encenall opcional: HF: FM11RF08, NXP Mifare series; UHF: H3 d'alien, Impinj M4, etc.. HF antenna copper foil thickness 35um UHF antenna copper foil thickness 18um Minimum line spacing/line width: 0.1mm/0.1mm Insulating base material: PI/PET Minimum antenna size: HF: 10× 17 mm,UHF: diameter < 9mm