3 @H-FDD: 1800MHz
87 +* - B8 @H-FDD: 900MHz
88 +* - B5 @H-FDD: 850MHz
89 +* - B20 @H-FDD: 800MHz
90 +* - B28 @H-FDD: 700MHz
92 92  
93 93  (% style="color:#037691" %)**Battery:**
94 94  
... ... @@ -104,7 +104,6 @@
104 104  * Max transmit power: 350mA@3.3v
105 105  
106 106  
107 -
108 108  == ​1.4  Applications ==
109 109  
110 110  
... ... @@ -120,6 +120,7 @@
120 120  
121 121  
122 122  
121 +
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:**
206 +**Connection:**
208 208  
209 - (% style="background-color:yellow" %)**USB TTL GND <~-~-~-~-> GND**
208 + (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
210 210  
211 -**~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)**
210 + (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
212 212  
213 -**~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)**
212 + (% 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
250 +(% 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
253 +(% 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  
... ... @@ -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
282 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
283 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
284 +* (% 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
296 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
297 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
298 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
299 +* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
300 +* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
301 +* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
302 +* (% 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
319 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
320 +* (% 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  
... ... @@ -332,19 +332,16 @@
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
334 +* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
336 336  
337 337  (((
338 -
337 +(% style="color:red" %)**NOTE 1: 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:**
339 +
346 346  )))
347 347  
342 +(% style="color:red" %)**NOTE 2: When the firmware version is v1.3.2 and later firmware:**
343 +
348 348  (% 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).**
349 349  
350 350  
... ... @@ -352,7 +352,7 @@
352 352  == 2.3  Uplink Payload ==
353 353  
354 354  
355 -=== 2.3.1  Before Firmware v1.3.2 ===
351 +=== 2.3.1  Before Firmware 1.3.2 ===
356 356  
357 357  
358 358  In this mode, uplink payload includes in total 14 bytes
... ... @@ -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.
363 +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  
... ... @@ -371,37 +371,49 @@
371 371  [[image:1657331036973-987.png]]
372 372  
373 373  
374 -
370 +(((
375 375  The payload is **ASCII** string, representative same HEX:
372 +)))
376 376  
377 -(% style="background-color:yellow" %)**0x 724031556159 0064 0c6c 19 0292 00 **
374 +(((
375 +0x72403155615900640c6c19029200 where:
376 +)))
378 378  
379 -**where :**
378 +* (((
379 +Device ID: 0x724031556159 = 724031556159
380 +)))
381 +* (((
382 +Version:  0x0064=100=1.0.0
383 +)))
380 380  
381 -* (% style="color:#037691" %)**Device ID:**(%%) 0x724031556159 = 724031556159
385 +* (((
386 +BAT:  0x0c6c = 3180 mV = 3.180V
387 +)))
388 +* (((
389 +Signal: 0x19 = 25
390 +)))
391 +* (((
392 +Distance: 0x0292= 658 mm
393 +)))
394 +* (((
395 +Interrupt: 0x00 = 0
382 382  
383 -* (% style="color:#037691" %)**Version:**(%%)  0x0064=100=1.0.0
384 384  
385 -* (% style="color:#037691" %)**BAT:** (%%) 0x0c6c = 3180 mV = 3.180V
386 386  
387 -* (% style="color:#037691" %)**Signal:**(%%)  0x19 = 25
388 388  
389 -* (% style="color:#037691" %)**Distance:**  (%%)0x0292= 658 mm
400 +
401 +)))
390 390  
391 -* (% style="color:#037691" %)**Interrupt:**(%%) 0x00 = 0
403 +=== **2.3.2  Since firmware v1.3.2** ===
392 392  
393 393  
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.......
410 +(% border="2" style="background-color:#ffffcc; color:green; width:896px" %)
411 +|(% style="width:95px" %)**Size(bytes)**|(% style="width:84px" %)**8**|(% style="width:44px" %)2|(% style="width:48px" %)2|(% style="width:123px" %)1|(% style="width:55px" %)1|(% style="width:80px" %)1|(% style="width:77px" %)2|(% style="width:94px" %)4|(% style="width:77px" %)2|(% style="width:116px" %)4
412 +|(% 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.......
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  
... ... @@ -410,31 +410,20 @@
410 410  
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 (%%)**
421 +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:**
423 +* (% style="color:green" %)Device ID: f867787050213317 = f867787050213317
424 +* (% style="color:red" %)Version: 0x0084=132=1.3.2
425 +* (% style="color:green" %)BAT: 0x0cf4 = 3316 mV = 3.316V
426 +* (% style="color:blue" %)Singal: 0x1e = 30
427 +* (% style="color:red" %)Mod: 0x01 = 1
428 +* Interrupt: 0x00= 0
429 +* Distance: 0x0039= 57 = 57
430 +* Time stamp : 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
431 +* Distance,Time stamp : 00396319baf0
432 +* (% style="color:red" %) 8 sets of recorded data: Distance,Time stamp : //**00396319ba3c**//,.......
416 416  
417 -* (% style="color:#037691" %)**Device ID:**(%%) f867787050213317 = f867787050213317
418 418  
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  
... ... @@ -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]])**.**
571 +(% 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  
... ... @@ -698,27 +698,27 @@
698 698  
699 699  (% style="color:blue" %)** ➢ AT Command:**
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.
698 +(% 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)
703 703  
704 - The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
700 +(% 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.
705 705  
706 -[[image:image-20221009001114-1.png||height="687" width="955"]]
707 707  
708 708  
709 -
710 710  == 2.8  Read or Clear cached data ==
711 711  
712 712  
713 713  (% style="color:blue" %)** ➢ AT Command:**
714 714  
715 -* (% style="color:#037691" %)** AT+CDP ** (%%) ~/~/  Read cached data
716 -* (% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/  Clear cached data
709 +(% style="color:#037691" %)** AT+CDP ** (%%) ~/~/ Read cached data
717 717  
711 +
718 718  [[image:image-20220908175333-2.png]]
719 719  
720 720  
715 +(% style="color:#037691" %)** AT+CDP=0**  (%%) ~/~/ Clear cached data
721 721  
717 +
718 +
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>
864 +AT+<CMD>?  : Help on <CMD>
868 868  
869 -AT+<CMD>         :  Run <CMD>
866 +AT+<CMD>         : Run <CMD>
870 870  
871 -AT+<CMD>=<value> :  Set the value
868 +AT+<CMD>=<value> : Set the value
872 872  
873 -AT+<CMD>=?  :  Get the value
870 +AT+<CMD>=?  : Get the value
874 874  
875 875  
876 876  (% style="color:#037691" %)**General Commands**(%%)      
877 877  
878 -AT  :  Attention       
875 +AT  : Attention       
879 879  
880 -AT?  :  Short Help     
877 +AT?  : Short Help     
881 881  
882 -ATZ  :  MCU Reset    
879 +ATZ  : MCU Reset    
883 883  
884 -AT+TDC  :  Application Data Transmission Interval
881 +AT+TDC  : Application Data Transmission Interval
885 885  
886 -AT+CFG  :  Print all configurations
883 +AT+CFG  : Print all configurations
887 887  
888 -AT+CFGMOD           :  Working mode selection
885 +AT+CFGMOD           : Working mode selection
889 889  
890 -AT+INTMOD            :  Set the trigger interrupt mode
887 +AT+INTMOD            : Set the trigger interrupt mode
891 891  
892 -AT+5VT  :  Set extend the time of 5V power  
889 +AT+5VT  : Set extend the time of 5V power  
893 893  
894 -AT+PRO  :  Choose agreement
891 +AT+PRO  : Choose agreement
895 895  
896 -AT+WEIGRE  :  Get weight or set weight to 0
893 +AT+WEIGRE  : Get weight or set weight to 0
897 897  
898 -AT+WEIGAP  :  Get or Set the GapValue of weight
895 +AT+WEIGAP  : Get or Set the GapValue of weight
899 899  
900 -AT+RXDL  :  Extend the sending and receiving time
897 +AT+RXDL  : Extend the sending and receiving time
901 901  
902 -AT+CNTFAC  :  Get or set counting parameters
899 +AT+CNTFAC  : Get or set counting parameters
903 903  
904 -AT+SERVADDR  :  Server Address
901 +AT+SERVADDR  : Server Address
905 905  
906 -AT+TR  :  Get or Set record time"
903 +AT+TR      : Get or Set record time"
907 907  
908 -AT+APN     :  Get or set the APN
905 +AT+APN     : Get or set the APN
909 909  
910 -AT+FBAND  :  Get or Set whether to automatically modify the frequency band
907 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
911 911  
912 -AT+DNSCFG  : Get or Set DNS Server
909 +AT+DNSCFG  : Get or Set DNS Server
913 913  
914 -AT+GETSENSORVALUE   :  Returns the current sensor measurement
911 +AT+GETSENSORVALUE   : Returns the current sensor measurement
915 915  
916 -AT+NOUD  :  Get or Set the number of data to be uploaded
913 +AT+NOUD      : Get or Set the number of data to be uploaded
917 917  
918 -AT+CDP     :  Read or Clear cached data
915 +AT+CDP     : Read or Clear cached data
919 919  
920 -AT+LDDSALARM :  Get or Set alarm of distance
917 +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
922 +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)
927 +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
932 +AT+CLIENT               : Get or Set MQTT client
936 936  
937 -AT+UNAME  :  Get or Set MQTT Username
934 +AT+UNAME  : Get or Set MQTT Username
938 938  
939 -AT+PWD  :  Get or Set MQTT password
936 +AT+PWD                  : Get or Set MQTT password
940 940  
941 -AT+PUBTOPIC  :  Get or Set MQTT publish topic
938 +AT+PUBTOPIC  : Get or Set MQTT publish topic
942 942  
943 -AT+SUBTOPIC  :  Get or Set MQTT subscription topic
940 +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
945 +AT+FDR  : Factory Data Reset
949 949  
950 -AT+PWORD  :  Serial Access Password
947 +AT+PWORD  : Serial Access Password
951 951  
952 952  
953 953  
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