本帖最后由 Edwen 于 17-9-2018 11:14 PM 编辑
楼主,看看这个
Motorola DynaTAC
DynaTAC is a series of cellular telephones manufactured by Motorola, Inc. from 1983 to 1994.
觉得郭老在车可能是这个
The History of Car Phones
The car phone service became popular and mainstream in the 1970s with the advent of the Autoradiopuhelin, or Car Radiophone service network. This technology connected with the car's battery and used signals that were attached to telephone networks. This would later be known as the Zero G network of mobile ones (the 1G network was the first truly portable mobile phone) also; the first car phone service used high-power transmitter and external antennas to get their signals across. 1980s and 1990sThe first 1G systems were created in 1982 by Nordic Mobile Telephone, and were used across Scandinavia and in other often-remote areas. In the United States, car phones used the Mobile Telephone Service, which was first created in St. Louis, or Improved Mobile Telephone Service. In 1984, analog cellular service began to spring up all over the country, which began the boom for people to get personal cell phones. Once digital service sprang up in the 1990s and personal cell phones became more affordable, car phones were no longer popular sellers.
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