If you are talking in the field of telecommunications, then that would be a telephone by Alexander Graham Bell.
I think it would be a lot different if we did not have cell phones today
Pay Phones
No, computers were not invented before cell phones. The first cell phone was invented in the year of 1973 by a man named Martin Cooper in Manhattan. The first computer was invented in 1939 by German engineer Konrad Zuse.
Landlines
They wrote to each other by mail.
The cell phone was not discovered, it was invented. The man who invented the cell phone was Martin Cooper, who worked as an engineer at Motorola.
No. The patent for the telephone was first granted in 1876. The first prototype cell phones were not made until the 1970s.
No one discovered cell phones. Someone named Dr.Martin Cooper invented cell phones. No one discovered cell phones. Someone named Dr.Martin Cooper INVENTED cell phones.
hardwired phones, CB radio, letters, telegrams, visiting, etc.
Cell phones
Cell pphones have not been invented yet but cell phones have.
doctor martin cooper invented morden cell phones