The Motorola MB7621 Cable Modem is a high-speed modem that supports a maximum downstream data rate of 1000Mbps and a maximum LAN data rate of 1000 Mbps. It is designed for cable connectivity and features a single Ethernet port for connecting to your router or computer. The modem is unlocked and compatible with the Infinity carrier, making it a versatile option for various cable internet connections. With its sleek black design and reliable performance, the Motorola MB7621 is a great choice for households looking to upgrade their internet connection.