PARAMETER > Support ISO18000-6C(EPC C1G2) , ISO18000-6B protocol; > Operating frequency: FCC ISM 902~928MHz or ETSI 865.6~867.6MHz; > FHSS or Fix Frequency transmission; > Gain antenna : circular polarization; > Read Distance : 8dBi antenna configuration, 0-6M; > Operating voltage : DC+9 ~ +12V; > Size : H235mm × W235mm × T57mm; > Weight : 2.3kg.