Tech Explained: Bluetooth

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Most people use wireless communication every day – television, mobile telephones and WiFi all use radio waves to send information wirelessly. Bluetooth also uses radio waves, but in a different way from these other technologies. So how does Bluetooth work? Bluetooth was named after Harald Bluetooth, the King of Denmark in the late 900s. King Harald Bluetooth united Denmark and Norway into a single kingdom. Bluetooth technology today is used to unite separate devices. Whenever two devices need to talk to each other, they first have to agree on how they will speak to each other. To do this, they…

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