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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 70.4
edited by Xiaoling
on 2023/08/19 10:35
Change comment: There is no comment for this version
To version 69.2
edited by Xiaoling
on 2023/08/19 10:22
Change comment: There is no comment for this version

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14 14  
15 15  = 1. Introduction =
16 16  
17 -== 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
17 +== 1.1 What is S31x-LB LoRaWAN Temperature & Humidity Sensor ==
18 18  
19 19  
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*.
20 +The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
21 21  
22 -The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a **waterproof anti-condensation casing** for long term use.
22 +The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
23 23  
24 -S31-NB supports different uplink methods include **TCP, MQTT, UDP** for different application requirement. and Support Uplinks to various IoT Servers.
24 +The LoRa wireless technology used in S31x-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
25 25  
26 -S31-NB is powered by **8500mAh Li-SOCI2 battery**, It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
26 +S31x-LB supports (% style="color:blue" %)**Temperature & Humdity alarm feature**(%%), user can set temperature alarm for instant notice. S31x-LB supports Datalog feature, it can save the data when there is no LoRaWAN network and uplink when network recover.
27 27  
28 -*make sure you have NB-IoT coverage locally.
28 +S31x-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
29 29  
30 +S31x-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
30 30  
31 -[[image:1692411831805-116.png]]
32 +Each S31x-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
32 32  
33 33  
34 34  == 1.2 ​Features ==
35 35  
36 36  
37 -* NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
38 +* LoRaWAN 1.0.3 Class A
38 38  * Ultra-low power consumption
39 -* External 3 meters SHT31 probe (For S31-NB)
40 -* Measure range -40°C ~~ 85°C
40 +* External 3 meters SHT31 probe (For S31-LB)
41 +* Measure range -55°C ~~ 125°C
41 41  * Temperature & Humidity alarm
42 -* Multiply Sampling and one uplink
43 -* Support Bluetooth v5.1 remote configure and update firmware
43 +* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
44 +* Support Bluetooth v5.1 and LoRaWAN remote configure
45 +* Support wireless OTA update firmware
44 44  * Uplink on periodically
45 45  * Downlink to change configure
46 46  * 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: 2.1v ~~ 3.6v
56 +* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
56 56  * Operating Temperature: -40 ~~ 85°C
57 57  
58 58  (% style="color:#037691" %)**Temperature Sensor:**
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69 69  * Resolution: 0.01% RH
70 70  * Long Term Shift: <0.25 %RH/yr
71 71  
72 -(% style="color:#037691" %)**NB-IoT Spec:**
73 +(% style="color:#037691" %)**LoRa Spec:**
73 73  
74 -**NB-IoT Module: BC660K-GL**
75 +* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
76 +* Max +22 dBm constant RF output vs.
77 +* RX sensitivity: down to -139 dBm.
78 +* Excellent blocking immunity
75 75  
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 -
96 96  (% style="color:#037691" %)**Battery:**
97 97  
98 98  * Li/SOCI2 un-chargeable battery
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103 103  
104 104  (% style="color:#037691" %)**Power Consumption**
105 105  
106 -* STOP Mode: 10uA @ 3.3v
107 -* Max transmit power: 350mA@3.3v
90 +* Sleep Mode: 5uA @ 3.3v
91 +* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
108 108  
109 109  
110 110  == 1.4 Sleep mode and working mode ==
1692411831805-116.png
Author
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1 -XWiki.Xiaoling
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