pocket mobile automatic telephone RAT-0,5 combined with a base station RATZ-10 (RATC-10) on Interorgtechnika-66 international exhibition. One base station, connected to one telephone wire line, could serve up to six customers.

One of the first successful public commercial mobile phone networks was the ARP network in Finland, launched in 1971.

On April 3, 1973, Martin Cooper,

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