Meaning of 5G in English:

5G

noun

mass noun
  • A mobile communications standard intended to replace 4G, allowing wireless internet access at a much higher speed.

    ‘If you want to know whether 5G is available in your area the operator has published a map on its website’
    • ‘all 5G phones include modems that also support 4G’

Origin

Early 21st century abbreviation of fifth generation.