Wi-Fi: the practical guide
What is Wi-Fi?
The practical solution at home. No more cables! Not only can you connect your computers, tablets and mobile phones wirelessly to your modem, but also an increasing number of other devices such as your TV decoder (via a Wi-Fi Booster or Wi-Fi Bridge), printer, thermostat, radio, etc.
Wi-Fi and mobile Internet. Don't confuse Wi-Fi, Public Wi-Fi and mobile Internet. What is the difference between Wi-Fi and 5G, 4G or 3G?