The "signal sniffer" being used in the Nancy Guthrie investigation was mounted on a helicopter on Monday.

Yet, despite its convenience, Bluetooth has a well‑known limitation: range. The connection between a device and its source—whether it's a phone streaming music or a sensor reporting data—can stretch ...

Your Bluetooth isn't broken.

The first iteration of Bluetooth, version 1.0, was released with basic wireless connection capabilities but suffered from significant limitations in connectivity and interference handling. Bluetooth 1 ...