Main technical parameters Standard: ISO 18000-6C(EPC Class1 Gen2) Pafupipafupi: 860~960MHz Chip: Alien H3 or specified Data Set: Read and Write 100000 Times Material: Polyimide Substrate Size: Customizable Packaging Details Inside diameter of paper core: 76.2mm(3inch); Each roll quantity: 500~1000pcs(In accordance with the actual demand); Roll direction: The surface or printing facing out (on); Packing material: Antistatic pearl cotton+Bubble pad+Antistatic bag+Outside.