On the 50th anniversary of the birth of mobile phones, Lenovo China Chen Jin unveiled the world's first commercial portable phone, DynaTAC 8000X.

CTOnews.com September 21 news, According to Lenovo China mobile phone business department general manager Chen Jin "Magic Jin brother" micro bo post, Today is the 50th anniversary of the birth of the mobile phone, He also published on September 21,1973 Motorola research and development of the world's first commercial portable mobile phone DynaTAC 8000X, And said "Our team this year and mobile phone inventor Martin Cooper old Mr. contact."

▲ According to CTOnews.com, Motorola employee Martin Cooper made a phone call with Motorola DynaTAC 8000X in New York on April 3, 1973, which is widely regarded as the first commercial portable mobile phone.

Wikipedia description of DynaTAC 8000X Martin Cooper was standing on the street in New York and calling AT&T, which was also developing mobile phone technology, the world's largest communications company at the time, while Motorola was a small company in Chicago.

"I'm calling you on a real handheld mobile phone," Martin Cooper said on the phone. "

However, at that time, limited by the obstacles of technology, commercialization and other processes, this mobile phone has not been listed for a long time, among which the biggest resistance is the construction of base stations.

It wasn't until September 21, 1973 that Motorola DynaTAC 8000X officially went on sale, selling for £ 3000 in the UK (CTOnews.com notes: currently about 27060 yuan). The phone weighed up to 1 kg, took 10 hours to fully charge, but could only talk for up to half an hour.