10.1'',800 x 480flash :128MB RAM : 128MB 32 bits RISC Cortex-A8 600MHzUSB Host: USB 2.0X1Ethernet: 1 RJ485 port(10/100 Base-T )COM1:RS-232 COM2:RS-485 2W/4W COM3:RS-485 2WW x H x D: 271 x 213 x 40mm Net weight: 1.30kg