1973 - Ο Dr. Martin Cooper της Motorola κάνει το πρώτο τηλεφώνημα στον ανταγωνιστή του Joel Engel(AT&T Bell Labs) περπατώντας στους δρόμους της Νέας Υόρκης χρησιμοποιώντας το Motorola DynaTAC.
1973-Dr. Martin Cooper of Motorola makes the first phone call to therival Joel Engel (AT & T Bell Labs) walking the streetsNew York City using the Motorola DynaTAC.
1973 - The Dr. Martin Cooper of Motorola made the first call to rival Joel Engel (AT & T Bell Labs) walking the streets of New York using the Motorola DynaTAC.
1973 - Dr. Martin Cooper of Motorola makes the first call to (competitor of Joel Engel(AT&T Bell Labs) walking the streets (New York using the Motorola DynaTAC.