The apparatus for communicating with a RFID tag includes: a signal processing circuit and a radio frequency circuit transmission unit configured to create RFID tag information which is to be written to an IC circuit part of each RFID circuit element To that transmits/receives information, the RFID circuit element To includes the IC circuit part configured to updatably store information and a tag antenna connected to said IC circuit part; and a device antenna configured to transmit RFID tag information to the tag antenna by radio communication and write the RFID tag information to the IC circuit part, disposed so as to provide at least a area X where communication can be made near the feeding-out portion of a first roll formed by a base tape including a plurality of RFID circuit elements To.