Method for manufacturing a tag for RFID tracking of a fabric, the tag comprising: - a radio module, with an ultra high transmission frequency; - a radio-frequency identification integrated circuit (RFID IC) connected to the UHF radio module; - an antenna; and - a substrate supporting the UHF radio module, the RFID integrated circuit and the antenna; the method comprising the steps of: - mounting the UHF radio module and the RFID integrated circuit on the substrate, these being already electrically connected together by means of metal tracks; - mounting the antenna on the substrate, around the UHF radio module and the RFID integrated circuit. the method comprising: - applying a protective coating onto the UHF radio module and onto the RFID integrated circuit, said step of applying the protective coating comprising: - coating the metal tracks for electrical connection between the RFID integrated circuit and the UHF module, so as to protect the electric interconnection between the RFID integrated circuit and the UHF radio module and further comprising: - fixing the radio module and the RFID integrated circuit to the substrate by coating a surface portion of the substrate situated around the UHF radio module and the RFID integrated circuit, so as to protect the structural interconnection between the UHF radio module and the substrate and keep the UHF radio module and the RFID integrated circuit in a fixed position on the substrate, before fixing the radio module and the RFID integrated circuit to the substrate, the metal tracks connecting the radio module and the RFID integrated circuit are externally exposed and the radio module and the RFID integrated circuit are not incorporated by a protective material, the radio module and the RFID integrated circuit being also not incorporated in an inlay and being not structurally associated with the antenna before fixing the radio module and the RFID integrated circuit, wherein coating the metal tracks and fixing the radio module and the RFID integrated circuit to the substrate are made in the same step by means of a resin or glue used as said protective coating. - a radio module, with an ultra high transmission frequency; - a radio-frequency identification integrated circuit (RFID IC) connected to the UHF radio module; - an antenna; and - a substrate supporting the UHF radio module, the RFID integrated circuit and the antenna; - mounting the UHF radio module and the RFID integrated circuit on the substrate, these being already electrically connected together by means of metal tracks; - mounting the antenna on the substrate, around the UHF radio module and the RFID integrated circuit. - applying a protective coating onto the UHF radio module and onto the RFID integrated circuit, said step of applying the protective coating comprising: - coating the metal tracks for electrical connection between the RFID integrated circuit and the UHF module, so as to protect the electric interconnection between the RFID integrated circuit and the UHF radio module and further comprising: - fixing the radio module and the RFID integrated circuit to the substrate by coating a surface portion of the substrate situated around the UHF radio module and the RFID integrated circuit, so as to protect the structural interconnection between the UHF radio module and the substrate and keep the UHF radio module and the RFID integrated circuit in a fixed position on the substrate, before fixing the radio module and the RFID integrated circuit to the substrate, the metal tracks connecting the radio module and the RFID integrated circuit are externally exposed and the radio module and the RFID integrated circuit are not incorporated by a protective material, the radio module and the RFID integrated circuit being also not incorporated in an inlay and being not structurally associated with the antenna before fixing the radio module and the RFID integrated circuit, wherein coating the metal tracks and fixing the radio module and the RFID integrated circuit to the substrate are made in the same step by means of a resin or glue used as said protective coating.