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Author

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1		-XWiki.David
	1	+XWiki.Xiaoling

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1	1	(% style="text-align:center" %)
2		-[[image:LMDS200_10.jpg||height="572" width="572"]]
	2	+[[image:LMDS200_10.jpg]]
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14	14	**Table of Contents：**
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16	16	{{toc/}}
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26	26	= 1.  Introduction =
27	27
28	28	== 1.1 ​ What is NMDS200 NB-IoT Microwave Radar Distance Sensor ==
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79	79	* 8500mAh Battery for long-term use
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81	81
	68	+
82	82	== 1.3 Radar probe specification ==
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84	84
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92	92	* Vertical Angel: 23°
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	82	+
95	95	== 1.4  Storage Temperature ==
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97	97
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112	112	* Bottom water level monitoring
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	103	+
115	115	== 1.6  Specification ==
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117	117
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130	130	* B28 @H-FDD: 700MHz
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	122	+
133	133	== 1.7  Installation ==
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135	135
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142	142	[[image:image-20221207170748-2.png||height="345" width="634"]]
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	135	+
145	145	== 1.8  Pin Definitions and Switch ==
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171	171
172	172	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.
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174		-[[image:image-20221209090938-1.png]]
	165	+[[image:image-20221208090742-1.png]]
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176	176
177	177	=== 2.2.1 Insert NB-IoT SIM card ===
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281	281
282	282	* (% style="color:#037691" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/  Set the subscription topic of MQTT
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284		-​ [[image:1670471584490-640.png]]
	275	+​ ​​​​​​​[[image:1670471584490-640.png]]
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286	286
287	287	[[image:1670405928926-116.png]]
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301	301	* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/  Set TCP server address and port
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303		-​ [[image:1670471613823-833.png]]
	294	+​ ​​​​​​​[[image:1670471613823-833.png]]
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305	305
306	306	[[image:image-20221021111131-15.png]]
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367	367	* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
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	361	+
370	370	== 2.4  Payload Explanation and Sensor Interface ==
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372	372	=== 2.4.1  Device ID ===
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482	482	* For each uplink probe, LED will be on for 500ms.
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	477	+
485	485	== 2.7  Distance alarm function ==
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487	487
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490	490	(% style="color:#037691" %)**Example 1:**
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492		-AT+ ALARM1 =60,200  ~/~/ Alarm when distance1 lower than 60.
	485	+AT+ ALARM1 =60,200  ~/~/ Alarm when moisture lower than 60.
493	493
494	494	AT+ ALARM2 =min,max
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497	497	(% style="color:#037691" %)**Example 2:**
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499		-AT+ ALARM2 =200,1500  ~/~/ Alarm when distance2 lower than 1500.
	492	+AT+ ALARM2 =200,1500  ~/~/ Alarm when temperature lower than 1500
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501	501
502	502	== 2.8  Set the number of data to be uploaded and the recording time ==
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721	721	* NMDS200 NB-IoT Microwave Radar Distance Sensor x 1
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	717	+
724	724	= 9.  Support =
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1		-XWiki.Xiaoling

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