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	71	+
71	71	== 1.3  Specification ==
72	72
73	73
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76	76	* Supply Voltage: 2.1v ~~ 3.6v
77	77	* Operating Temperature: -40 ~~ 85°C
78	78
	80	+
79	79	(% style="color:#037691" %)**NB-IoT Spec:**
80	80
81	81	* - B1 @H-FDD: 2100MHz
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85	85	* - B20 @H-FDD: 800MHz
86	86	* - B28 @H-FDD: 700MHz
87	87
	90	+
88	88	(% style="color:#037691" %)**Battery:**
89	89
90	90	* Li/SOCI2 un-chargeable battery
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96	96
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	101	+
98	98	== ​1.4  Applications ==
99	99
100	100	* Smart Buildings & Home Automation
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108	108	​
109	109
110	110
111		-== 1.5  Pin Definitions & Switch ==
	115	+== 1.5  Pin Definitions ==
112	112
113	113	N95S31B use the mother board from NBSN95 which as below.
114	114
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147	147	1. Send an uplink packet
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149	149
	154	+
	155	+
150	150	= 2.  Use N95S31B to communicate with IoT Server =
151	151
152	152	== 2.1  How it works ==
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165	165
166	166	)))
167	167
168		-[[image:1657520100595-569.png]]
	174	+[[image:1657350248151-650.png]]
169	169
170	170	(((
171	171
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429	429	)))
430	430	1. (((
431	431	By default, the device will send an uplink message every 1 hour.
	438	+)))
432	432
433	433
434	434
435		-
436		-)))
437	437
438	438	=== 2.3.1  Payload Analyze ===
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527	527
528	528	=== 2.3.3  Version Info ===
529	529
530		-(((
	535	+
531	531	These bytes include the hardware and software version.
532		-)))
533	533
534		-(((
535	535	Higher byte: Specify hardware version: always 0x00 for N95S31B
536		-)))
537	537
538		-(((
539	539	Lower byte: Specify the software version: 0x6E=110, means firmware version 110
540		-)))
541	541
542		-(((
543		-
544		-)))
545	545
546		-(((
547	547	For example: 0x00 6E: this device is N95S31B with firmware version 110.
548		-)))
549	549
550	550	(((
551	551
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616	616
617	617	== 2.4  Downlink Payload ==
618	618
619		-By default, N95S31B prints the downlink payload to console port.
	614	+By default, NDDS75 prints the downlink payload to console port.
620	620
621	621	[[image:image-20220709100028-1.png]]
622	622
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654	654	)))
655	655
656	656	(((
657		-If payload = 0x04FF, it will reset the N95S31B
	652	+If payload = 0x04FF, it will reset the NDDS75
658	658	)))
659	659
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1657520100595-569.png

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1		-XWiki.Xiaoling

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1		-126.1 KB

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