Freevolt generates power from thin air

Is this device really harvesting RF or is it just prooving yet again that the Aether is real? The writer makes no references to aether force and its properties.
 
''What you see above may look like an unremarkable slice of electronics, but it can theoretically power a low-energy device forever, and for free. If that sounds like a big deal, well... that's because it is. Drayson Technologies today announced Freevolt, a system that harvests energy from radio frequency (RF) signals bouncing around in the ether and turns it into usable, "perpetual power." Drayson isn't exactly a household name, but the research and development company has a particular interest in energy, especially where all-electric racing is concerned. And now it's developed the first commercial technology that literally creates electricity out of thin air.

We're constantly surrounded by an ever-denser cloud of RF signals. They're the reason your smartphone gets 2G, 3G and 4G coverage, your laptop gets WiFi, and your TV receives digital broadcasts. Capturing energy from this background noise is nothing new, but most proof-of-concept scenarios have employed dedicated transmitters that power devices at short ranges. Furthermore, research into the field has never really left the lab, though a company called Nikola Labs is hoping to release an iPhone case that's said to extend battery life using RF energy harvesting''.

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Freevolt generates power from thin air