| 摘要 |
The invention relates to a measurement card (100) for capturing a measured value for an electromagnetic field, having a measurement card body (101); an antenna arrangement (103), integrated with the measurement card body (101), for receiving the electromagnetic field; a processor (105), arranged on the measurement card body (101), for determining a measured value for the received electromagnetic field, wherein the processor (105) is designed to produce a transmission signal with the measured value in accordance with a wireless transmission technology; a wireless communication interface (107), arranged on the measurement card body (101), for transmitting the transmission signal via a telecommunications network in accordance with the wireless transmission technology; and a rectifier circuit (109) that is connected downstream of the reception antenna and is designed to generate electric power from the received electromagnetic field, and to supply the processor (105) with the generated electric power for the purpose of determining the measured value and for the purpose of producing the transmission signal and to supply the wireless communication interface (107) with the generated electric power for the purpose of transmitting the transmission signal. |
