１Ｇ

noun

1G; first generation (wireless cellular technology)

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.