The Motorola SB5101 SURFboard Cable Modem is a black, wired Ethernet modem that supports DOCSIS 1.1 & 2.0 standards. It has a maximum downstream data rate of 38 Mbps and a maximum LAN data rate of 100 Mbps. This cable modem, with one LAN port, is designed for home networking and connectivity needs. The compact size of 5 x 4 x 2 inches makes it easy to install and use. The Motorola brand ensures reliability and quality in providing high-speed internet access for your devices.