# 1G - Analog cellular telephony 1G refers to analog cellular telephony standards that were introduced in the 80s as the first generation of cellular network technology. The audio transmissions of 1G were analog. 1G was superseded by [[2G - Digital cellular telephony|2G]]. ## Standards - [[NMT - Nordic Mobile Telephony]] - [[AMPS - Advanced Mobile Phone System]] - [[TACS - Total Access Communication System]] developed in the United Kingdom and also some other parts of the world - [[C-Netz - Radio Telephone Network C]] developed in West Germany and also adopted in Portugal and South Africa - [[Radiocom 2000]] in France ([[France Telecom]] only) - [[RTMI - Radio Telefono Mobile Integrato|RTMI]] in Italy - MCS-L1 and MCS-L2 (developed by [[NTT - Nippon Telegraph and Telephone Corporation|NTT]]) in Japan - [[JTACS - Japanese Total Access Communication|JTACS]] (a variant of TACS operated by [[DDI - Daini Denden Planning, Inc]] in Japan