Electronic devices like smartphones, laptops, and iPads emit radio waves, which enable you to stay connected to the world (far below you) via the Internet. So what about that famous “Airplane Mode”? The answer is still no, according to the aviation regulations, which ...
Cell phones (also called mobile phones) are radio devices that use Radiofrequency (Rf) energy emit electromagnetic radiation. They operate at low power (less than 1 watt) by transmitting and receiving electromagnetic radiation in the radiofrequency (RF) end of the spectrum. Radiation which is cal...
engineering databases, the patent database post 1976, PubMed, and the Internet for available pertinent authentic sources. Results: Ultrasound and radio frequency voice transmission are described as methods to remotely isolate voice to individuals. Accounts of ultrasound and radio frequency energy forms ...