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41	41
42	42	== 1.2 ​ Features ==
43	43
	44	+
44	44	* NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
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
	46	+* Monitor Temperature & Humidity via SHT31
50	50	* AT Commands to change parameters
51	51	* Uplink on periodically
52	52	* Downlink to change configure
53	53	* IP66 Waterproof Enclosure
	51	+* Ultra-Low Power consumption
	52	+* AT Commands to change parameters
54	54	* Micro SIM card slot for NB-IoT SIM
55	55	* 8500mAh Battery for long term use
56	56
	56	+
	57	+
57	57	== 1.3  Specification ==
58	58
59	59
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73	73
74	74	(% style="color:#037691" %)**Battery:**
75	75
	77	+
76	76	* Li/SOCI2 un-chargeable battery
77	77	* Capacity: 8500mAh
78	78	* Self Discharge: <1% / Year @ 25°C
...	...	@@ -79,10 +79,7 @@
79	79	* Max continuously current: 130mA
80	80	* Max boost current: 2A, 1 second
81	81
82		-(% style="color:#037691" %)**Power Consumption**
83	83
84		-* STOP Mode: 10uA @ 3.3v
85		-* Max transmit power: 350mA@3.3v
86	86
87	87	== ​1.4  Applications ==
88	88
...	...	@@ -99,13 +99,43 @@
99	99
100	100	== 1.5  Pin Definitions ==
101	101
	101	+N95S31B use the mother board from NBSN95 which as below.
102	102
103		-[[image:1657328609906-564.png]]
	103	+[[image:image-20220709144723-1.png]]
104	104
105	105
	106	+=== 1.5.1 Jumper JP2 ===
106	106
107		-= 2.  Use NDDS75 to communicate with IoT Server =
	108	+Power on Device when put this jumper.
108	108
	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	+
109	109	== 2.1  How it works ==
110	110
111	111	(((