The Motorola MB7621 is a high-speed DOCSIS 3.0 cable modem designed for use with Cox and Xfinity cable services. With a maximum downstream data rate of 1000Mbps and a maximum LAN data rate of 1000 Mbps, this modem offers fast and reliable connectivity for your home or office network. The sleek black design, compact product dimensions, and lightweight construction make it easy to set up and use. Featuring Ethernet ports for wired connections and compatibility with cellular network technology, this modem provides a versatile and efficient solution for your networking needs.