This is really just an exploration of the radio system inside these cordless phones. After taking a HackRF to a cordless phone, [Corrosive] found the phone technically didn’t operate in the 5.8 ...

Since this feature allows the phone to receive FM radio directly using a separate antenna, it does not use the cellular network, and therefore does not cost anything to use regardless of cellular ...

Instead, it pulls power from ambient light and radio waves. Follow Tech Insider: On Facebook More from Tech Researchers at the University of Washington have created a cell phone that uses so ...