<P> Prior to 1973 , mobile telephony was limited to phones installed in cars and other vehicles . Motorola was the first company to produce a handheld mobile phone . On April 3 , 1973 , Martin Cooper , a Motorola researcher and executive , made the first mobile telephone call from handheld subscriber equipment , placing a call to Dr. Joel S. Engel of Bell Labs , his rival . The prototype handheld phone used by Dr. Cooper weighed 1.1 kilograms ( 2.4 lb ) and measured 23 by 13 by 4.5 centimetres ( 9.1 by 5.1 by 1.8 in ) . The prototype offered a talk time of just 30 minutes and took 10 hours to re-charge . </P>
<P> Prior to 1973 , mobile telephony was limited to phones installed in cars and other vehicles . Motorola was the first company to produce a handheld mobile phone . On April 3 , 1973 , Martin Cooper , a Motorola researcher and executive , made the first mobile telephone call from handheld subscriber equipment , placing a call to Dr. Joel S. Engel of Bell Labs , his rival . The prototype handheld phone used by Dr. Cooper weighed 1.1 kilograms ( 2.4 lb ) and measured 23 by 13 by 4.5 centimetres ( 9.1 by 5.1 by 1.8 in ) . The prototype offered a talk time of just 30 minutes and took 10 hours to re-charge . </P>
who was the first cell phone call made to
who was the first cell phone call made to
Dr. Joel S. Engel of Bell Labs
Dr. Joel S. Engel of Bell Labs