Traditional Culture Encyclopedia - Photography and portraiture - Were there cell phones during World War I?

Were there cell phones during World War I?

There were no mobile phones in World War I, when radio communication was just born for more than ten years.

1940, Bell Laboratories invented the world's first battlefield mobile phone.

1973, Motorola engineer martin parr invented the first commercial mobile phone. After the evolution of the times and the development of science and technology, it has developed into a variety of smart phones.