Abstract: The invention relates to a method for carrying out a stocktake on a stock of objects, the objects being distributedly located in a multiplicity of spaces, the spaces being physically separated from each other, and each of the objects being provided with a tag which is configured for generating a wireless identification signal associated with the tag. Further, the invention relates to a system, a reader device, a computer program product, and a server.

Abstract: An inventory system is provided herein, comprising a first inventory system unit and a second inventory system unit. The first inventory system unit comprises at least a configuration transmitter to generate a configuration field inside a first field zone to configure one or more UHF RFID tags within said first field zone into a configured state deviating from a default state. The second inventory system unit therein comprises at least an interrogation transceiver to generate an interrogation field inside a second field zone that is at least partly outside said first field zone to subsequently interrogate a set of one or more UHF RFID tags that are within said second field zone and that are in the configured state as a result of being configured by the configuration transmitter.