| 摘要 |
PURPOSE: A card is provided to improve a transceivng ability of a wireless module by mounting an antenna to a card including a card a smart card chip and a wireless module. CONSTITUTION: A card comprises a smart card chip(120), a wireless module, and an antenna(110). The wireless module performs a wireless communication with an external side by being connected to an antenna through a contact point. The antenna is formed on a substrate of a front side and a back side for improving a transmission efficiency of a wireless data. The antenna is connected through a via hole(112). An amplifier circuit(111) is included in one side of the antenna. |
