LED lamps: Li-fi network is coming

Radio spectrum, the backbone of 3G, 4G, 5G, Wi-fi, bluetooth, radio and television networks and broadcasting, is getting crowded, especially in densely-populated cities like Hong Kong and Singapore. Now the solution to the emerging bandwidth crunch may be the ubiquitous light-emitting diode bulb. Because light is the future of wireless communications. Known as light fidelity, or […]