... : 125kHz -13.56kHz 2) Material: ABS, PVC 3) Shape: keychain, fob, token, wris key Fobs/Keychain Smart Tag:4) Chip: TK4100, EM4100 ... (T) 8) Applications: logistics automation, anti-counterfeiting, access control, industrialtransponder key Fobs/Keychain Smart Tag