Bluetooth Low Energy (BLE)
Bluetooth Low Energy (BLE) is a wireless protocol designed for IoT sensors, enabling low-power data transmission with long battery life.
What is Bluetooth Low Energy (BLE)?
Bluetooth Low Energy (BLE), also known as Bluetooth 5.0 LE, is a wireless communication protocol designed for short-range data transmission with minimal power consumption. In IoT monitoring, BLE-enabled data loggers can communicate with smartphones, tablets, or BLE gateways to transfer sensor data.
BLE is particularly useful for configuration, local data readout, and proximity-based applications. Many IdeaBytes data loggers use BLE for initial device setup and local diagnostics alongside their primary 4G or WiFi cloud connectivity.
Why It Matters
BLE extends battery life significantly — some BLE-based sensors can run for years on a single battery. It also enables convenient local access: technicians can read current status and configure devices using a smartphone app without needing cloud access or network connectivity.
Frequently Asked Questions
What is the range of Bluetooth Low Energy?
BLE typically has a range of 10-100 metres depending on the environment. It is designed for short-range communication — for long-range cloud connectivity, data loggers use WiFi or 4G LTE.
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