Definition of 4G
: a wireless standard (as for mobile devices) that was designed to be capable of supporting data transfer for high-definition video streaming
If you haven't been keeping up with all the network developments, here's a quick primer: standard 4G can offer theoretical download speeds of up to 150 Mbps …— Nick Summers They [cellular carriers] simply make 5G-specific changes to the towers and can start serving 5G right alongside 4G throughout most of the country.— Andrew Martonik
— often used before another noun a 4G network
— compare 5G
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Merriam-Webster unabridged
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Time Traveler for 4G
The first known use of 4G was in 2000
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