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What Is Bluetooth and Bluetooth device?

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What is Bluetooth? We use Bluetooth cell phones and Bluetooth car kits everyday, how much do we know about Bluetooth and Bluetooth technology? In layman's terms, Bluetooth is a technology that enables a device to communicate and share data with other Bluetooth capable devices - cell phones, headsets, PDAs, notebook computers, desktop PCs, computer peripherals, printers, cameras, and others - through radio wave transmission at a range of around 1, 10, or 100 meters, depending on the class of your Bluetooth device.

If a device has a Bluetooth chip, it can communicate with other devices that have a Bluetooth chip. Users can share pictures, movies, datasheets, documents, and all sorts of information among them as long as their devices are in range. For instance, a Bluetooth-capable digital camera can communicate with a Bluetooth-capable printer for direct printing. Likewise, a Bluetooth-capable cell phone can be connected to a Bluetooth-equipped headset so that a person can take and make hands-free telephone calls.

Bluetooth can be used for internet connectivity as long as a Bluetooth-enabled computer is in range of a Bluetooth modem. Bluetooth devices can also form a small wireless network of up to 8 devices. For security, devices can be paired and transmissions encrypted. So that it causes only minimal interference, Bluetooth periodically changes frequency channels. For example, Bluetooth adapters and Bluetooth headsets are all selling hot and have a great market.

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