Reader based on rfid

The present invention is capable of short-range recognition to recognize the RFID tag in the RFID reader of the UHF band, and relates to an RFID-based reader that can minimize the recognition malfunction, a gate frame which is a predetermined distance away provided on both sides of the doorway and the It includes a are arranged in a parabolic shape to a gate frame controlling the array antenna, and operation of the array antenna for receiving a tag information transmitted from the RFID tag, RFID reader for converting the tag information received by the array antenna to a tag data do. Gate, RFID, antenna arrays, reflectors, parabolic