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Learn what the definition Li-Fi is and how Li-Fi works. Li-Fi (Light Fidelity) is a wireless networking technology that uses light waves LEDs (Light Emitting Diodes) for data transmission instead of radio waves. Li-Fi is a subset of Optical Wireless Communication (OWC) that can replace or be the complement to RF Communication, in terms of data transmission technology. Li-Fi is a wireless and Visible Light Communication (VLC) technology which delivers the high-speed and bidirectional, networked mobile communications, which seems similar to Wi-Fi (uses Radio Waves) . Li-Fi promises 100 times faster data transmission rate as compared to Wi-Fi and theoretically it can be reached the speed of up to 224 Gigabits (Gbps) per second, said the researchers of the technology. Li-Fi is designed to use LED light bulbs to transmit data and Li-Fi bulbs are equipped with a chip that modulates the light imperceptibly for optical data transmission and these data is transmitted by a bul