The card reader system is also available without a keypad.
没有键盘读卡系统仍可使用。
Consumers will be able to pay for sandwiches, drinks and train tickets by placing their phones close to a reader similar to the Oyster card system on the London Underground.
届时，消费者们购买三明治、饮料和火车票时，只要将他们的手机靠近一个类似应用于伦敦地铁的“牡蛎卡”(Oyster card)系统的读取器，就可以付款。
Firstly, design of the whole system Project and the option of card, information stock and the design of card reader, the encryption and certification of card.
首先提出了校园一卡通系统的总体方案设计。提出了卡的选择，卡上信息的存储、读卡器的设计、卡的加密和认证。
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