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  2. Mobile radio telephone - Wikipedia

    en.wikipedia.org/wiki/Mobile_radio_telephone

    Mobile radio telephone systems were mobile telephony systems that preceded modern cellular network 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.

  3. Lafayette Radio Electronics - Wikipedia

    en.wikipedia.org/wiki/Lafayette_Radio_Electronics

    Many were dedicated types with special functions, such as VHF receivers for police and fire channels built into a CB radio. The company's best selling products were often shortwave receivers, parts, and portable radios. In the 1960s, many Lafayette brand radios were rebranded Trio-Kenwood sets. A significant share of 1960s and 1970s vintage ...

  4. Radio receiver - Wikipedia

    en.wikipedia.org/wiki/Radio_receiver

    Transistor radio - an older term for a portable pocket-sized broadcast radio receiver. Made possible by the invention of the transistor and developed in the 1950s, transistor radios were hugely popular during the 1960s and early 1970s, and changed the public's listening habits.

  5. Armstrong Audio - Wikipedia

    en.wikipedia.org/wiki/Armstrong_Audio

    Armstrong 426 combined amplifier and tuner from the mid-1960s. Initially created to manufacture portable radios, during World War II their factory was used to manufacture radios, public address systems, and various electronic parts. After the war, they began to produce television sets, as well as long range radios for ships, but eventually ...

  6. Transistor radio - Wikipedia

    en.wikipedia.org/wiki/Transistor_radio

    A classic Emerson transistor radio, circa 1958. A transistor radio is a small portable radio receiver that uses transistor-based circuitry.Previous portable radios used vacuum tubes, which were bulky, fragile, had a limited lifetime, consumed excessive power and required large heavy batteries.

  7. Mobile radio - Wikipedia

    en.wikipedia.org/wiki/Mobile_radio

    Many radios are equipped with transmitter time-out timers which limit the length of a transmission. A bane of push-to-talk systems is the stuck microphone: A radio locked on transmit, which disrupts communications on a two-way radio system. One example of this problem occurred in a car with a concealed two-way radio installation where the ...

  8. List of radios - Wikipedia

    en.wikipedia.org/wiki/List_of_radios

    The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.

  9. EKCO - Wikipedia

    en.wikipedia.org/wiki/EKCO

    In 1961, Ekco formed two companies, Ekco TV and Radio and Ekco Heating and Electrical to market their products. [ 60 ] British Electronic Industries became Pye of Cambridge in 1963, [ 61 ] was put up for sale in 1966, and in the same year Pye closed the Southend-on-Sea factory (but maintained its car radio repair workshop until 1977) [ 26 ] as ...

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