While much of the attention was focused on 5G at this year's Mobile World Congress in Barcelona, products based on Li-Fi were lurking in the shadows.
According to Electronic Design, PureLiFi, one of the earliest companies to develop Li-Fi products, presented a new dongle for computers and laptops, and French startup Oledomm demonstrated its Internet lighting system for offices and hospitals.
Li-Fi generally is seen as more of a supplement to Wi-Fi rather than a replacement, and it largely has been confined to research labs, but these latest developments show how it's emerging into real products. Article