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The Dragino S31B-NS is a NB-IoT Temperature and Humidity Sensor for Internet of Things solution.
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You can return your purchase within 14 days if the product and packaging are in perfect condition.
The Dragino S31-NS is a 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.
The temperature & humidity sensor used in S31B-NS 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.
S31B-NS supports different uplink methods include TCP, MQTT, UDP for different application requirement, and support uplinks to various IoT Servers.
S31B-NS is powered by solar powered + li-on 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).
Features:
NB-IoT Bands:B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
Ultra Low Power Consumption
Monitor environment temperature
Monitor relative air humidity
Temperature & Humidity alarm
Multiply Sampling and one uplink
Solar panel + 3000mAh Li-on battery
Support BLE remote configure and update firmware
Uplink on periodically
IP66 Waterproof Enclosure
AT Commands to change parameters
Uplink via MQTT, MQTTs, TCP, or UDP
Specifications:
Common DC Characteristics :
Supply Voltage: 2.5v ~ 3.6v
Operating Temperature: -40 ~ 85°C
Temperature Sensor :
Range: -40 to + 80°C
Accurancy: ±0.2 @ 0-90 °C
Resolution: 0.01°C
Long Term Shift: <0.03 °C/yr
Humidity Sensor :
Range: 0 ~ 99.9% RH
Accurancy: ± 2%RH(0 ~ 100%RH)
Resolution: 0.01% RH
Long Term Shift: <0.25 %RH/yr
LoRa Spec :
NB-IoT Module: BC660K-GL
Support Bands:
B1 @H-FDD: 2100MHz
B2 @H-FDD: 1900MHz
B3 @H-FDD: 1800MHz
B4 @H-FDD: 2100MHz
B5 @H-FDD: 860MHz
B8 @H-FDD: 900MHz
B12 @H-FDD: 720MHz
B13 @H-FDD: 740MHz
B17 @H-FDD: 730MHz
B18 @H-FDD: 870MHz
B19 @H-FDD: 870MHz
B20 @H-FDD: 790MHz
B25 @H-FDD: 1900MHz
B28 @H-FDD: 750MHz
B66 @H-FDD: 2000MHz
B70 @H-FDD: 2000MHz
B85 @H-FDD: 700MHz
Battery :
3000mA Li-on Battery power
Built-in Solar Panel
Power Consumption:
STOP Mode: 10uA @ 3.3v
Max transmit power: 350mA@3.3v