-
Nippon Telegraph and Telephone introduced 1G in Tokyo Japan with a speed of 2.4 Kbps
-
Radiolinja introduced 2G in Finland with a speed of 64 Kbps
-
Hutchison Telecommunications introduced 3G in Japan with a speed of 2 Mbps
-
TeliaSonera introduced us to 4G in Stockholm with a speed of 2000 Mbps to 1Gbps
-
Qualcomm introduced 5G by South Korea with a speed of 1Gbps and higher