... , extensibility, portability features2.Support to upgrade the firewall3.Support TCP / IP, UDP, TELNET, FTP, HTTP and other network protocols ... by RS-232 mode)8.Highly integrated CDMA and TCP / IP technology, Internet and CDMA networks will be a ... 100MSupport for static, dynamic, port multiplexing NATStateful Inspection firewallCustomizable TCP / UDP / ICMP Flood attack detection strategy Number of ...