... (EPC G2),6B Antenna:8db circular Read/Write:0~8m Interface:RJ45 Product Name: 8dbi mid range UHF RFID Integrated reader ... range: 0-8mTag Protocol: ISO18000-6B,EPC CLASS1 G2 standards.Interface: supports multiple interfaces: RS232,RS485,Wiegand,RJ45,etc.Operation mode: FHSS ... with single +9V DC power supply.Effective distance up to protocols,antenna,RFID tags and work environment.235mm×235mm×57mm GW ...