need UHF RFID Gate ReaderAntenna:7Dbi circular polarization antennaProtocol:UHF ISO-18000-6C (EPC G2),Reading Distance:1.5-5m (tag dependent)Frequency:902-928MHz/ 865-868MHzInterface:LAN,RS232,RS485,Wiegand26/34Wight:98kgDimension:157x44.5x13cmApplication:Access control/Meeting Attendance/Library/warehouse assets managementFrequency:860-960mhzProtocol:ISO 18000-6C Show More