... 3.RS232, RS485, Wiegand ,RJ45 RFID Reader&WriterRFID Reader&Writer Character1.Passive RFID UHF Reader 2.UHF Reader with built-in antenna, 0~60cm ... detection:Using the internal write protection features of tag to identify the truth from falsehoodd,Other application: ... card is less than 10ms per 64 bitsRead distance0-60cm (tag and environment dependent) Data InterfaceRS232 , RS485 , TCP/IP ...