Dimensions:230 mm x 160 mm x 28mm stype:Fixed RFID uhf 4 channel reader Read range:3-35meters Frequency:860Mhz-960Mhz chip:INDY Impinj R2000 Peak inventory speed:> 500 tags sec Tag Buffer Size:800 tags ****96 bit EPC Power Consumption:< 6W ****30dBm RF output Antenna connector:4 port with 12dbi 9dbi antenna Interface:RS232 TCP IP RJ45 Ethernet