Feature - Operating Frequency: HF 13.56MHz - Standard: ISO15693 serial - Dimension:86mmx54mm or customized - Thickness: 0.84 mm - Substract Material Transponder: PET + AL antenna - Antenna: AL Etching with thickness 0.03mm , Copper coil Altrasonic Embeding; - Read range : 0mm - 40mm, depand on the reader and tag antenna size.