RFID card access control&time attendance 1.GPRS,ADSL,TCP/IP,U-Disk,RS232/485,Wiegand26 2.French, ... communication modes: ADSL, TCP/IP, U-Disk, RS232/485, optional GPRS·Large-screen color LCD display, 3.5 inches TFT.·High ... secondCommunicationRS232/ RS485, TCP/IP, U-Disk, Weigand 26, ADSL and GPRS (optional)Card ReaderMifare one or Proximity CardDistance2. 5-10 cm ...