<P> In 1965 , Bulgarian company `` Radioelektronika '' presented on the Inforga - 65 international exhibition in Moscow the mobile automatic phone combined with a base station . Solutions of this phone were based on a system developed by Leonid Kupriyanovich . One base station , connected to one telephone wire line , could serve up to 15 customers . </P>
<P> In 1965 , Bulgarian company `` Radioelektronika '' presented on the Inforga - 65 international exhibition in Moscow the mobile automatic phone combined with a base station . Solutions of this phone were based on a system developed by Leonid Kupriyanovich . One base station , connected to one telephone wire line , could serve up to 15 customers . </P>
when was the first portable cell phone invented
when was the first portable cell phone invented
1965
1965