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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
...	...	@@ -89,7 +89,6 @@
89	89	* Sewer
90	90	* Bottom water level monitoring
91	91
92		-
93	93	== 1.6  Specification ==
94	94
95	95
...	...	@@ -107,7 +107,6 @@
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 ===
...	...	@@ -366,13 +366,13 @@
366	366
367	367	Specify the software version: 0x64=100, which means firmware version 1.00.
368	368
369		-For example 0x00 64 : This device is NDS03A 1 with firmware version 1.0.0.
	364	+For example 0x00 64 : This device is NMDS200 1 with firmware version 1.0.0.
370	370
371	371
372	372	=== 2.4.3  Battery Info ===
373	373
374	374
375		-Check the battery voltage for NDS03A.
	370	+Check the battery voltage for NMDS200.
376	376
377	377	Ex1: 0x0B45 = 2885mV
378	378
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397	397	**99**    Not known or not detectable
398	398
399	399
400		-=== 2.4.5  Disalarm: (default: 0) ===
	395	+=== 2.4.5  Distance ===
401	401
402	402
403		-(% style="color:blue" %)**If Disalarm = 1**(%%), NDS03A will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many open/close event, and platform only care about the total number of pulse.
	398	+[[image:1670407401682-959.png]]
404	404
405		-(% style="color:blue" %)**If Disalarm = 0**(%%), NDS03A will send uplink at every TDC periodically and send data on each open/close event. This is useful for the application user need to monitor the open/close event in real-time.
	400	+(% style="color:blue" %)**Object1 Distance:**
406	406
407		- (% style="color:red" %)**Note:**(%%) When Disalarm=0, a high frequently open/close event will cause lots of uplink and drain battery very fast.
	402	+Distance between sensor probe to the first object. (unit: cm)
408	408
	404	+For example, if the data you get from the register is 0x02 0x05, the distance between the sensor and the measured object is
409	409
410		-=== 2.4.6  Keep Status & Keep Time ===
	406	+(% style="color:blue" %)**0205(H) = 517 (D) = 517 cm.**
411	411
412	412
413		-Shows the configure value of Alarm Base on Timeout Feature
	409	+(% style="color:blue" %)**Object2 Distance:**
414	414
	411	+Distance between sensor probe to the second object. (unit: cm)
415	415
416		-=== 2.4.7  Timestamp ===
417	417
	414	+=== 2.4.6  Timestamp ===
418	418
	416	+
419	419	Timestamp : 0x6315537b =1662342011
420	420
421	421
422		-=== 2.4.8  Switch Dual Channel Mode ===
423		-
424		-
425		-NDS03A can connect two door sensors. Another door sensor can be connected to PB15 pin. Both channels support alarm function.
426		-
427		-
428	428	== 2.5  Downlink Payload ==
429	429
430	430
431		-By default, NDS03A prints the downlink payload to console port.
	423	+By default, NMDS200 prints the downlink payload to console port.
432	432
433	433	[[image:image-20221021111414-18.png]] ​
434	434
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445	445
446	446	* (% style="color:#037691" %)**Reset**
447	447
448		-If payload = 0x04FF, it will reset the NDS03A
	440	+If payload = 0x04FF, it will reset the NMDS200
449	449
450	450	* (% style="color:#037691" %)**INTMOD**
451	451
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455	455	== 2.6  ​LED Indicator ==
456	456
457	457
458		-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.
459	459
460	460	* When the device starts normally, the LED will light up for 1 second.
461	461	* After NDS03A join NB-IoT network. The LED will be ON for 3 seconds.
462	462	* For each uplink probe, LED will be on for 500ms.
463	463
464		-== 2.7  Alarm Base on Timeout ==
465	465
466	466
	458	+== 2.7  Distance alarm function ==
	459	+
	460	+
467	467	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:
468	468
469	469