Temp & Humidity Sensor


The Efento NB-IoT temperature and humidity sensor enables you to remotely monitor conditions wherever you may be.

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The Efento NB-IoT temperature and humidity sensor enables you to remotely monitor conditions wherever you may be. Ideal for gathering data on atmospheric conditions, this sensor can be useful in:

  • Museum exhibits
  • Archives containing perishable artefacts
  • Office environments
  • Maintaining optimal conditions in food storage areas

Utilising cellular IoT SIM cards, the Efento NB-IoT temperature and humidity sensor transmits recorded data over a cellular network. Data measurements are transmitted without the need for any additional devices. Transmitted data can then be integrated with any third party cloud platform.

Equipped with a Bluetooth Low Energy interface Efento NB-IoT sensors can be quickly and easily configured by a smartphone or from the cloud.

With a temperature range of -35°C to 70°C and 0 to 100% relative humidity, the Efento temperature and humidity sensor can be configured to record measurements at your chosen intervals. Alarm thresholds are also configurable, helping you to ensure you receive alerts when you need them.


  • Provides up to 10 years battery life depending on device configuration
  • Monitors both temperature and humidity
  • Capacity to store up to 60,000 measurements in the device memory
  • Operates on NB-IoT band: 8 ,20
  • Built-in Bluetooth Low Energy (BLE)
  • Configurable alarm & data measurement thresholds

Measurement Parameters

Operating temperature -35°C to +70°C
Humidity Sensor Range 0 to 99% RH
Humidity Accuracy 4% in 0 to 80% RH, 7% in 81 to 99% RH
Temperature Accuracy Up to 0.25°C in the -20°C to 70°C range and 0.5°C in the -35°C to -20°C range
Environmental Protection IP30 Rated
Memory size 60,000 measurements
Measurement Interval 1 minute to 10 days (configurable by the user)

Key documents & information

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, currency conversions and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best NB-IoT temperature and humidity Sensors to suit specific project requirements. NB-IoT coverage can vary depending on location, contact us to find out if coverage is available in your deployment location.

For simple deployment and ongoing management of your NB-IoT solutions, check out our cellular IoT middleware platform, Symbius. Designed to enable you to make the most of your data, Symbius will take the headache out of decoding your data for you.


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Additional information

Weight 100 g
Dimensions 27 × 71 × 71 mm



4 x 2 V AA batteries

Wireless Technology

NB-IoT band: 8, 20


Environmental Protection


Measurements Taken




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