0G

Mobile phone standards

0G: ARP

1G NMT AMPS

2G GSM iDEN D-AMPS cdmaOne PDC

2.5G GPRS CDMA2000 1xRTT

2.75G: EDGE

3G W-CDMA UMTS FOMA CDMA2000 1xEV TD-SCDMA

3.5G

4G

0G refers to pre-cellphone mobile telephony technology, such as radio telephones that some had in cars before the advent of cellphones.

One such technology is the Autoradiopuhelin (ARP) launched in 1971 in Finland as the country's first public commercial mobile phone network.

See also: 0G, 1G, 2.5G, 2.75G, 2G, 3G, 4G, Advanced Mobile Phone System