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What? Bluetooth is a wireless technology standard for exchanging data over short distances(using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz from fixed and mobile devices and building personal area networks(PANs Invented by telecom vendor Ericsson in 1994[5 it was originally conceived as a wireless alternative to  RS-232 data cables It can connect up to seven devices overcoming problems that older technologies had when attempting to connect to each other   H ...

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