When the electric characteristics of the antenna designed based on the test results were compared
with those of the commercially available RFID antenna as seen in Table 1, the size of the existing
antenna about 21cm2 while that of the antenna designed in this study was 13.4 cm2
, about half. This study found that the antenna gain was 5.69~9.59dBiaccording to the directions of the antenna, which is
similar to that of the existing antenna, though its size
is smaller