Bluetooth Low Energy sensors

Bluetooth Low Energy sensors measure and send the measurement values over Bluetooth Low Energy to smartphones or to Bluetooth Low Energy gateways. Sensors are optimised to be energy efficient to ensure up to 5 years of battery life and maintenance free operations. Sensors send the data to Efento Cloud or any other IoT platform. Devices work out of the box with free mobile applications and can be integrated to any software platform (mobile or cloud) with Efento’s SDK and API.

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Newsletter December 2025

Alerts just got smarter
Discover the latest Efento Cloud update with advanced alert logic that delivers more control, fewer false alarms, and faster response to what truly matters.
New Resources Portal
Explore Efento’s brand-new Resources Portal at docs.efento.io, featuring completely rewritten and expanded documentation, improved navigation, and a built-in chatbot to help you find answers faster than ever.
Groundwater level monitoring in Iceland
See how Efento sensors are used to reliably monitor groundwater levels in remote areas of Iceland, providing accurate data even in harsh environmental conditions.
“Connected hospital” at the University Medical Center Schleswig-Holstein
Learn how Efento BLE sensors and cloud integration are powering continuous temperature and humidity monitoring across the “Connected Hospital”, improving workflow efficiency and patient safety.
New NB-IoT water level logger
Introducing Efento’s new NB-IoT wireless water level data logger - a long-lasting solution built for precise, remote water level monitoring in the most demanding environments.

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