Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field.[2][3]

Thnaks for good information 👌🏻
116 $DEGEN

It seems that his mobile phone is very heavy
114 $DEGEN
for dear milad

One of the best inventions and necessity of today's life
51 $DEGEN
for you

And nowadays I feel that we can't live without a phone

How can he move around the cellphone with him😂

How many kilos does this mobile phone weigh?😅