... ,000 Communication:RS232, RS485, TCP /IP Time Clock with Proximity Reader M880 Introduction: M880 is a ... ease of useHigh-efficiency proximity card identificationLong distance card readStandard 125kHz Proximity Card Reader, optional HID, ... PlatformZEM510Operating SystemLinuxCommunicationsRS232485, TCP/IP, USB-HostCard SupportID Card(Standard), Optional HID/Mifare/ iClass CardStandard FunctionsWorkcode, ...