... ,TCP/IP,ICMP, RTSP, RTP, UDP, RTCP, SMTP, FTP, DHCP, DNS,DDNSprotocolsWith PPPOE function, supports dynamic domain name resolutionWith RS485/RS232 ... ,TCP/IP,ICMP.RTSP,RTP,UDP,RTCP,SMTP,FTP,DHCP,DNS,DDNS,PPPOEAccessMax.10 Users Access SimultaneouslyLocal Storage32GB Micro SD Card ...