Mini card reader,Magnetic Card Reader,portable card reader, Bi-direction read capability. RS232 USB Keyboard TTL at optional. Model: SC-750Feature:Manual swipe type reader.Bi-direction read capability. ISO 7811 conformance.RS-232 interface, baud rate adjustable. USB port and TTL at optional.Operation responded by two LEDs and buzzer.Power supplied by PC keyboard.Small size. ( Dimension(L*D*H): 90*28*27 mm)DLL/OCX developing kit for Windows98/ME/NT/2000/XP.Sleeping mode (power saving).Cover: Plastic Specification Track 1Track 2Track 3Recording density210 BPI75 BPI210 BPICapacity79 characters(7 bit code)40 characters(5 bit code)107 characters(5 bit code)PowerPower supplied by the computer Power supplied by the cocomputer Card operation speed10 180 cm/sec 10 180 cm/sec Decoding methodF/2F F/2F Operation temperature-10 50°c -10 50°c Life time of headApprox. 300,000 passes Approx. 300,000 passes Baud rate2400 bps,9600 bps,19200 bps 2400 bps,9600 bps,19200 bps Card standardISO 7811 ISO 7811 Cable length120 cm 120 cm Dimension (L*D*H)90*28*27 mm Model Description SC-750-X-XX Type X-InterfaceXX-TracksSC-750Mini MSRR--RS232 Series port U--USB port K--Keyboard compatible T--TTL