ⓘ Advanced Mobile Phone System inglizcha: Advanced Mobile Phone System 825 dan 890 MGts chastota oraligida analog mobil standarti. Rivojlangan mobil telefon xizma ..

                                     

ⓘ Advanced Mobile Phone System

Advanced Mobile Phone System inglizcha: Advanced Mobile Phone System 825 dan 890 MGts chastota oraligida analog mobil standarti. Rivojlangan mobil telefon xizmati Bell Labs tomonidan ishlab chiqilgan, bir yonalishli analog uyali mobil telefon tizimi standart bolib, rasman 1983-yil 13-oktabr Shimoliy Amerika da joriy qilingan. 1987-yildan esa boshqa mamlakatlarda ishga tushgan. NMT-450 tarmogiga nisbatan sigimi nisbatan yuqori. Shovqin darajasining pastligi sababli Shimoliy Amerikada ishlatilgan.