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Getting Around the Technical Issues with Battery-assisted UHF RFID Tags

Tue, 03/11/2008 - 12:19pm
Simon Müller, EM Microelectronic Marin SA

One way to overcome the read sensitivity limitation of passive tags is to add a battery to supply the IC. The RF signal is now only used to carry the information not to supply the IC. Of particular interest are the so-called battery-assisted passive (BAP) tags, also known as semi-passive tags.

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