How does the 4G system work?

Conclusion. The big difference between WiFi tablets and 4G tablets, is 4G tablets also connect to the Internet without WiFi . On top of that, you can use those tablets to make calls. You’ll need a separate SIM card in order to do so, since it’s not included in the tablet.

4G does not use more data than 3G , but chances are that because of its speed you will want to use data more and consequently will hit your allowance faster. You need a 4G ready phone to connect to the 4G data network.

How does 4G work? 4G works much in the same way as 3G, simply faster. Using high-speed download and upload packets, 4G allows you to access broadband style speeds whilst away from your Wi-Fi . Users can often access speeds of up to 21Mb on the go, but this is, however, affected by location.

If there is no available WiFi network, a smartphone or tablet can still access the internet through a different system called 3G or (the newer version) 4G , which is part of the mobile phone network (you generally pay for this through a monthly contract).