Arris SURFboard 575319-029-RB referbished modem delivers your complete personal media experience, at lightning-fast broadband speed. It harnesses the power of DOCSIS 3.0 technology to bond up to four downstream channels and four upstream channels — providing you advanced multimedia services with data rates of more than 100Mbps in each direction. includes an enhanced tuner that supports up to a 1GHz downstream input, which allows operators to increase the frequency spectrum for deployment of new high-value services — such as bandwidth on-demand, commercial services, interactive gaming and IPTV.