... :1.Pentium III CPU or better, 1GHz or higher frequency; 2.At least 256M memory; 3.windows xp, 2000 operating system or ... and other public places. 3.Supporting multiple protocols: Embedded operation system supports the TCP / IP, SMTP (simple mail protocol), HTTP, ... User Authority Management: By setting USER and PASSWORD of the system, user can protect the individual privacy easily,meanwhile, users ...