Wiki source code of NDS01 - NB-IoT Door Sensor User Manual

Version 15.1 by Xiaoling on 2022/11/12 14:36

version	line-number	content
2.2	1	(% style="text-align:center" %)
	2	[[image:image-20221112113258-1.jpeg]]
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	13
2.3	14	= 1. Introduction =
2.2	15
2.3	16	== 1.1 What is NDS01 NB-IoT Door Sensor ==
2.2	17
	18
11.2	19	The Dragino NDS01 is a NB-IOT Door Sensor for Internet of Things solution. It is used to detect the open/close event for door and uplink the event to IoT server via NB-IoT network.
2.2	20
3.2	21	Besides open/close event, NDS01 also has an internal temperature and humidity sensor which can detect the temperature and humidity inside the sensor.
2.2	22
11.2	23	(% style="color:blue" %)NarrowBand-Internet of Things (NB-IoT)(%%) is a 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.
2.2	24
11.2	25	NDS01 is powered by 2 x AAA batteries for long term use.
2.2	26
	27	*The measured temperature is 2~~3 degree higher than the actually environment temperature out of NDS01.
	28
	29
3.2	30	[[image:1668224602353-769.png]]
2.2	31
	32
	33
2.3	34	== 1.2 Specifications ==
2.2	35
3.2	36
11.2	37	(% style="color:blue" %)Common DC Characteristics:
2.2	38
3.2	39	* Supply Voltage: 2.1v ~~ 3.6v
	40	* Operating Temperature: -10 ~~ 50°C
2.2	41
11.2	42	(% style="color:blue" %)NB-IoT Spec:
2.2	43
	44	* - B1 @H-FDD: 2100MHz
	45	* - B3 @H-FDD: 1800MHz
	46	* - B8 @H-FDD: 900MHz
	47	* - B5 @H-FDD: 850MHz
	48	* - B20 @H-FDD: 800MHz
	49	* - B28 @H-FDD: 700MHz
	50
11.2	51	(% style="color:blue" %)Power Consumption
2.2	52
	53	* IDEL Mode: 10uA @ 3.3v
	54	* Max transmit power: <500mA@3.3v
	55
	56
	57
3.2	58
2.3	59	== 1.3 Features ==
	60
3.2	61
2.2	62	* NB-IoT Bands: B1/B3/B5/B8/B20/B28 @H-FDD
	63	* Ultra low power consumption
	64	* Door Open / Close Detect
	65	* Device remove alarm
	66	* Uplink Protocol: TCP or UDP
	67	* Uplink on periodically
	68	* Micro SIM card slot for NB-IoT SIM
	69	* 2 x AAA LR03 Batteries
3.2	70
11.2	71
	72
3.2	73	== 1.4 Applications ==
	74
	75
2.2	76	* Smart Buildings & Home Automation
	77	* Logistics and Supply Chain Management
	78	* Smart Cities
	79	* Smart Factory
	80
11.2	81
	82
2.3	83	= 2. Use NDS01 to communicate with IoT Server =
2.2	84
2.3	85	== 2.1 How it works ==
2.2	86
3.2	87
2.2	88	The NDS01 is equipped with a NB-IoT module, the pre-loaded firmware in NDS01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by NDS01.
	89
	90	The diagram below shows the working flow in default firmware of NDS01:
	91
	92
4.2	93	== 2.2 Configure the NDS01 ==
2.2	94
2.3	95	=== 2.2.1 Test Requirement ===
2.2	96
	97
	98	To use NDS01 in your city, make sure meet below requirements:
	99
	100	* Your local operator has already distributed a NB-IoT Network there.
	101	* The local NB-IoT network used the band that NDS01 supports.
	102	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
	103
11.2	104	Below figure shows our testing structure.Here we have NB-IoT network coverage by China Mobile, the band they use is B8. The NDS01 will use (% style="color:red" %)UDP(120.24.4.116:5601) (%%)or (% style="color:blue" %)TCP(120.24.4.116:5600)(%%)protocol to send data to IoT server.
2.2	105
	106
4.2	107	[[image:1668224789474-811.png]]
2.2	108
	109
2.3	110	=== 2.2.1 Insert SIM card ===
2.2	111
7.2	112
2.2	113	Insert the NB-IoT Card get from your provider.
	114
	115	User need to take out the NB-IoT module and insert the SIM card like below:
	116
	117
7.2	118	[[image:1668224846067-276.png]]
2.2	119
	120
2.4	121	=== 2.2.3 Configure NDS01 ===
2.2	122
7.2	123
2.2	124	User need to configure NDS01 via serial port to set the Server Address / Uplink Topic to define where and how-to uplink packets. NDS01 support AT Commands, user can use a USB to TTL adapter to connect to NDS01 and use AT Commands to configure it, NDS01 needs to be in the wake-up state when using AT commands,as below.
	125
	126
7.2	127	[[image:1668224930349-417.png]]
2.2	128
	129
7.2	130	(% style="color:blue" %)Connection:
2.2	131
7.2	132	~ (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND(%%)
2.2	133
7.2	134	~ (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD(%%)
2.2	135
7.2	136	~ (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD(%%)
2.2	137
	138
	139	In the PC, use below serial tool settings:
	140
7.2	141	* Baud: (% style="color:green" %)9600
	142	* Data bits: (% style="color:green" %)8(%%)
	143	* Stop bits: (% style="color:green" %)1
	144	* Parity: (% style="color:green" %)None
	145	* Flow Control: (% style="color:green" %)None
2.2	146
	147	After powering on the NDS01, the following information will be printed
	148
7.2	149	[[image:1668225099789-919.png]]
2.2	150
	151
7.2	152	(% style="color:blue" %)AT command set
2.2	153
7.3	154	(% style="color:#037691" %)1. Set and query the communication protocol
7.2	155
10.2	156	Send: AT+PRO=<val> Val: 0:TCP 1:UDP
2.2	157
10.2	158	Reply: OK
2.2	159
10.2	160	Send: AT+PRO? ~/~/ Inquire
2.2	161
10.2	162	Reply: +PRO:0
2.2	163
	164	OK
	165
	166
7.3	167	(% style="color:#037691" %)2. Set and query the server address
7.2	168
10.2	169	Send: AT+SERVADDR=<server>,<port>
2.2	170
10.2	171	Reply: OK
2.2	172
10.2	173	Send: AT+SERVADDR? ~/~/ Inquire
2.2	174
10.2	175	Reply: +SERVADDR:<server>,<port>
2.2	176
	177	OK
	178
	179
7.3	180	(% style="color:#037691" %)3. Set and query the TDC
2.2	181
10.2	182	Send: AT+TDC=<value> ~/~/ Heartbeat time, in seconds, the default is 86400s,which is 24 hours
2.2	183
10.2	184	Reply: OK
2.2	185
10.2	186	Send: AT+TDC? ~/~/ Inquire
7.2	187
10.2	188	Reply: +TDC:<value>
2.2	189
	190	OK
	191
	192
7.3	193	(% style="color:#037691" %)4. Query parameters
2.2	194
10.2	195	Send: AT+CFG?
2.2	196
10.2	197	Reply: +PRO:0
7.2	198
2.2	199	+SERVADDR:120.27.12.119,2023
	200
	201	+TDC:86400
	202
	203	+CSQ:31
	204
	205	+IMEI:868163049937383
	206
	207	+ICCID:898604611619C0854626
	208
	209	+IMSI:460048118204626
	210
	211	OK
	212
	213
7.3	214	(% style="color:#037691" %)5. Set and query the APN
2.2	215
10.2	216	Send: AT+APN="<apn>" ~/~/ Set APN
7.2	217
7.3	218	Reply: OK
2.2	219
7.3	220	Send: AT+APN? ~/~/ Inquire
2.2	221
7.3	222	Reply: +APN:"cmiot"
2.2	223
	224	OK
	225
	226
7.3	227	(% style="color:#037691" %)6. Alarm and Silencer
2.2	228
7.3	229	Send: AT+ALARM=<value> ~/~/ 0~~1,0: mute 1: buzzer alarm (note that no data will be reported, only the buzzer and the red light are on, if it is in silent mode, only the red light is on)
7.2	230
7.3	231	Reply: OK
2.2	232
	233
	234
2.4	235	=== 2.2.4 Use UDP protocol to uplink data (Default protocol) ===
2.2	236
10.2	237
7.2	238	* (% style="color:blue" %)AT+PRO=1 (%%) ~/~/ Set to use UDP protocol to uplink
	239	* (% style="color:blue" %)AT+SERVADDR=119.91.62.30,1999 (%%) ~/~/ to set UDP server address and port
2.2	240
10.2	241	[[image:1668231759500-524.png]]
2.2	242
11.2	243
	244
2.4	245	=== 2.2.5 Use TCP protocol to uplink data ===
3.2	246
10.2	247
7.2	248	* (% style="color:blue" %)AT+PRO=0 (%%) ~/~/ Set to use TCP protocol to uplink
	249	* (% style="color:blue" %)AT+SERVADDR=119.91.62.30,2002 (%%) ~/~/ to set TCP server address and port
2.2	250
10.2	251	[[image:1668231789502-211.png]]
2.2	252
	253
	254
2.4	255	=== 2.2.6 Change Update Interval ===
2.2	256
10.2	257
7.2	258	User can use below command to change the (% style="color:blue" %)uplink interval.
2.2	259
7.2	260	(% style="color:blue" %)AT+TDC=86400 (%%)~/~/ Set Update Interval to 86400s
2.2	261
	262
7.2	263	(% style="color:red" %)NOTE:
2.2	264
10.2	265	~1. By default, the device will send an uplink message every 24 hour (86400s).
2.2	266
	267
10.2	268	[[image:1668231824288-204.png]]
2.2	269
	270
	271
2.4	272	== 2.3 Uplink Payload ==
2.2	273
10.2	274
2.2	275	registration package, uplink payload includes in total 61 bytes
	276
	277
10.2	278	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
	279	\|(% style="width:94px" %)(((
	280	Size(bytes)
	281	)))\|(% style="width:51px" %)2\|(% style="width:68px" %)1\|(% style="width:81px" %)1\|(% style="width:96px" %)1\|(% style="width:94px" %)1\|(% style="width:80px" %)15\|(% style="width:49px" %)15\|(% style="width:57px" %)20\|(% style="width:43px" %)1\|(% style="width:59px" %)1\|(% style="width:41px" %)3
	282	\|(% style="width:94px" %)Value\|(% style="width:51px" %)head\|(% style="width:68px" %)Version\|(% style="width:81px" %)data type\|(% style="width:96px" %)Data length\|(% style="width:94px" %)device type\|(% style="width:80px" %)device ID\|(% style="width:49px" %)IMSI\|(% style="width:57px" %)ICCID\|(% style="width:43px" %)BAT\|(% style="width:59px" %)Signal\|(% style="width:41px" %)tail
2.2	283
10.4	284	The payload is ASCII string, representative same HEX: 0x (% style="color:red" %)4B57 (% style="color:blue" %)10 (% style="color:green" %)01 (% style="color:#00b0f0" %)34 (% style="color:#7030a0" %) 01 (% style="color:#d60093" %)383639393735303334343431303832 (% style="color:#0020b0" %)3839383631313230323234303134333938373632 (% style="color:#420042" %)1E (% style="color:#663300" %)15 (% style="color:#660066" %)494F54(%%)
2.2	285
10.4	286	where:
2.2	287
10.4	288	* (% style="color:#037691" %)Head: (%%)0x4B57(fixed)
2.2	289
10.4	290	* (% style="color:#037691" %)Version: (%%)0x10=”V1.0”
2.2	291
10.4	292	* (% style="color:#037691" %)Data type: (%%)0x01=1(1:register,2:data sending)
2.2	293
10.4	294	* (% style="color:#037691" %)Data length: (%%)0x34=52(Valid data is 52 bytes)
2.2	295
10.4	296	* (% style="color:#037691" %)Device type:(%%) 0x01 = 1(Representative NDS01)
2.2	297
10.4	298	* (% style="color:#037691" %)Device ID: (%%)0x383639393735303334343431303832=869975034441082(ASCII)
2.2	299
10.4	300	* (% style="color:#037691" %)IMSI:(%%) 0x343630313133313138373433373332 = 460113118743732(ASCII)
2.2	301
10.4	302	* (% style="color:#037691" %)ICCID:(%%) 0x3839383631313230323234303134333938373632=89861120224014398762(ASCII)
2.2	303
10.4	304	* (% style="color:#037691" %)Bat: (%%)0x1E = 30/10=3.0V
2.2	305
10.4	306	* (% style="color:#037691" %)Signal:(%%) 0x15=21
10.2	307
11.2	308	(% style="color:red" %) 0(%%) -113dBm or less
10.2	309
11.2	310	(% style="color:red" %) 1 (%%)-111dBm
10.2	311
11.2	312	(% style="color:red" %) 2...30(%%) -109dBm... -53dBm
10.2	313
11.2	314	(% style="color:red" %) 31 (%%)-51dBm or greater
10.2	315
11.2	316	(% style="color:red" %) 99 (%%)Not known or not detectable
10.2	317
10.4	318	* (% style="color:#037691" %)Tail: (%%)0x494F54(fixed)
	319
2.2	320	data upload, uplink payload includes in total 32 bytes
	321
11.2	322	(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:520px" %)
	323	\|(% style="width:95px" %)(((
10.2	324	Size(bytes)
11.2	325	)))\|(% style="width:51px" %)2\|(% style="width:68px" %)1\|(% style="width:51px" %)1\|(% style="width:68px" %)1\|(% style="width:61px" %)1\|(% style="width:64px" %)15\|(% style="width:57px" %)1\|(% style="width:78px" %)1\|(% style="width:42px" %)1\|(% style="width:58px" %)1\|(% style="width:67px" %)1\|(% style="width:72px" %)1\|(% style="width:67px" %)1\|(% style="width:69px" %)1\|(% style="width:38px" %)3
	326	\|(% style="width:95px" %)Value\|(% style="width:51px" %)head\|(% style="width:68px" %)Version\|(% style="width:51px" %)data type\|(% style="width:68px" %)Data length\|(% style="width:61px" %)device type\|(% style="width:64px" %)device ID\|(% style="width:57px" %)event type\|(% style="width:78px" %)Door magnetic state\|(% style="width:42px" %)BAT\|(% style="width:58px" %)Signal\|(% style="width:67px" %)(((
2.2	327	Temp
	328	integer
11.2	329	)))\|(% style="width:72px" %)(((
2.2	330	Temp
	331	decimal
11.2	332	)))\|(% style="width:67px" %)(((
2.2	333	Hum
	334	integer
11.2	335	)))\|(% style="width:69px" %)(((
2.2	336	Hum
	337	decimal
11.2	338	)))\|(% style="width:38px" %)tail
2.2	339
10.4	340	The payload is ASCII string, representative same HEX: 0x (% style="color:red" %)4B57 (% style="color:blue" %)10 (% style="color:green" %)02 (% style="color:#00b0f0" %)14 (% style="color:#7030a0" %)01 (% style="color:#d60093" %)383639393735303334343431303832 (% style="color:#a14d07" %)01 (% style="color:#0020b0" %)00 (% style="color:#420042" %)20 (% style="color:#663300" %)15 (% style="color:#660066" %)1c (% style="color:#aaaa40" %)55 (% style="color:#abaa70" %)23 (% style="color:#ba5a70" %)12 (% style="color:#acaab0" %)494F54
2.2	341
10.4	342	where:
10.2	343
10.4	344	* (% style="color:#037691" %)Head: (%%)0x4B57(fixed)
10.2	345
10.4	346	* (% style="color:#037691" %)Version: (%%)0x10=”V1.0”
2.2	347
10.4	348	* (% style="color:#037691" %)Data type: (%%)0x02=2(1:register,2:data sending)
10.2	349
10.4	350	* (% style="color:#037691" %)Data length: (%%)0x14=20(Valid data is 20 bytes)
2.2	351
10.4	352	* (% style="color:#037691" %)Device type: (%%)0x01 = 1(Representative NDS01)
2.2	353
10.4	354	* (% style="color:#037691" %)Device ID: (%%)0x383639393735303334343431303832=869975034441082(ASCII)
2.2	355
10.4	356	* (% style="color:#037691" %)Event type: (%%)0x01
2.2	357
10.4	358	(% style="color:red" %) 01:(%%) TDC
2.2	359
11.2	360	(% style="color:red" %) 02:(%%) alarm
2.2	361
11.2	362	(% style="color:red" %) 03:(%%) remove alarm
2.2	363
11.2	364	(% style="color:red" %)04: (%%)dismantling alarm
2.2	365
11.2	366	(% style="color:red" %)05: (%%)remove demolition alarm
2.2	367
11.2	368	(% style="color:red" %)06: (%%)low voltage
2.2	369
11.2	370	~ (% style="color:red" %)07: (%%)remove low voltage
2.2	371
10.4	372	* (% style="color:#037691" %)Door magnetic state: (%%)0x00
10.2	373
10.4	374	(% style="color:red" %)00:(%%) Door sensor is close
2.2	375
10.4	376	(% style="color:red" %)01: (%%)Door sensor is open
2.2	377
10.4	378	* (% style="color:#037691" %)Bat:(%%) 0x20 = 32/10=3.2V
2.2	379
10.4	380	* (% style="color:#037691" %)Signal:(%%) 0x15=21
2.2	381
10.4	382	(% style="color:red" %) 0 (%%)-113dBm or less
2.2	383
10.4	384	(% style="color:red" %) 1 (%%)-111dBm
2.2	385
10.4	386	(% style="color:red" %) 2...30(%%) -109dBm... -53dBm
10.2	387
10.4	388	(% style="color:red" %) 31 (%%)-51dBm or greater
2.2	389
10.4	390	(% style="color:red" %) 99 (%%)Not known or not detectable
	391
	392	* (% style="color:#037691" %)Temp integer:(%%) 0x1c=28
	393
	394	* (% style="color:#037691" %)Temp decimal: (%%)0x55=85
	395
2.2	396	Temp =Temp integer+(Temp decimal)/100=28+85/100=28.85℃
	397
10.4	398	* (% style="color:#037691" %)Hum integer: (%%)0x23=35
10.2	399
10.4	400	* (% style="color:#037691" %)Hum decimal: (%%)0x12=18
2.2	401
11.2	402	Hum =Hum integer+(Hum decimal)/100=35+18/100=35.18%rh
2.2	403
10.4	404	* (% style="color:#037691" %)Tail: (%%)0x494F54(fixed)
2.2	405
2.4	406	== 2.4 Node-Red Example ==
2.2	407
11.2	408
2.2	409	Please refer to this link for the use of Node-RED:
	410
11.2	411	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
2.2	412
	413	Please visit this link to download the Node-RED process:
	414
	415	[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
	416
11.2	417	[[image:1668234343252-612.png]]
2.2	418
	419
	420
2.4	421	== 2.5 Buttons and LED and Mode ==
2.2	422
	423
11.2	424	(% style="color:blue" %)Operating mode
	425
2.2	426	(1) In the self-check mode (the default is the self-check mode when power on for the first time), the state change of the tamper switch does not trigger an alarm;
	427
	428	(2) In normal working mode, the state change of the tamper switch triggers an alarm;
	429
	430	(3) In silent mode (the default is non-silent mode when power on for the first time), the buzzer is silent.
	431
	432
11.2	433	(% style="color:blue" %)led lights
2.2	434
	435	(1) After the device is powered on, the green light flashes once;
	436
	437	(2) The device does not set server parameters or cannot connect to the server, and the green light flashes quickly;
	438
	439	(3) SIM card recognition fails, the green light is always on for 20s;
	440
	441	(4) The equipment signal is poor, and the green light flashes once every 3 seconds;
	442
	443	(5) When the device sends data, the green light flashes twice;
	444
	445	(6) The communication of the equipment is normal, and the green light flashes 3 times continuously;
	446
	447	(7) Trigger the tamper switch, the red light is always on for 30s, and goes out when the alarm is canceled;
	448
	449	(8) Trigger the door magnetic alarm, the red light is always on for 30s, and goes out when the alarm is canceled;
	450
	451
11.2	452	(% style="color:blue" %)buzzer
2.2	453
	454	(1) When the door magnetic alarm is triggered, the buzzer will sound for 30s; after the alarm is restored, the buzzer will be silenced;
	455
	456	(2) Enter the normal working mode (the tamper switch is closed for more than 5s or the door sensor is locked for more than 5s), the buzzer will sound for 1500ms;
	457
	458	(3) After entering the normal working mode, the tamper switch does not close, the buzzer sounds for 30s, the tamper switch is closed, and the buzzer sounds 1 time;
	459
	460	(4) When the door sensor does not alarm, press the button to trigger the alarm, and the buzzer will sound for 30s; when the door sensor alarms, press it once to cancel the alarm, and the buzzer will be silenced.
	461
	462
11.2	463	(% style="color:blue" %)button
2.2	464
	465	(1) When there is no alarm, press it once to trigger the alarm, and the buzzer will sound; when it alarms, press the buzzer to silence the sound.
	466
	467	(2) Press twice to silence the buzzer;
	468
	469	(3) Press the button three times or more, when the mute function is turned off, the mute function is turned on, and the green light flashes once; when the mute function is turned on, the mute function is turned off, and the green light flashes once.
	470
	471
11.2	472	(% style="color:blue" %)data pack
2.2	473
	474	(1) The device needs to send a registration packet and a heartbeat packet every time it is powered on and registered;
	475
	476	(2) The heartbeat time is reported once every 24 hours by default.
	477
11.2	478
2.4	479	= 3. FAQ =
2.2	480
2.4	481	== 3.1 How to Upgrade Firmware ==
	482
11.2	483
2.2	484	User can upgrade the firmware for 1) bug fix, 2) new feature release.
	485
	486	Burning software please go to this link to download:
	487
11.2	488	(% style="color:red" %)Note:
2.2	489
	490	Disconnect one battery before starting the upgrade
	491
	492	Please use 1.8V USB TO TTL serial port
	493
11.2	494	(% style="color:blue" %)Connection:
2.2	495
11.2	496	*
	497	** (% style="background-color:yellow" %)USB TTL GND <~-~-~-~-> GND
2.2	498
11.2	499	*
	500	** (% style="background-color:yellow" %)USB TTL TXD <~-~-~-~-> UART_RXD
2.2	501
11.2	502	*
	503	** (% style="background-color:yellow" %)USB TTL RXD <~-~-~-~-> UART_TXD
2.2	504
	505	1. Double-click "FlashTool.exe" to start the program
	506
	507	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
	508
	509	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
	510
	511	1. Select burn serial port and firmware package to complete the upgrade
	512
	513	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
	514
	515	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
	516
	517	1. Install the battery to the node, and the upgrade will start at this time
	518
	519	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
	520
	521	1. The following screenshot appears, indicating that the upgrade has been successful
	522
	523	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	524
	525
2.4	526	= 4. Order Info =
2.2	527
11.2	528	Part Number: (% style="color:blue" %)NDS01
2.2	529
	530
2.4	531	= 5. Packing Info =
2.2	532
2.4	533
11.2	534	(% style="color:#037691" %)Package Includes:
2.2	535
	536	* NDS01 NB-IoT Door Sensor
	537
11.2	538	(% style="color:#037691" %)Dimension and weight:
2.2	539
	540	* Device Size:
	541	* Device Weight:
	542	* Package Size / pcs :
	543	* Weight / pcs :

Wiki source code of NDS01 - NB-IoT Door Sensor User Manual

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