SW-R-501 is the smallest-size model in the universal proximity card reader series SW-R-x01.It is offered as a normal RFID reader designed for indoor use only in a black-coloured ABSplastic casing with dull finish, and PIN-code versions are not available. It allows for a widerange of 13.56 MHz card technologies, not supporting identification implements with anoperating frequency of 125 kHz at present. Interface formats available include standardAbaTrack2, Wiegand, TTL serial, and CAN bus.
