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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 70.2
edited by Xiaoling
on 2023/08/19 10:26
Change comment: There is no comment for this version
To version 70.4
edited by Xiaoling
on 2023/08/19 10:35
Change comment: There is no comment for this version

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... ... @@ -14,7 +14,7 @@
14 14  
15 15  = 1. Introduction =
16 16  
17 -== 1.1 What is S31x-LB NB-IoT Temperature & Humidity Sensor ==
17 +== 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
18 18  
19 19  
20 20  The Dragino S31-NB and S31B-NB are **NB-IoT Temperature and Humidity Sensor** for Internet of Things solution. It is used to measure the surrounding **environment temperature and relative air humidity precisely**, and then upload to IoT server via NB-IoT network*.
... ... @@ -34,17 +34,17 @@
34 34  == 1.2 ​Features ==
35 35  
36 36  
37 -* LoRaWAN 1.0.3 Class A
37 +* NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
38 38  * Ultra-low power consumption
39 -* External 3 meters SHT31 probe (For S31-LB)
40 -* Measure range -55°C ~~ 125°C
39 +* External 3 meters SHT31 probe (For S31-NB)
40 +* Measure range -40°C ~~ 85°C
41 41  * Temperature & Humidity alarm
42 -* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
43 -* Support Bluetooth v5.1 and LoRaWAN remote configure
44 -* Support wireless OTA update firmware
42 +* Multiply Sampling and one uplink
43 +* Support Bluetooth v5.1 remote configure and update firmware
45 45  * Uplink on periodically
46 46  * Downlink to change configure
47 47  * 8500mAh Battery for long term use
47 +* Nano SIM card slot for NB-IoT SIM
48 48  
49 49  
50 50  == 1.3 Specification ==
... ... @@ -52,7 +52,7 @@
52 52  
53 53  (% style="color:#037691" %)**Common DC Characteristics:**
54 54  
55 -* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
55 +* Supply Voltage: 2.1v ~~ 3.6v
56 56  * Operating Temperature: -40 ~~ 85°C
57 57  
58 58  (% style="color:#037691" %)**Temperature Sensor:**
... ... @@ -69,13 +69,30 @@
69 69  * Resolution: 0.01% RH
70 70  * Long Term Shift: <0.25 %RH/yr
71 71  
72 -(% style="color:#037691" %)**LoRa Spec:**
72 +(% style="color:#037691" %)**NB-IoT Spec:**
73 73  
74 -* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
75 -* Max +22 dBm constant RF output vs.
76 -* RX sensitivity: down to -139 dBm.
77 -* Excellent blocking immunity
74 +**NB-IoT Module: BC660K-GL**
78 78  
76 +Support Bands:
77 +
78 +* B1 @H-FDD: 2100MHz
79 +* B2 @H-FDD: 1900MHz
80 +* B3 @H-FDD: 1800MHz
81 +* B4 @H-FDD: 2100MHz
82 +* B5 @H-FDD: 860MHz
83 +* B8 @H-FDD: 900MHz
84 +* B12 @H-FDD: 720MHz
85 +* B13 @H-FDD: 740MHz
86 +* B17 @H-FDD: 730MHz
87 +* B18 @H-FDD: 870MHz
88 +* B19 @H-FDD: 870MHz
89 +* B20 @H-FDD: 790MHz
90 +* B25 @H-FDD: 1900MHz
91 +* B28 @H-FDD: 750MHz
92 +* B66 @H-FDD: 2000MHz
93 +* B70 @H-FDD: 2000MHz
94 +* B85 @H-FDD: 700MHz
95 +
79 79  (% style="color:#037691" %)**Battery:**
80 80  
81 81  * Li/SOCI2 un-chargeable battery
... ... @@ -86,8 +86,8 @@
86 86  
87 87  (% style="color:#037691" %)**Power Consumption**
88 88  
89 -* Sleep Mode: 5uA @ 3.3v
90 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
106 +* STOP Mode: 10uA @ 3.3v
107 +* Max transmit power: 350mA@3.3v
91 91  
92 92  
93 93  == 1.4 Sleep mode and working mode ==