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Improved Mobile Telephone Service

The Improved Mobile Telephone Service (IMTS) was a pre-cellular VHF/UHF radio system which linked to the public telephone network. IMTS was the radiotelephone equivalent of land dial phone service. Introduced in 1964, it replaced Mobile Telephone Service (MTS) and improved on most MTS systems by offering direct-dial rather than connections through a live…

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Technical information

Wireline incumbentPagersInterferenceNPARotary dial
7 related topics

Overview

CellularVHFUHFRadioPublic telephone network
11 related topics

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Technical information

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Map overview Semantic statistics

Improved Mobile Telephone Service

Nodes21
Edges20
Triples13
Avg. degree1.9
Density0.095238
Components1

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Improved Mobile Telephone Service

Top relations

related to Frequencies · 13
Improved Mobile Telephone Service → Canada, Canadian Mobile Telephone Service, FCC, JJ, JW, MHz, MTS, The, The VHF, UHF, United States, US, VHF

Important terminology Word statistics

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Important terminology

imts mobile telephone service channels would mts base station system phone systems cellular tone also bell channel number required time

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Improved Mobile Telephone Servicerelated to FrequenciesThe0.60section
Improved Mobile Telephone Servicerelated to FrequenciesMHz0.60section
Improved Mobile Telephone Servicerelated to FrequenciesUS0.60section
Improved Mobile Telephone Servicerelated to FrequenciesCanadian Mobile Telephone Service0.60section
Improved Mobile Telephone Servicerelated to FrequenciesMTS0.60section
Improved Mobile Telephone Servicerelated to FrequenciesFCC0.60section
Improved Mobile Telephone Servicerelated to FrequenciesThe VHF0.60section
Improved Mobile Telephone Servicerelated to FrequenciesUHF0.60section
Improved Mobile Telephone Servicerelated to FrequenciesVHF0.60section
Improved Mobile Telephone Servicerelated to FrequenciesJJ0.60section
Improved Mobile Telephone Servicerelated to FrequenciesJW0.60section
Improved Mobile Telephone Servicerelated to FrequenciesCanada0.60section

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