5G, big data boosts smart transportation in Jiangsu
(chinadaily.com.cn) Updated: 2020-01-10 17:07
A man passes through a metro gate using an NFC-enabled phone at Caochangmen in Nanjing, capital of eastern Jiangsu province on Dec 17. NFC -- or near-field communications -- technology allows two devices placed centimeters apart to exchange data. Using a phone equipped with an NFC chip, passengers can get into Nanjing metro stations by holding their phone to the gate, which automatically swings open with a response time of a mere 0.3 seconds. [Photo by Xiao Da/chinadaily.com.cn]
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