working frequency ( ad libitum ): low frequency 125KHz ( high frequency 13.56MHz optional ) Card Support: TK4100, EM4100, EM4001, EM4102 ( IC type support Mifare standard S50, S70 card ) interface: USB Reading distance:> 60mm Read Time: <100ms Power supply: USB to take power Operating system: Fenestra XP, Windows CE, Fenestra 7, Win 10, Linux, Windows Vista, Android Indicating light: …