ɐ nˈuː dʒˌɛnɚɹˈeɪʃən ʌv sˈɛljʊlɚ stˈændɚdz hɐz ɐpˈɪɹd ɐpɹˈɑːksɪmətli ˈɛvɹi tˈɛnθ jˈɪɹ sˈɪns wˈʌn dʒˈiː sˈɪstəmz wɜːɹ ˌɪntɹədˈuːst ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti nˈaɪn ænd ðɪ ˈɜːli tə mˈɪd nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi z.
A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.