RFID tag antenna, the RFID tag antenna sheet and method of manufacturing an RFID tag

Radio frequency identification tag antenna, comprising: a film base having a rectangular shape and with Padanschlussflachen for mounting a chip; marked by a first antenna pattern and a second antenna pattern for transmission and reception, wherein the first antenna pattern extends along a longitudinal side of the film base and the second antenna pattern extends to the film base parallel to the first antenna pattern; and a cut line formed on the film base between the first antenna pattern and second antenna pattern along the first antenna pattern and second antenna pattern from an inner side near the Padanschlussflache to an outer edge of the film base; in which the second antenna pattern comprises a folding section and then, when the second antenna pattern is folded or bent at the folding portion, the second antenna pattern comprises a section extending from the rectangular shape along a predetermined direction.