What challenges did martin cooper faced?

Martin Cooper faced several challenges during the development of the first handheld mobile phone, including technological limitations of the era, such as the size and weight of components, and the need for a reliable battery. Additionally, he had to navigate skepticism from the telecommunications industry, which was initially resistant to the idea of personal mobile communication. Securing funding and support for his vision also posed significant hurdles, as many stakeholders were unsure about the commercial viability of mobile phones at the time.