Wi-Fi Wireless Data transfer Device based on Wi-Fi and operating method thereof

摘要

The present invention relates to a wireless data transmission apparatus and an operating method thereof. The wireless data transmission device of the present invention may include an energy harvesting unit that obtains power through a Wi-Fi packet, a communication unit electrically connected to the energy harvesting unit, and a sensor unit electrically connected to the communication unit and changing a physical state according to an external environment. can The communication unit may be set to generate and output a reflected wave corresponding to the Wi-Fi packet according to a change in the physical state of the sensor unit.