-
1g
speed - 2.4 kbps
country - japan
company - toyota motor corporation -
2g
speed - 40 kbit/s.
country - finland
company - radiolinja -
3g
speed - 3 mbps
country - japan
company - ntt docomo -
4g
speed - around 14 mbps
country - norway
company - samsung -
5g
speed - 20 gibabits - per - second
country - south korea
company - qualcomm