Bluetooth Alternative Uses Your Body's Magnetic Field To Transmit Signals, University of California, San Diego (UCSD) Study

Look at your wrist. If you’re like one of the millions of Americans with wearable technology attached to it — maybe a watch or a fitness tracker — then you’re well aware that it connects to your phone via Bluetooth. It’s the king of short-range wireless communication, but it has some drawbacks too. It works well when there’s a clear path from object to object, but it needs a significant power boost to push the signal through objects — this is known as "path loss." So how do we rid ourselves of path loss, all the while creating a more efficient and secure alternative to Bluetooth? A proof of concept from a team of researchers at the University of California, San Diego may be the answer.

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