1.RFID key card, ABS ,125KHz or 13.56MHz 2.EM4100 compatible, or Mifare 1K S50 3.Six colors available key Fobs/Keychain Smart Tag: 1) Chip frequency: 125kHz -13.56kHz 2) Material: ABS, PVC 3) Shape: keychain, fob, token, wriskey Fobs/Keychain Smart Tag:4) Chip: EM4100,5) Custom logo or photo is available with printed 6) Color: yellow, blue ,Six colors available7) Application: parking, car, access ...