Product:New cheap UHF RFp reader writer Model:RF-8210 Type:USB UHF RFp reader writer Reader Frequency:902~928MHz Reader Standard:ISO18000 -6B ISO18000 -6C EPC Class1G2 Interface:Two USB ports Transmit Power:0dbm~17dbm Reader size:142*85*20mm Antenna:Built -in, 3DBi Working Temp:-20 ~ +60 Celsius degree