What is Bluetooth? Unpacking the protocol | Electronic Specifier

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This article explains how Bluetooth evolved from a short-range consumer connectivity standard into a protocol used across wearables, industrial IoT, automotive, retail, healthcare, and logistics. It highlights Bluetooth 6.0 features such as ultra-low latency, Channel Sounding, and stronger security. It also outlines practical engineering tradeoffs between Bluetooth, BLE, and dual-mode designs, including module versus SoC selection and RF design concerns. The piece frames Bluetooth as an enabling technology for location-aware and low-power connected devices.

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