An antenna arrangement comprises at least two antenna loops disposed and overlapping in a plane to define a detection region adjacent thereto in which the antenna loops transmit and/or receive electromagnetic signals and through which a wireless article may pass. The antenna arrangement may be coupled to a processor and/or utilization system for performing a desired function.

 
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< Identification system interrogator

< Location device

> Access control system with limited evaluation of code and distance information

> RFID tag having combined battery and passive power source

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