The Radiotech RTCD70B.00 is DOCSIS/EuroDOCSIS3.0 complaint Cable modem.It delivers high-speed data transmission through coaxial cable, bonding up to 8 downstream channels with speeds up to 400 Mbps from network to the user and 4 upstream channels with up to 120Mbps from the user to the network. Discrete narrow band tuners provide frequency agility. There is no limitation on the bonding channel frequency.Complied with the latest DOCSIS 3.0 specifications, the RTCD70B.00 offers backward compatibility with DOCSIS 1.1/2.0. It allows MSOs to offer their end-customers various broadband applications such as high-speed Internet access, HD video on demand over IP, interactive multimedia services and etc.