... powered industrial 32-bits CPU and embedded real time operating system. It supports RS232 (or RS485/RS422) and Ethernet port ... and data. Support link disconnection when timeoutSupport APN/VPDNSupport wireless video monitoring and dynamic picture transferSupport DHCP server and client, DDNS ... , NAT, DMZ host etc.Support multi protocols, such as TCP/IP, UDP, ICMP, SMTP, HTTP, POP3, OICQ, TELNET, FTP, ...