When you meet someone for the first time, you shake hands—and via NFC, your ring and their ring generate a “shared secret” ...
4G is the fourth generation of mobile phone communications standards. It is a successor of the 3G and provides ultra-broadband internet access for mobile devices. The high data transfer rates make 4G ...
Channel Sounding, for example, lets Bluetooth devices like trackers and smart locks find each other more easily and accurately. But you'd be forgiven for not knowing anything about it.
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