| 摘要 |
A radio frequency identification (RFID) transponder (FIGS. 4 and 5A) is disclosed. The transponder includes first (RF) and second (GND) terminals. A first resonant circuit (500, 504, 508) is connected between the first and second terminals. A second resonant circuit (502, 504, 508) has a second resonant frequency different from the first resonant frequency and is connected between the first and second terminals.
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