card open door access controller,attendance ER-988 Access controlProduct profileER-988 series products have ER-988C, ER-988CT, ER-988D ... book. In addition to inherit the Eastriver ER - 981 series access machine excellent abilities, but also increased the attendance ... rate:4800bps/9600bps/19200bps/38400bps(485 series)4,Radio frequencyER-988D series is125KHz;ER-988C series is 13.56MHz5,SAM card slot ...