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41	41
42	42	== 1.2 ​ Features ==
43	43
44		-
45	45	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
46		-* Monitor Temperature & Humidity via SHT31
	45	+* Ultra low power consumption
	46	+* Distance Detection by Ultrasonic technology
	47	+* Flat object range 280mm - 7500mm
	48	+* Accuracy: ±(1cm+S*0.3%) (S: Distance)
	49	+* Cable Length: 25cm
47	47	* AT Commands to change parameters
48	48	* Uplink on periodically
49	49	* Downlink to change configure
50	50	* IP66 Waterproof Enclosure
51		-* Ultra-Low Power consumption
52		-* AT Commands to change parameters
53	53	* Micro SIM card slot for NB-IoT SIM
54	54	* 8500mAh Battery for long term use
55	55
56		-
57		-
58	58	== 1.3  Specification ==
59	59
60	60
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74	74
75	75	(% style="color:#037691" %)**Battery:**
76	76
77		-
78	78	* Li/SOCI2 un-chargeable battery
79	79	* Capacity: 8500mAh
80	80	* Self Discharge: <1% / Year @ 25°C
...	...	@@ -81,7 +81,10 @@
81	81	* Max continuously current: 130mA
82	82	* Max boost current: 2A, 1 second
83	83
	82	+(% style="color:#037691" %)**Power Consumption**
84	84
	84	+* STOP Mode: 10uA @ 3.3v
	85	+* Max transmit power: 350mA@3.3v
85	85
86	86	== ​1.4  Applications ==
87	87
...	...	@@ -98,43 +98,13 @@
98	98
99	99	== 1.5  Pin Definitions ==
100	100
101		-N95S31B use the mother board from NBSN95 which as below.
102	102
103		-[[image:image-20220709144723-1.png]]
	103	+[[image:1657328609906-564.png]]
104	104
105	105
106		-=== 1.5.1 Jumper JP2 ===
107	107
108		-Power on Device when put this jumper.
	107	+= 2.  Use NDDS75 to communicate with IoT Server =
109	109
110		-
111		-
112		-=== 1.5.2 BOOT MODE / SW1 ===
113		-
114		-1) ISP: upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
115		-
116		-2) Flash: work mode, device starts to work and send out console output for further debug
117		-
118		-
119		-
120		-=== 1.5.3 Reset Button ===
121		-
122		-Press to reboot the device.
123		-
124		-
125		-
126		-=== 1.5.4 LED ===
127		-
128		-It will flash:
129		-
130		-1. When boot the device in flash mode
131		-1. Send an uplink packet
132		-
133		-
134		-
135		-
136		-= 2.  Use N95S31B to communicate with IoT Server =
137		-
138	138	== 2.1  How it works ==
139	139
140	140	(((