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  2. Top management at Motorola supported Cooper's mobile phone concept, investing $100 million between 1973 and 1993 before any revenues were realized. Cooper assembled a team that designed and assembled a product in less than 90 days.

  3. Martin Cooper, American engineer who led the team that in 1972–73 built the first mobile cell phone, the DynaTAC (Dynamic Adaptive Total Area Coverage), and made the first cell phone call, on April 3, 1973. He is widely regarded as the father of the cellular phone.

  4. Apr 3, 2013 · On April 3, 1973 -- 40 years ago today -- Cooper took an early model of Motorola's DynaTAC phone (a brick phone weighing 2.5 pounds, measuring 9 inches long and 5 inches deep, and...

    • 1973 – The Very First Cell Phone. Motorola developed the first portable cell phone in 1973. The hand-held device was shaped like a brick and weighed around 2.4 pounds.
    • 1983 – Motorola DynaTAC. It took Motorola another 10 years before they brought out the commercially available DynaTAC 8000X. The DynaTAC was the first cell phone made for consumers and the first of many early mobile phones to come out in the 80s.
    • 1985 – Siemens Mobiltelefon C1. The Siemens Mobiltelefon C1, which resembled a briefcase, was the company’s first mobile phone. You will probably think this is strange, but people used cell phones that looked like briefcases, as it was the only way to have enough charge when you were out and about town.
    • 1987 – Mobira Cityman 900 – The Very First Nokia. The Mobira Cityman 900, Nokia’s first mobile phone, was introduced in 1987. The phone was seen as pricey and only available to those of a higher status and weighed just 800g (28 oz) when the battery was included.
  5. Apr 3, 2023 · On 3 April 1973, Marty Cooper stood on a corner of Sixth Avenue in New York and took a phone book from his pocket. He then punched a number into a large, cream-coloured device and put it to...

  6. Apr 4, 2023 · On April 3, 1973, Martin Cooper stood on a sidewalk on Sixth Avenue in Manhattan with a device the size of a brick and made the first public call from a cell phone to one of the men he’d been...

  7. Jul 9, 2010 · Motorola spent three months building a prototype for a portable, mobile handset that Cooper publicly demonstrated in April of 1973. The company's first commercial cellular phone, the "DynaTAC,"...