... KHz RFID card b,39 * 19 * 9mm c,rs232,wiegand 26 interface d,we are factory in 1992 M6630 RFID Reader ... parameterProductM6630-W/ M6630-SSize39 * 19 * 9mmWork Temp0°C--+50°CInterfaceWeigand 26/ RS232ProtocolISO 11784/11785Card supportEM4100 ,compatible ID cardReading distance3-10cm(Depend ...