Last modified by Mengting Qiu on 2024/04/02 17:03
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From version < 90.9 >
edited by Xiaoling
on 2023/04/24 10:09
To version < 82.2 >
edited by Xiaoling
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Summary

Details

Page properties
Content
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1 1  (% style="text-align:center" %)
2 -[[image:LMDS200_10.jpg||height="572" width="572"]]
2 +[[image:LMDS200_10.jpg]]
3 3  
4 4  
5 -
6 -
7 -
8 -(% style="display:none" %) (%%)
9 -
10 -
11 -
12 -
13 -
14 14  **Table of Contents：**
15 15  
16 -{{toc/}}
17 17  
18 18  
19 19  
20 20  
21 -
22 -
23 -
24 -
25 -
26 26  = 1.  Introduction =
27 27  
28 28  == 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
... ... @@ -30,37 +30,25 @@
30 30  
31 31  (((
32 32  The Dragino NMDS200 is a(% style="color:blue" %)** NB-IoT Microwave Radar distance sensor**(%%). It uses (% style="color:blue" %)**24Ghz Microwave**(%%) to detect the distance between sensor and different objects. Compare vs ultrasonic or Lidar measurement method, Microwave Radar is (% style="color:blue" %)**more reliable for condensation / dusty environment**(%%). It can sense correct distance even there is water or thick dust on top of the sensor.
33 -)))
34 34  
35 -(((
19 +
36 36  The NMDS200 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
37 -)))
38 38  
39 -(((
40 40  NMDS200 can (% style="color:blue" %)**measure two distances**(%%): the closest object and next object behind the closest one.
41 -)))
42 42  
43 -(((
44 44  NMDS200 (% style="color:blue" %)**supports Alarm Feature**(%%), user can set the NMDS200 to uplink data in a short interval when the distance is out of configured range.
45 -)))
46 46  
47 -(((
48 48  NarrowBand-Internet of Things (NB-IoT) is a (% style="color:blue" %)**standards-based low power wide area (LPWA) technology**(%%) developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity, and spectrum efficiency, especially in deep coverage.
49 -)))
50 50  
51 -(((
52 52  NMDS200 (% style="color:blue" %)**supports different uplink**(%%) methods including (% style="color:blue" %)**TCP, MQTT, UDP, and CoAP**(%%) for different application requirements.
53 -)))
54 54  
55 -(((
56 56  NMDS200 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**,(%%) It is designed for long-term use of up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
57 -)))
58 58  
59 -(((
60 60  To use NMDS200, user needs to check if there is NB-IoT coverage in the field and with the Nb-IoT bands that NMDS200 supports. If local operator support it, user needs to get a** (% style="color:blue" %)NB-IoT SIM card(%%)** from the operator and install into NMDS200 to get NB-IoT network connection.
61 61  )))
62 62  
63 63  
36 +
64 64  == ​1.2  Features ==
65 65  
66 66  
... ... @@ -78,15 +78,13 @@
78 78  * Micro SIM card slot for NB-IoT SIM
79 79  * 8500mAh Battery for long-term use
80 80  
81 -
82 -
83 83  == 1.3 Radar probe specification ==
84 84  
85 85  
86 86  * Measuring Method: FMCW
87 -* Frequency: 24.000 ~~ 24.500 GHz
58 +* Frequency: 24.000 24.500 GHz
88 88  * Measurement output power: 6dBm
89 -* Measure range: 0.5 ~~ 20m
60 +* Measure range: 0.5 20m
90 90  * Accuracy: ±0.1m
91 91  * Resolution: 0.01m
92 92  * Horizontal Angel: 78°
... ... @@ -93,7 +93,6 @@
93 93  * Vertical Angel: 23°
94 94  
95 95  
96 -
97 97  == 1.4  Storage Temperature ==
98 98  
99 99  
... ... @@ -100,9 +100,13 @@
100 100   -40°C to +85°C
101 101  
102 102  
73 +
74 +
75 +
103 103  == 1.5 ​ Applications ==
104 104  
105 105  
79 +
106 106  * Horizontal distance measurement
107 107  * Liquid level measurement
108 108  * Parking management system
... ... @@ -113,8 +113,6 @@
113 113  * Sewer
114 114  * Bottom water level monitoring
115 115  
116 -
117 -
118 118  == 1.6  Specification ==
119 119  
120 120  
... ... @@ -132,8 +132,6 @@
132 132  * B20 @H-FDD: 800MHz
133 133  * B28 @H-FDD: 700MHz
134 134  
135 -
136 -
137 137  == 1.7  Installation ==
138 138  
139 139  
... ... @@ -140,12 +140,10 @@
140 140  Sensor measure direction and angle is as below. When install the sensor, please make sure the sensor direct to object.
141 141  
142 142  
143 -[[image:image-20221207170748-1.png]]
113 +[[image:image-20221207170748-1.png]] [[image:image-20221207170748-2.png||height="366" width="672"]]
144 144  
145 145  
146 - [[image:image-20221207170748-2.png||height="345" width="634"]]
147 147  
148 -
149 149  == 1.8  Pin Definitions and Switch ==
150 150  
151 151  
... ... @@ -161,7 +161,7 @@
161 161  
162 162  The diagram below shows the working flow in the default firmware of NMDS200:
163 163  
164 -[[image:image-20221021110615-5.png||height="996" width="492"]]
132 +[[image:image-20221021110615-5.png]]
165 165  
166 166  
167 167  == 2.2 ​ Configure NMDS200 ==
... ... @@ -175,7 +175,7 @@
175 175  
176 176  Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NMDS200 will use** (% style="color:red" %)CoAP(120.24.4.116:5683)(%%)** or raw (% style="color:red" %)**UDP(120.24.4.116:5601) **(%%)or (% style="color:red" %)**MQTT(120.24.4.116:1883) **(%%)or (% style="color:red" %)**TCP(120.24.4.116:5600)protocol**(%%) to send data to the test server.
177 177  
178 -[[image:image-20221209090938-1.png]]
146 +[[image:image-20221207173300-4.png]]
179 179  
180 180  
181 181  === 2.2.1 Insert NB-IoT SIM card ===
... ... @@ -224,6 +224,7 @@
224 224  (% style="color:red" %)**Note: the valid AT Commands can be found at:  **(%%)[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
225 225  
226 226  
195 +
227 227  === 2.2.3 Use CoAP protocol to uplink data ===
228 228  
229 229  
... ... @@ -230,7 +230,7 @@
230 230  (% style="color:red" %)**Note: if you don't have a CoAP server, you can refer this link to set up a CoAP server: **(%%)[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
231 231  
232 232  
233 -(% style="color:blue" %)**Use below commands in NMDS200:**
202 +(% style="color:blue" %)**Use below commands in NDS03A:**
234 234  
235 235  * (% style="color:#037691" %)**AT+PRO=1**                (%%) ~/~/ Set to use CoAP protocol to uplink
236 236  
... ... @@ -240,7 +240,7 @@
240 240  
241 241  For parameter description, please refer to AT command set
242 242  
243 -[[image:1670471530120-960.png||height="647" width="674"]]
212 +[[image:image-20221021110948-8.png]]
244 244  
245 245  
246 246  After configuring the server address and (% style="color:green" %)**reset NMDS200**(%%) (via AT+ATZ ), NMDS200 will start to uplink sensor values to the CoAP server.
... ... @@ -259,7 +259,7 @@
259 259  
260 260  * (% style="color:#037691" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessary
261 261  
262 -​ [[image:1670471559211-638.png]]
231 +​ [[image:image-20221021111025-10.png]]
263 263  
264 264  
265 265  [[image:image-20221021111033-11.png||height="241" width="576"]]
... ... @@ -285,7 +285,7 @@
285 285  
286 286  * (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
287 287  
288 -​ [[image:1670471584490-640.png]]
257 +​ [[image:image-20221118103445-7.png]]
289 289  
290 290  
291 291  [[image:1670405928926-116.png]]
... ... @@ -304,7 +304,7 @@
304 304  
305 305  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
306 306  
307 -​ [[image:1670471613823-833.png]]
276 +​ [[image:1670406036256-101.png||height="676" width="713"]]
308 308  
309 309  
310 310  [[image:image-20221021111131-15.png]]
... ... @@ -331,15 +331,15 @@
331 331  Each time the device uploads a data package. The user can use the AT+NOUD command to upload the recorded data.Up to 32 sets of recorded data can be uploaded.
332 332  
333 333  
334 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:450px" %)
335 -|=(% scope="row" style="width: 60px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:30px" %)**2**|(% style="width:30px" %)**2**|(% style="width:75px" %)**1**|(% style="width:30px" %)**1**|(% style="width:50px" %)**1**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**
336 -|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) [[Distance 1>>||anchor="H2.4.5A0Distance"]] |(% style="width:93px" %) [[Distance 2>>||anchor="H2.4.5A0Distance"]]
303 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
304 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:50px" %)**8**|(% style="width:20px" %)**2**|(% style="width:20px" %)**2**|(% style="width:65px" %)**1**|(% style="width:25px" %)**1**|(% style="width:50px" %)**1**|(% style="width:90px" %)**2**|(% style="width:100px" %)**2**
305 +|=(% style="width: 93px;" %)**Value**|(% style="width:67px" %)[[Device ID>>||anchor="H2.4.1A0A0DeviceID"]]|(% style="width:40px" %)[[Ver>>||anchor="H2.4.2A0VersionInfo"]]|(% style="width:45px" %)[[BAT>>||anchor="H2.4.3A0BatteryInfo"]]|(% style="width:75px" %)[[Signal Strength>>||anchor="H2.4.4A0SignalStrength"]]|(% style="width:54px" %)MOD|(% style="width:62px" %)Exit flag|(% style="width:94px" %) Distance 1 |(% style="width:93px" %) Distance  2
337 337  
338 -(% border="1" style="background-color:#ffffcc; color:green; width:429px" %)
339 -|(% style="width:60px" %)**4**|(% style="width:60px" %)**2**|(% style="width:60px" %)**2**|(% style="width:60px" %)**4**|(% style="width:100px" %)(((
307 +(% border="1.5" style="background-color:#ffffcc; color:green; width:450px" %)
308 +|(% style="width:50px" %)**4**|(% style="width:90px" %)**2**|(% style="width:90px" %)**2**|(% style="width:60px" %)**4**|(% style="width:50px" %)(((
340 340  **1-32 group**
341 341  )))
342 -|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.6A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:100px" %)...
311 +|(% style="width:98px" %)[[Time stamp>>||anchor="H2.4.7A0Timestamp"]]| Distance 1 | Distance  2|(% style="width:67px" %)Time stamp|(% style="width:74px" %)...
343 343  
344 344  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NMDS200 uplink data.
345 345  
... ... @@ -346,8 +346,10 @@
346 346  [[image:1670406261143-723.png]]
347 347  
348 348  
349 -The payload is ASCII string, representative same HEX: **0x (% style="color:red" %)__f867787050471071__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)**
318 +The payload is ASCII string, representative same HEX: f867787050471071  0064  0cc3  09  01  00 00ef  013d  6390453d
350 350  
320 +**0x (% style="color:red" %)__f867787050471071__  (% style="color:blue" %)__0064__ (% style="color:green" %) __0cc3__(% style="color:#00b0f0" %) 0__9__(% style="color:#7030a0" %) __01__(% style="color:#0020b0" %) __00__ (% style="color:#420042" %)__00ef__(% style="color:#660066" %) (% style="color:#663300" %)__013d__ (% style="color:#d60093" %)__6390453d__(%%)**
321 +
351 351  **where:**
352 352  
353 353  * (% style="color:#037691" %)**Device ID:**(%%) 0x f867787050471071 = f867787050471071
... ... @@ -368,6 +368,7 @@
368 368  
369 369  * (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
370 370  
342 +
371 371  == 2.4  Payload Explanation and Sensor Interface ==
372 372  
373 373  === 2.4.1  Device ID ===
... ... @@ -389,7 +389,7 @@
389 389  
390 390  Specify the software version: 0x64=100, which means firmware version 1.00.
391 391  
392 -For example 0x00 64 : This device is NMDS200 with firmware version 1.0.0.
364 +For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
393 393  
394 394  
395 395  === 2.4.3  Battery Info ===
... ... @@ -407,17 +407,17 @@
407 407  
408 408  NB-IoT Network signal Strength.
409 409  
410 -(% style="color:blue" %)**Ex1: 0x1d = 29**
382 +**Ex1: 0x1d = 29**
411 411  
412 -(% style="color:#037691" %)**0** (%%) -113dBm or less
384 +**0**  -113dBm or less
413 413  
414 -(% style="color:#037691" %)**1**  (%%) -111dBm
386 +**1**  -111dBm
415 415  
416 -(% style="color:#037691" %)**2...30** (%%) -109dBm... -53dBm
388 +**2...30** -109dBm... -53dBm
417 417  
418 -(% style="color:#037691" %)**31** (%%) -51dBm or greater
390 +**31**   -51dBm or greater
419 419  
420 -(% style="color:#037691" %)**99** (%%) Not known or not detectable
392 +**99**    Not known or not detectable
421 421  
422 422  
423 423  === 2.4.5  Distance ===
... ... @@ -425,7 +425,6 @@
425 425  
426 426  [[image:1670407401682-959.png]]
427 427  
428 -
429 429  (% style="color:blue" %)**Object1 Distance:**
430 430  
431 431  Distance between sensor probe to the first object. (unit: cm)
... ... @@ -479,24 +479,26 @@
479 479  The NMDS200 has an internal LED which is to show the status of different states.
480 480  
481 481  * When the device starts normally, the LED will light up for 1 second.
482 -* After NMDS200 join NB-IoT network. The LED will be ON for 3 seconds.
453 +* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
483 483  * For each uplink probe, LED will be on for 500ms.
484 484  
456 +
457 +
485 485  == 2.7  Distance alarm function ==
486 486  
487 487  
488 488  (% style="color:blue" %)**AT Command: AT+ALARM1=min,max**
489 489  
490 -(% style="color:#037691" %)**Example 1:**
463 +**Example 1:**
491 491  
492 -AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
465 +AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
493 493  
494 494  AT+ ALARM2 =min,max
495 495  
496 496  
497 -(% style="color:#037691" %)**Example 2:**
470 +**Example 2:**
498 498  
499 -AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
472 +AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
500 500  
501 501  
502 502  == 2.8  Set the number of data to be uploaded and the recording time ==
... ... @@ -524,19 +524,65 @@
524 524  == 2.10  ​Firmware Change Log ==
525 525  
526 526  
527 -Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0>>https://www.dropbox.com/sh/8elvp2qi9bcv47a/AAAKp0E2nUffztF0tYhqPoE1a?dl=0]]
500 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0>>https://www.dropbox.com/sh/hacq385w6qgnonr/AAC3D79GFGF1JdZUIzNegn2Ha?dl=0]]
528 528  
529 529  Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
530 530  
531 531  
532 -== 2.11 Battery & Power Consumption ==
505 +== 2.11  ​Battery Analysis ==
533 533  
507 +=== 2.11.1  ​Battery Type ===
534 534  
535 -NMDS200 uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
536 536  
537 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
510 +The NMDS200 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
538 538  
512 +The battery is designed to last for several years depends on the actual use environment and update interval. 
539 539  
514 +The battery-related documents as below:
515 +
516 +* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
517 +
518 +* [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
519 +
520 +* [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
521 +
522 +[[image:image-20221021111911-26.png]] ​
523 +
524 +
525 +=== 2.11.2  Power consumption Analyze ===
526 +
527 +
528 +Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
529 +
530 +Instruction to use as below:
531 +
532 +(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
533 +
534 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose
535 +
536 +* Product Model
537 +
538 +* Uplink Interval
539 +
540 +* Working Mode
541 +
542 +And the Life expectation in difference case will be shown on the right.
543 +
544 +[[image:1666596205057-567.png]] ​
545 +
546 +
547 +=== 2.11.3  ​Battery Note ===
548 +
549 +
550 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
551 +
552 +
553 +=== 2.11.4  Replace the battery ===
554 +
555 +
556 +The default battery pack of NMDS200 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
557 +
558 +
540 540  = 3. ​ Access NB-IoT Module =
541 541  
542 542  
... ... @@ -580,59 +580,65 @@
580 580  
581 581  AT+INTMOD            : Set the trigger interrupt mode
582 582  
583 -AT+5VT  : Set extend the time of 5V power  
602 +AT+5VT  : Set extend the time of 5V power  
584 584  
585 -AT+PRO  : Choose agreement
604 +AT+PRO  : Choose agreement
586 586  
587 -AT+RXDL  : Extend the sending and receiving time
606 +AT+RXDL  : Extend the sending and receiving time
588 588  
589 -AT+SERVADDR  : Server Address
608 +AT+SERVADDR  : Server Address
590 590  
591 -AT+TR      :  Get or Set record time
610 +AT+TR      :  Get or Set record time
592 592  
593 -AT+NOUD :  Get or Set the number of data to be uploaded
612 +AT+NOUD      : Get or Set the number of data to be uploaded
594 594  
595 595  AT+CDP     :  Read or Clear cached data
596 596  
597 -AT+DEBUG:  Enable or Disable debug mode
616 +AT+ DEBUG   : Enable or Disable debug mode
598 598  
599 -AT+ALARM1:  Get or Set alarm of distance1
618 +AT+ TTRIG1   : Get or Set PB14 PIN Alarm Base on Timeout
600 600  
601 -AT+ALARM2:  Get or Set alarm of distance2
620 +AT+ TTRIG2   : Get or Set PB15 PIN Alarm Base on Timeout
602 602  
603 -AT+GETSENSORVALUE :  Returns the current sensor measurement
622 +AT+COUNTMOD  :  Get or Set the count mode
604 604  
605 -AT+POWERIC :  Get or set the Power IC flag
624 +AT+TTRCHANNEL  : Get or Set the number of interrupt channels
606 606  
626 +AT+TTRALARM : Get or Set TTRIG1 of Alarm interval (unit: minute)
607 607  
628 +AT+DISALARM  : Enable/Disable Alarm for door open/close or water leak event
629 +
630 +AT+ CLRC   :  Clear current door open count
631 +
632 +
608 608  (% style="color:blue" %)**COAP Management**      
609 609  
610 -AT+URI :  Resource parameters
635 +AT+URI            : Resource parameters
611 611  
612 612  
613 613  (% style="color:blue" %)**UDP Management**
614 614  
615 -AT+CFM :  Upload confirmation mode (only valid for UDP)
640 +AT+CFM          : Upload confirmation mode (only valid for UDP)
616 616  
617 617  
618 618  (% style="color:blue" %)**MQTT Management**
619 619  
620 -AT+CLIENT  : Get or Set MQTT client
645 +AT+CLIENT               : Get or Set MQTT client
621 621  
622 -AT+UNAME : Get or Set MQTT Username
647 +AT+UNAME  : Get or Set MQTT Username
623 623  
624 -AT+PWD  :  Get or Set MQTT password
649 +AT+PWD                  : Get or Set MQTT password
625 625  
626 -AT+PUBTOPIC :  Get or Set MQTT publish topic
651 +AT+PUBTOPIC  : Get or Set MQTT publish topic
627 627  
628 -AT+SUBTOPIC :  Get or Set MQTT subscription topic
653 +AT+SUBTOPIC  : Get or Set MQTT subscription topic
629 629  
630 630  
631 631  (% style="color:blue" %)**Information**          
632 632  
633 -AT+FDR :  Factory Data Reset
658 +AT+FDR  : Factory Data Reset
634 634  
635 -AT+PWORD :  Serial Access Password
660 +AT+PWORD  : Serial Access Password
636 636  
637 637  
638 638  = ​5.  FAQ =
... ... @@ -644,7 +644,7 @@
644 644  
645 645  Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
646 646  
647 -(% style="color:red" %)**Notice: **(% style="color:blue" %)**NMDS200** (%%)**and (% style="color:blue" %)LMDS200(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
672 +(% style="color:red" %)**Notice: **(% style="color:blue" %)**NDS03A** (%%)**and (% style="color:blue" %)LDS03A(%%)**(% style="color:blue" %) (%%)**share the same mother board. They use the same connection and method to update.**
648 648  
649 649  
650 650  = 6.  Trouble Shooting =
... ... @@ -661,16 +661,10 @@
661 661  In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER** (%%)while press the send key, user need to add ENTER in their string.
662 662  
663 663  
664 -== 6.3 Not able to connect to NB-IoT network and keep showing "Signal Strength:99". ==
665 -
666 -
667 -This means sensor is trying to join the NB-IoT network but fail. Please see this link for **//[[trouble shooting for signal strenght:99>>doc:Main.CSQ\:99,99.WebHome]]//**.
668 -
669 -
670 670  = 7. ​ Order Info =
671 671  
672 672  
673 -Part Number:(% style="color:blue" %)** NMDS200**
692 +Part Number**:** NDS03A
674 674  
675 675  
676 676  = 8.  Packing Info =
... ... @@ -678,10 +678,8 @@
678 678  
679 679  (% style="color:blue" %)**Package Includes**:
680 680  
681 -* NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
700 +* NDS03A Open/Close Door Sensor x 1
682 682  
683 -
684 -
685 685  = 9.  Support =
686 686  
687 687  
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