
thumb|Electrical engineer Martin Cooper (inventor)|Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007.
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thumb|Electrical engineer Martin Cooper (inventor)|Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007.
The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994. Unveiled on March 6, 1983, the DynaTAC was the first commercially available handheld cellular phone. A full charge took roughly 10 hours, and it offered 30 minutes of talk time. It also offered a LED display for dialing or recall of one of 30 phone numbers. It was priced at US$3,995 in 1984, its commercial release year, equivalent to $ in .
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).