External device of mobile terminal
A technology of mobile terminal and external device, applied in the field of wireless communication, can solve the problems of high replacement cost and lack of NFC-SWP function, and achieve the effect of reducing application cost
Inactive Publication Date: 2015-09-16
陈业军
6 Cites 8 Cited by
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The invention provides an external device of a mobile terminal. The external device is used for solving the problems that most of current mobile terminals do not have an NFC-SWP function and are high in replacement cost. The external device of the mobile terminal comprises an SIM card tray, an NFC chip and an NFC antenna, wherein the SIM card tray can bear an SIM card of the mobile terminal and can be inserted into an SIM card position of the mobile terminal; the SIM card tray leads a pin C1, a pin C5 and a pin C6 of the SIM card of the mobile terminal to the outer wall of the SIM card tray, and forms three internal contacts correspondingly; the pin C1, the pin C5 and the pin C6 are connected with the NFC chip through the corresponding internal contacts; and the NFC antenna is connected with the NFC chip. The external device provided by the invention can enable a mobile terminal without an NFC function to have the NFC-SWP function at an extremely low cost. The external device provided by the invention reduces the application cost for users and is more conducive to popularization of NFC near field payment for the operators.
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