UHF Fixed Reader 1.External 110 - 240 VAC auto-ranging RFID 2. ... -6884 is a four-channel EPC CLASS1 GEN2 UHF RFID fixed reader. The reader used the Yetong Company’s proprietary technology ... T Ethernet (RJ45 connectors), can be configured to use a fixed IP address or DHCP, RS232 interface, RS485 interface, wiegand26 interface ...