... 3) Chip: TK4100, EM4100,Mifare 1K 4) OEM is welcome RFID wristbandFrequency: 125KHzMaterial: SiliconeRead Range: 8~10cmDimension(customized): 17×230mm; thickness ... printed, debossed, embossed. Customer's logo and design is welcome! RFID wristband