DPC2100 DOCSIS 2.0 Cable Modem 10/100 Mbps Ethernet port to connect with router or computer Specially designed architecture-allows for future upgrades Requires Cable Internet Service. Compatible with major U.S. Cable Providers. Contact your ISP to verify compatibility. Capable of up to 43Mbps down and 10Mbps upstream Internet speeds Front-panel LEDs indicate status and simplify troubleshooting