With the vigorous development of public transport, IC cards have been used in the vast popularity of the passengers, as of recently, there has been a breakthrough in the public Gouka 14.3 million. The city's public buses every day, 12 million passengers travel credit card, Octagon credit card company's total daily volume average of more than 1 million passengers, at present, showed a continuing upward trend. As the growth of passenger flow, hand-held card reader can not meet the growing need of passenger flow one after another.