What Is Bluetooth And Why They Called So?
It is a telecommunication industry specification that describes how mobiles phones, computers. Personal digital assistants(PDAs) can be easily interconnected using a short-range wireless connection.
Using this technology, users of cellular phones, personal digital assistants can buys a three-in-one phone that can double as a portable phone at home. Get quickly synchronized with information in a desktop or notebook computer, initiate the sending or receiving of a fax. In general, have all mobile and fixed computer devices be totally coordinated.
Bluetooth requires that a low-cost transceiver chip be included in each device. The transceiver transmits and receivers in a previously unused frequency band of 2.45GHz that is available globally. In addition to data, up to three voice channels are available.
Why They Called Bluetooth?
Bluetooth was borrowed from the 10th-century, second king of Denmark, King Harald Bluetooth. who was famous for uniting Scandinavia just as we intended to unite the PC and cellular industries with a short-range wireless link.
Each device has a unique 48-bit address from the IEEE 802 standard. Connections can be point-to-point or multipoint. The maximum range is 10 meters. Data can be exchanged at a rate of 1 megabit per second(up to 2Mbps in the second generation of the technology).
A frequency hop scheme allows devices to communicate even in areas with a great deal of electromagnetic interference. Built-in encryption and verification is provided.
The technology got its another name in honor of Harald Bluetooth, king of Denmark in mid-tenth century.
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