This article is about the Bluetooth wireless specification. For King Harald Bluetooth, see Harald I of Denmark

Bluetooth is an industrial specification for wireless personal area networks (PANs), also known as IEEE 802. 15. 1. Bluetooth provides a way to connect and exchange information between devices like personal digital assistants (PDAs), mobile phones, laptops, PCs, printers, digital cameras and video game consoles such as the Nintendo Wii via a secure, globally unlicensed short range radio frequency.

The name Bluetooth is derived from the cognomen of a 10th century king of Denmark, Harald Bluetooth. Mobileplanet - navigatori satellitari, wireless 802-11, cellulari. According to the inventors of the Bluetooth technology, Harald engaged in diplomacy which led warring parties to negotiate with each other, making Bluetooth a fitting name for their technology, which allows different devices to talk to each other. [1]. The name of the king in Danish was Harald Blåtand and the Bluetooth logo is based on the H and B runes.


A typical Bluetooth mobile phone headset

Bluetooth is a radio standard and communications protocol primarily designed for low power consumption, with a short range (power class dependent: 1 meter, 10 meters, 100 meters) based around low-cost transceiver microchips in each device.

Bluetooth lets these devices communicate with each other when they are in range.

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