... and popular technology in the RFID SMART world. The base material are PVC/PET/ABS, aluminium/cooper antenna, Plus different chips, ... on somewhere, being like a strap, but with the latest RFID technology.Smart, Easier, Fashion, and make your life easier.. ... Epoxy cards Tags: TypeContactless Read/WriteOperating Frequency:13.56 MHz. (HF-High Frequency). 125KHZ(low frequency)Capacity:512bit, 1024bit, or ...