Mobile radio telephone
Mobile radio telephone systems were telephone systems of a wireless type that preceded the modern cellular mobile form of telephony technology. Since they were the predecessors of the first generation of cellular telephones, these systems are sometimes retroactively referred to as pre-cellular (or sometimes zero generation, that is, 0G) systems. Technologies used in pre-cellular systems included the Push to Talk (PTT or manual), Mobile Telephone Service (MTS), Improved Mobile Telephone Service (IMTS), and Advanced Mobile Telephone System (AMTS) systems.These early mobile telephone systems can be distinguished from earlier closed radiotelephone systems in that they were available as a commercial service that was part of the public switched telephone network, with their own telephone numbers
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Mobile radio telephone
Mobile radio telephone systems were telephone systems of a wireless type that preceded the modern cellular mobile form of telephony technology. Since they were the predecessors of the first generation of cellular telephones, these systems are sometimes retroactively referred to as pre-cellular (or sometimes zero generation, that is, 0G) systems. Technologies used in pre-cellular systems included the Push to Talk (PTT or manual), Mobile Telephone Service (MTS), Improved Mobile Telephone Service (IMTS), and Advanced Mobile Telephone System (AMTS) systems.These early mobile telephone systems can be distinguished from earlier closed radiotelephone systems in that they were available as a commercial service that was part of the public switched telephone network, with their own telephone numbers
has abstract
0G (nebo 0-G) je zkratka pro v ...... ký městský radiotelefon TESLA.
@cs
0G，是指無線技術最早的拓荒時代，即是前蜂巢式技術（Pre- ...... 國家。1972年，西德成為第二次公開商用移動電話網絡的國家。
@zh
0세대 이동 통신(0世代 移動通信)은 음성통화만 가능한 ...... . 1세대 이동 통신보다는 급이 낮은 초창기 기술이다.
@ko
Els sistemes de radiotelèfon m ...... automàtic de telefonia mòbil.
@ca
Mobile radio telephone systems ...... s), and two-way radio dealers.
@en
Un radioteléfono móvil es un s ...... buidores de radio de dos vías.
@es
كانت أنظمة الاتصالات الراديوية ...... ة أو نظام إرسال سيارات الأجرة.
@ar
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comment
0G (nebo 0-G) je zkratka pro v ...... ký městský radiotelefon TESLA.
@cs
0G，是指無線技術最早的拓荒時代，即是前蜂巢式技術（Pre- ...... 國家。1972年，西德成為第二次公開商用移動電話網絡的國家。
@zh
0세대 이동 통신(0世代 移動通信)은 음성통화만 가능한 ...... . 1세대 이동 통신보다는 급이 낮은 초창기 기술이다.
@ko
Els sistemes de radiotelèfon m ...... d'aquesta tecnologia van ser:
@ca
Mobile radio telephone systems ...... th their own telephone numbers
@en
Un radioteléfono móvil es un s ...... parte de una red cerrada, com
@es
كانت أنظمة الاتصالات الراديوية ...... ة أو نظام إرسال سيارات الأجرة.
@ar
label
0G
@cs
0G
@zh
0세대 이동 통신
@ko
Mobile radio telephone
@en
Radiotelèfon mòbil
@ca
Radioteléfono móvil
@es
هاتف الراديو المحمول
@ar