... windows ce 5.0 OS 2.800x480,4 wire touch,16:9 3.2xRS232,1xRS485,1xRJ45 4.128MDDR2 RAM,2G Flash ... Rom 5.CE,FCC RS232,RS485,Lan Port 7 inch tablet pc with windows ce All hardware & software ... 2.0( can be updated to 3.5) Ethernet 10/100M Ethernet supports USB Port USB1.1 x3 I/F (active sync) RS232 ...