Mobile radio telephone

0Gmanual mobile telephone systemmobile radio telephony
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.wikipedia
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Mobile phone

cell phonemobilemobile phones
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.
The advances in mobile telephony have been traced in successive "generations", starting with the early zeroth-generation (0G) services, such as Bell System's Mobile Telephone Service and its successor, the Improved Mobile Telephone Service.

Car phone

phone-equipped vehicle
These mobile telephones were usually mounted in cars or trucks (thus called car phones), although briefcase models were also made.
A car phone is a mobile radio telephone specifically designed for and fitted into an automobile.

Altai (mobile telephone system)

AltaiAltay
"Altai" mobile telephone system was launched into the experimental service in 1963 in the Soviet Union, becoming fully operational in 1965, a first automatic mobile phone system in Europe.
The Altai mobile telephone system is the pre-cellular 0G radiotelephone service that was first introduced in the Soviet Union in 1963, and became available in the most large cities by 1965.

AMR radiotelephone network (Czechoslovakia)

Automatizovaný městský radiotelefon
The Automatizovaný městský radiotelefon (AMR) launched in 1978, fully operational in 1983, in Czechoslovakia as the first analog mobile radio telephone in the whole Eastern Bloc
The very first analog mobile radio telephone in Czechoslovakia (and in the whole Eastern Bloc) was AMR (sometimes AMRAD), in Czech language Automatizovaný městský radiotelefon (Automated Municipal Radiotelephone).

B-Netz

The B-Netz launched 1972 in West Germany as the country's second public commercial mobile phone network (but the first one that did not require human operators to connect calls)
B-Netz was an analog, commercial mobile radio telephone network that was operated by the Deutsche Bundespost in Germany (at first only West Germany) from 1972 until 1994.

Autoradiopuhelin

ARP
The Autoradiopuhelin (ARP) launched in 1971 in Finland as the country's first public commercial mobile phone network
The technology is zero-generation (0G), since although it had cells, moving between them was not seamless.

Wireless

wireless communicationwireless communicationswireless internet
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.
Cellular networks: 0G, 1G, 2G, 3G, Beyond 3G (4G), Future wireless

Advanced Mobile Telephone System

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.
The Advanced Mobile Telephone System (not to be confused with Advanced Mobile Phone System) was a 0G method of radio communication, mainly used in Japanese portable radio systems.

Radiotelephone

radio telephoneradiotelephonyradiophone
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, rather than part of a closed network such as a police radio or taxi dispatch system.
Mobile radio telephone systems such as Mobile Telephone Service and Improved Mobile Telephone Service allowed a mobile unit to have a telephone number allowing access from the general telephone network, although some systems required mobile operators to set up calls to mobile stations.

Mobile Telephone Service

MTSLimited capacity Mobile Telephone Service for automobilesMobile Service
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.
Mobile radio telephone

Improved Mobile Telephone Service

IMTSQJ
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.
Mobile radio telephone

1G

first generationfirst-generationAnalog Networks
1G
The antecedent to 1G technology is the mobile radio telephone.

2G

2.5G2.75G2.5
2G
Mobile radio telephone, also known as 0G

3G

3G networkIMTthird generation
3G
Mobile radio telephone (also known as "0G")

0G

0G (disambiguation)
0G, or Zero Generation is the mobile telephony for Mobile radio telephone

History of Nokia

Prior to cellular mobile telephony, there was mobile radio telephony.

Telenor

TeleverketTelenor GroupTelegrafverket
Televerket opened its first manual mobile telephone system in 1966, being replaced with the automatic NMT system in 1981 and the enhanced NMT-900 in 1986.

Banacek

Manacek
He had a mobile radio telephone in each of his cars at a time when these devices were uncommon and expensive.

History of mobile phones

1980s mobile phone handsetsanalog mobile phoneearly days of mobile telephony
Posthumously, ARP is sometimes viewed as a zero generation (0G) cellular network, being slightly above previous proprietary and limited coverage networks.

MIMO

multiple-input multiple-outputmultiple-input and multiple-outputmultiple-input multiple-output communications
MIMO is also planned to be used in Mobile radio telephone standards such as recent 3GPP and 3GPP2.

Central Locator System

Individuals tracked by the system were required to provide multiple means of contact – including physical addresses, and home, office and mobile radio telephone numbers – and to notify the Central Locator any time they left the city of Washington, D.C., providing their itinerary and places of residence while traveling.

Telephone

phonetelephonesLocal Telephone Service
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.

Telephony

digital telephonytelephonedigital
Mobile radio telephone systems were telephone systems of wireless type that preceded the modern cellular mobile form of telephony technology.

Push-to-talk

push to talkPTTPoC
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.

Public switched telephone network

PSTNtelephone networkpublic telephone network
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, rather than part of a closed network such as a police radio or taxi dispatch system.