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51	51	* Micro SIM card slot for NB-IoT SIM
52	52	* 8500mAh Battery for long-term use
53	53
54		-
55	55	== 1.3 Radar probe specification ==
56	56
57	57
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65	65	* Vertical Angel: 23°
66	66
67	67
68		-
69	69	== 1.4  Storage Temperature ==
70	70
71	71
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89	89	* Sewer
90	90	* Bottom water level monitoring
91	91
92		-
93	93	== 1.6  Specification ==
94	94
95	95
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107	107	* B20 @H-FDD: 800MHz
108	108	* B28 @H-FDD: 700MHz
109	109
110		-
111	111	== 1.7  Installation ==
112	112
113	113
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344	344	* (% style="color:#037691" %)**Timestamp: **(%%)0x6390453d =1670399293 (Unix Time)
345	345
346	346
347		-
348	348	== 2.4  Payload Explanation and Sensor Interface ==
349	349
350	350	=== 2.4.1  Device ID ===
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402	402
403	403	[[image:1670407401682-959.png]]
404	404
405		-**(% style="color:blue" %)Object1 Distance:**
	400	+(% style="color:blue" %)**Object1 Distance:**
406	406
407	407	Distance between sensor probe to the first object. (unit: cm)
408	408
409	409	For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is
410	410
411		-**(% style="color:blue" %)0205(H) = 517 (D) = 517 cm.**
	406	+(% style="color:blue" %)**0205(H) = 517 (D) = 517 cm.**
412	412
413	413
414		-**(% style="color:blue" %)Object2 Distance:**
	409	+(% style="color:blue" %)**Object2 Distance:**
415	415
416	416	Distance between sensor probe to the second object. (unit: cm)
417	417
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425	425	== 2.5  Downlink Payload ==
426	426
427	427
428		-By default, NDS03A prints the downlink payload to console port.
	423	+By default, NMDS200 prints the downlink payload to console port.
429	429
430	430	[[image:image-20221021111414-18.png]] ​
431	431
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442	442
443	443	* (% style="color:#037691" %)**Reset**
444	444
445		-If payload = 0x04FF, it will reset the NDS03A
	440	+If payload = 0x04FF, it will reset the NMDS200
446	446
447	447	* (% style="color:#037691" %)**INTMOD**
448	448
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452	452	== 2.6  ​LED Indicator ==
453	453
454	454
455		-The NDS03A has an internal LED which is to show the status of different states.
	450	+The NMDS200 has an internal LED which is to show the status of different states.
456	456
457	457	* When the device starts normally, the LED will light up for 1 second.
458	458	* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
459	459	* For each uplink probe, LED will be on for 500ms.
460	460
461		-== 2.7  Alarm Base on Timeout ==
462	462
463	463
	458	+== 2.7  Distance alarm function ==
	459	+
	460	+
464	464	NDS03A can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are:
465	465
466	466