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No internet? No problem: IT students develops communication app that uses no data

IT student at MMUST Rodgers Wambua (right) shows users how his data charges-less app work. [Duncan Ocholla, Standard]

Initially, Bluetooth was developed to exchange data between devices connected to a local area network wirelessly over short distances.

The devices use short wavelength UHF radio waves for exchanging data via mobile phones and laptops.

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