In 1880, Alexander Graham Bell provided the first proof of concept for free-space optics. Using his invention, dubbed the ‘photophone’, he proved that beams of light could carry voice conversation through free space, aka, the air. In 2019, Eindhoven start-up, Aircision, is ready to add their modifications to bring this technology into the future, specifically for the upcoming roll-out of 5G.

 

 
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