User:JosebaAbaitua/sandbox/References/DHum2021/MACHAIN RUIZ DE AZUA, Irantzu

Examples

 * In 1979, Nippon Telegraph and Telephone (NTT) launched the world's first cellular network in Japan.


 * The first SIM card was made in 1991 by Munich smart card maker Giesecke & Devrient for the Finnish wireless network operator Radiolinja.