... RS232, RS485, TCP /IP Time Clock with Proximity Reader M880 Introduction: M880 is a multimedia proximity time attendance ... proximity card identificationLong distance card readStandard 125kHz Proximity Card Reader, optional HID, Mifare and iClass ReaderBuilt-in Serial ... FunctionsWorkcode, SMS, DLST, Scheduled-bell, Self-Service Query, Automatic Status Switch, T9 input, photo-ID, Camera, Web-serverAccess ...