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Wi-Fi and mobile Internet (5G, 4G or 3G)

What is the difference between Wi-Fi and mobile Internet (2G, 3G, 3G+, 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.

3G4G5G logo

With your SIM card, you can use the following networks: 2G (GPRS or EDGE), 3G (UMTS), 3G+ (HSDPA or HSPA+) and 4G (LTE). You may be switched from one network to another (e.g. from 3G to 4G) because your device always chooses the best available network.

For 5G, you will need:

Do you have another question about 5G? Check our frequently asked questions about 5G.

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