Building upon the success of the SB6121 and SB6141, Arris / Motorola's SURFboard SB6183 enhances your personal media experience, at lightning-fast broadband speed. It harnesses the power of DOCSIS 3.0 technology to bond up to sixteen downstream channels and four upstream channels--providing you advanced multimedia services with data rates up to 686 Mbps download and 131 Mbps upload depending on your Cable Internet provider service. That makes streaming HD Video, gaming, shopping, downloading, working, high-quality voice and video conferencing, and peer-to-peer networking applications far more realistic, faster, and efficient than ever before. Must have cable internet, does not include RJ-11/phone capabilities. 90-day warranty.