Bluetooth is a wireless protocol using utilizing short-range communications technology facilitating data transmissions over short distances from fixed and/or mobile devices, creating wireless personal area networks (PANs). The intent behind the development of Bluetooth was the creation of a single digital wireless protocol, capable of connecting multiple devices and overcoming issues arising from synchronization of these devices. Bluetooth provides a way to connect and exchange information between devices such as mobile phones, telephones, laptops, personal computers, printers, GPS receivers, digital cameras, and video game consoles over a secure, globally unlicensed Industrial, Scientific, and Medical (ISM) 2.4 GHz short-range radio frequency bandwidth. The Bluetooth specifications are developed and licensed by the Bluetooth Special Interest Group (SIG). The Bluetooth SIG consists of companies in the areas of telecommunication, computing, networking, and consumer electronics.
Bluetooth is a specification for the use of low power radio communications to wireless phones,computers, and other network wireless devices over short distances. The name Bluetooth is actually borrowed from Harald Bluetooth, a Denmark king more
than 1,000 years ago.
Many people don't like cables. When people want to copy information from their old mobile phone to their new mobile phone many makes and models including Nokia, LG and Samsung allow the user to "blue tooth accross" their text messages, phone
book enteries and sometimes phone settings.
Bluetooth is a standard and communications protocol primarily designed for low power consumption, with a short range (power-class-dependent: 1 meter, 10 meters, 100 meters) based on low-cost transceiver microchips in each device.
Bluetooth enables these devices to communicate with each other when they are in
range.
The devices use a radio communications system, so
they do not have to be in line of sight of each other, and can even be in other rooms, as long as the received transmission is powerful enough.
Bluetooth device class indicates the type of device and the supported services of which the information is transmitted during the
discovery process.
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