| CPC H04M 1/72412 (2021.01) [H04B 1/59 (2013.01); H04W 4/80 (2018.02)] | 23 Claims |

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1. A transponder tag comprising a receiving unit for receiving a wireless input signal from a mobile telephone, wherein the transponder tag is configured to obtain energy from the received wireless input signal and to use said energy for providing a wireless short-range connection from the transponder tag to said mobile telephone,
wherein the wireless short-range connection is based on RFID technology and the transponder tag is configured to provide the wireless short-range connection by backscattering at least a part of a RF radiation from said mobile telephone and to modulate the backscattered signal according to a tag information of the transponder tag.
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