1Gわんじーじ字FuriganaMeanings1noun1G; first generation (wireless cellular technology)telecommunications›Technical term in telecommunications; refers to the earliest analog mobile phone systems.1Gはアナログ方ほう式しきの携けい帯たい電でん話わ技ぎ術じゅつです。1G is an analog mobile phone technology.日本にほんでは1980年ねん代だいに1Gサービスが始はじまりました。In Japan, 1G service started in the 1980s.