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Bluetooth

Communications engineering. Named after King Harald Blaatand (Bluetooth) of Denmark, 940-981.
Bluetooth is a global standard for short-range radio transmission specification developed for wireless connecting of stationary computers, laptops, PDAs, cellular phones, and printers. Bluetooth technology is based on a low-cost, short-range radio link that operates in a globally available ISM band at 2.4 GHz.
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