gigabits IP Gateway is a head-end interface conversion device which is used for DVB and Ethernet. It is integrated with tuner demodulation and gateway function, which can demodulate the signal from 8 tuners into TS and packet the TS into IP package, then output the IP package through different IP address and ports. It supports TS over UDP protocol. Furthermore, it can simultaneously convert the signals from 8 channels ASI to TS over UDP and output it.