Engel and his team were Cooper’s chief rival and had also been attempting to make the world’s first handheld mobile phone. 5) The Fear: The fear of having no cell phone signal or otherwise being unable to make or receive cell phone calls is called Nomophobia. For cell phones, the FCC requires very strict location parameters either via GPS tracking of the cell phone or by cell network location. 13) The Gap: It was a full 10 years after public demonstration of the first handheld cell phone in 1973 before the first commercial handheld cell phone, the DynaTAC 8000x (“Dynamic Adaptive Total Area Coverage”), hit the market on March 6, 1983. It took another seven years to reach one million cell phone subscribers, hitting that figure in 1990.