... CDMA 1X/EVDO/WCDMA, DNS, DDNS4. Built-in media server, supporting streaming media, smart phone, interphone and one-way ... NetworkInterface1pcRJ45, 10/100M adaptation, 1outlay USB, support WIFI, 3GProtocolTCP/IP, UDP/IP, multicast, HTTP, ICMP, FTP, EMAIL, TELNETIE AppInline Web ... alarm1 input port, 1 output portVideo lost alarmAlarm on video lostCommunicationRS422/RS4851pc, fro PTZ control or serial port ...