Wi-Fi and mobile Internet (5G or 4G)

What is the difference between Wi-Fi and mobile Internet (2G, 4G or 5G)? Surfing via Wi-Fi is cheaper than surfing via mobile Internet, but the Wi-Fi signal is limited to a small area, such as a cafe, airport, etc. You can check the network coverage map to see where mobile Internet is available.

Wi-Fi uses a local wireless network

Wi-Fi uses a local wireless network to transport data. You can surf the net if you are close to a modem or hotspot.

Wi-Fi at homeWi-Fi on the go with Fon

Mobile Internet uses a mobile telephone network

Mobile Internet uses a mobile telephone network (and therefore your SIM card) to transport data. You can surf wherever you can call with your mobile phone.

4G5G logo

With your SIM card, you can use the following networks: 2G (GPRS or EDGE) and 4G (LTE). Your device will always choose the best available network.

For 5G, you will need:

Do you have another question about 5G? Check our frequently asked questions about 5GOpens a new window .