Harness the power of DOCSIS 3.0 technology to bond up to 16 downstream channels and 4 upstream channels. The ARRIS SURFboard SB6183 enhances your personal media experience, at fast broadband speed.; Get speeds up to 686 Mbps download and 131 Mbps upload (speeds based on your Cable Internet service provider). Compatible with most U. S. cable providers.; Features DOCSIS 3.0 technology to bond up to 16 downstream channels and 4 upstream channels.; Supports IPv4 and IPv6 Internet standard.; Requires Cable Internet Service. If you are unsure of your service, please contact your CABLE provider to confirm.