Abstract: A wireless card including a wireless power receiving module configured to receive wireless power supply from a first wireless user equipment in a first time period, to obtain first power; a wireless communications module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period and use ultra-wideband impulse radio to perform wireless communication with the first wireless user equipment; a contact-type power supply module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period to supply power to an inserted memory card; a first contact-type communications module, electrically connected to the wireless power receiving module, in communication connection with the wireless communications module, and configured to use the first power in the first time period to perform contact-type communication with the memory card.

Abstract: The present invention provides a memory card including: a wireless power supply module, configured to obtain first power from a first wireless external device in a first time period; a contact-type power supply module, configured to obtain second power from a first contact-type external device in a second time period; a wireless communications module, configured to perform wireless communication with the first wireless external device by using ultra-wideband impulse radio in the first time period, to transmit a first read/write instruction; a contact-type communications module, configured to perform contact-type communication with the first contact-type external device in the second time period, to transmit a second read/write instruction; and a storage control module, configured to read or write data corresponding to the first read/write instruction in the first time period and read or write data corresponding to the second read/write instruction in the second time period.

Abstract: A wireless card including a wireless power receiving module configured to receive wireless power supply from a first wireless user equipment in a first time period, to obtain first power; a wireless communications module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period and use ultra-wideband impulse radio to perform wireless communication with the first wireless user equipment; a contact-type power supply module, electrically connected to the wireless power receiving module, and configured to use the first power in the first time period to supply power to an inserted memory card; a first contact-type communications module, electrically connected to the wireless power receiving module, in communication connection with the wireless communications module, and configured to use the first power in the first time period to perform contact-type communication with the memory card.