When we choose a 2d QR barcode scanner for transportation like metro and bus station, usually we would consider: – Ensure passengers can scan their barcode and go through quickly, especially when the flow of people is large, and avoid long queues. For this: The scanning speed must be fast enough. when users show their bar […]

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Presently, more and more access control system begins to combine bar code reading and NFC reading together, while traditionally, the Wiegand interface is widely used for the access control system. But at the same time, wireless or Ethernet data transfer becomes a trend and would be more and more popular for access control data transfer, […]

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