Apparatus for reading RFID tag

This disclosure discloses an apparatus for reading with a radio frequency identification (RFID) tag comprising: a plurality of information creation devices, capable of generating a plurality of types of command signals for making an access to an RFID tag circuit element having an IC circuit part storing information and a tag antenna that transmits and receives information; a plurality of apparatus antennas connected to the plurality of information creation devices, respectively, and configured to transmit the plurality of types of command signals to the RFID tag circuit element via radio communication substantially at the same timing; and a single information processing device configured to obtain reading information by means of receiving processing of a response signal transmitted from the RFID tag circuit element according to the command signal transmitted from the apparatus antenna and received by the apparatus antenna.