2G, 3G, 4G and 5G in mobile phones
Do you know what 2G, 3G, 4G and 5G stand for in mobile phones?
Do you know what the differences are?
Go to the following website and read the information on 2G and 3G.
news.bbc.co.uk
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Write a piece of text on the differences between 2G, 3G and 4G phones.
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