We all know that Alexander Graham Bell invented the telephone in 1876.
However, it was in 1900, that an inventor named Reginald Fessenden accomplished a remarkable feat. He made the first wireless telephone call. This achievement laid the foundation for cell phones and cellular networks.
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In 1947, William Rae Young proposed that radio towers arranged in a hexagonal pattern, called a cell, could support a telephone network.
By the 1960s, Richard H. Frenkiel and Joel S. Engel developed the technology that could support Young’s design. But it was Martin Cooper who led a team that designed the first practical cell phone. It was 25 centimetres long and weighed 1.1 kilogrammes.